Ubuntu update for linux



Published: 2024-07-04
Risk Medium
Patch available YES
Number of vulnerabilities 13
CVE-ID CVE-2021-33631
CVE-2023-6270
CVE-2022-0001
CVE-2024-2201
CVE-2024-23307
CVE-2024-24861
CVE-2024-26642
CVE-2024-26922
CVE-2024-26720
CVE-2024-26736
CVE-2024-26898
CVE-2021-47063
CVE-2023-52615
CWE-ID CWE-190
CWE-416
CWE-200
CWE-1037
CWE-362
CWE-284
CWE-20
CWE-369
CWE-119
CWE-667
Exploitation vector Local network
Public exploit N/A
Vulnerable software
Subscribe 		Ubuntu
Operating systems & Components / Operating system

linux-image-4.15.0-226-lowlatency (Ubuntu package)
Operating systems & Components / Operating system package or component

linux-image-4.15.0-226-generic (Ubuntu package)
Operating systems & Components / Operating system package or component

linux-image-4.15.0-1169-aws (Ubuntu package)
Operating systems & Components / Operating system package or component

linux-image-4.15.0-1163-gcp (Ubuntu package)
Operating systems & Components / Operating system package or component

linux-image-4.15.0-1153-kvm (Ubuntu package)
Operating systems & Components / Operating system package or component

linux-image-4.15.0-1132-oracle (Ubuntu package)
Operating systems & Components / Operating system package or component

linux-image-oracle-lts-18.04 (Ubuntu package)
Operating systems & Components / Operating system package or component

linux-image-gcp-lts-18.04 (Ubuntu package)
Operating systems & Components / Operating system package or component

linux-image-aws-lts-18.04 (Ubuntu package)
Operating systems & Components / Operating system package or component

linux-image-lowlatency (Ubuntu package)
Operating systems & Components / Operating system package or component

linux-image-kvm (Ubuntu package)
Operating systems & Components / Operating system package or component

linux-image-generic (Ubuntu package)
Operating systems & Components / Operating system package or component

linux-image-virtual (Ubuntu package)
Operating systems & Components / Operating system package or component

linux-image-gcp (Ubuntu package)
Operating systems & Components / Operating system package or component

linux-image-gke (Ubuntu package)
Operating systems & Components / Operating system package or component

linux-image-aws-hwe (Ubuntu package)
Operating systems & Components / Operating system package or component

linux-image-generic-hwe-16.04 (Ubuntu package)
Operating systems & Components / Operating system package or component

linux-image-lowlatency-hwe-16.04 (Ubuntu package)
Operating systems & Components / Operating system package or component

linux-image-oem (Ubuntu package)
Operating systems & Components / Operating system package or component

linux-image-virtual-hwe-16.04 (Ubuntu package)
Operating systems & Components / Operating system package or component

linux-image-oracle (Ubuntu package)
Operating systems & Components / Operating system package or component

Vendor Canonical Ltd.

Security Bulletin

This security bulletin contains information about 13 vulnerabilities.

1) Integer overflow

EUVDB-ID: #VU86575

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-33631

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to integer overflow when mounting a malicious filesystem. A local user can mount a specially crafted filesystem, trigger an integer overflow and execute arbitrary code.

Mitigation

Update the affected package linux to the latest version.

Vulnerable software versions

Ubuntu: 16.04 - 18.04

linux-image-4.15.0-226-lowlatency (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-226-generic (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1169-aws (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1163-gcp (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1153-kvm (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1132-oracle (Ubuntu package): before Ubuntu Pro

linux-image-oracle-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-gcp-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-aws-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-lowlatency (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-kvm (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-generic (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-virtual (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-gcp (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-gke (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-aws-hwe (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-generic-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-lowlatency-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-oem (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-virtual-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-oracle (Ubuntu package): before Ubuntu Pro (Infra-only)

External links

http://ubuntu.com/security/notices/USN-6866-1


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Use-after-free

EUVDB-ID: #VU91599

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-6270

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the aoecmd_cfg_pkts() function in the ATA over Ethernet (AoE) driver. A local user can trigger a use-after-free error and escalate privileges on the system.

Mitigation

Update the affected package linux to the latest version.

Vulnerable software versions

Ubuntu: 16.04 - 18.04

linux-image-4.15.0-226-lowlatency (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-226-generic (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1169-aws (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1163-gcp (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1153-kvm (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1132-oracle (Ubuntu package): before Ubuntu Pro

linux-image-oracle-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-gcp-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-aws-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-lowlatency (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-kvm (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-generic (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-virtual (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-gcp (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-gke (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-aws-hwe (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-generic-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-lowlatency-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-oem (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-virtual-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-oracle (Ubuntu package): before Ubuntu Pro (Infra-only)

External links

http://ubuntu.com/security/notices/USN-6866-1


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Information disclosure

EUVDB-ID: #VU61198

Risk: Low

CVSSv3.1: 4.1 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-0001

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to non-transparent sharing of branch predictor selectors between contexts. A local user can gain unauthorized access to sensitive information on the system.

Mitigation

Update the affected package linux to the latest version.

Vulnerable software versions

Ubuntu: 16.04 - 18.04

linux-image-4.15.0-226-lowlatency (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-226-generic (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1169-aws (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1163-gcp (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1153-kvm (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1132-oracle (Ubuntu package): before Ubuntu Pro

linux-image-oracle-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-gcp-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-aws-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-lowlatency (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-kvm (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-generic (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-virtual (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-gcp (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-gke (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-aws-hwe (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-generic-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-lowlatency-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-oem (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-virtual-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-oracle (Ubuntu package): before Ubuntu Pro (Infra-only)

External links

http://ubuntu.com/security/notices/USN-6866-1


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

4) Processor optimization removal or modification of security-critical code

EUVDB-ID: #VU88374

Risk: Medium

CVSSv3.1: 7.8 [CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-2201

CWE-ID: CWE-1037 - Processor optimization removal or modification of security-critical code

Exploit availability: No

Description

The vulnerability allows a malicious guest to escalate privileges on the system.

The vulnerability exists due to native branch history injection on x86 systems. A malicious guest can infer the contents of arbitrary host memory, including memory assigned to other guests and compromise the affected system.

Mitigation

Update the affected package linux to the latest version.

Vulnerable software versions

Ubuntu: 16.04 - 18.04

linux-image-4.15.0-226-lowlatency (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-226-generic (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1169-aws (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1163-gcp (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1153-kvm (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1132-oracle (Ubuntu package): before Ubuntu Pro

linux-image-oracle-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-gcp-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-aws-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-lowlatency (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-kvm (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-generic (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-virtual (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-gcp (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-gke (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-aws-hwe (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-generic-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-lowlatency-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-oem (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-virtual-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-oracle (Ubuntu package): before Ubuntu Pro (Infra-only)

External links

http://ubuntu.com/security/notices/USN-6866-1


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

5) Integer overflow

EUVDB-ID: #VU88102

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-23307

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to integer overflow in raid5_cache_count() function. A local user can trigger an integer overflow and execute arbitrary code with elevated privileges.

Mitigation

Update the affected package linux to the latest version.

Vulnerable software versions

Ubuntu: 16.04 - 18.04

linux-image-4.15.0-226-lowlatency (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-226-generic (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1169-aws (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1163-gcp (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1153-kvm (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1132-oracle (Ubuntu package): before Ubuntu Pro

linux-image-oracle-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-gcp-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-aws-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-lowlatency (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-kvm (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-generic (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-virtual (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-gcp (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-gke (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-aws-hwe (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-generic-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-lowlatency-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-oem (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-virtual-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-oracle (Ubuntu package): before Ubuntu Pro (Infra-only)

External links

http://ubuntu.com/security/notices/USN-6866-1


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

6) Race condition

EUVDB-ID: #VU91634

Risk: Low

CVSSv3.1: 5.7 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-24861

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a race condition within the xc4000 xc4000_get_frequency() function in the media/xc4000 device driver. A local user can exploit the race and escalate privileges on the system.

Mitigation

Update the affected package linux to the latest version.

Vulnerable software versions

Ubuntu: 16.04 - 18.04

linux-image-4.15.0-226-lowlatency (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-226-generic (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1169-aws (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1163-gcp (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1153-kvm (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1132-oracle (Ubuntu package): before Ubuntu Pro

linux-image-oracle-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-gcp-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-aws-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-lowlatency (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-kvm (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-generic (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-virtual (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-gcp (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-gke (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-aws-hwe (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-generic-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-lowlatency-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-oem (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-virtual-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-oracle (Ubuntu package): before Ubuntu Pro (Infra-only)

External links

http://ubuntu.com/security/notices/USN-6866-1


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

7) Improper access control

EUVDB-ID: #VU88150

Risk: Low

CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-26642

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper access restrictions within the nf_tables_newset() function in net/netfilter/nf_tables_api.c. A local user can set arbitrary timeouts, which can result in a denial of service condition.

Mitigation

Update the affected package linux to the latest version.

Vulnerable software versions

Ubuntu: 16.04 - 18.04

linux-image-4.15.0-226-lowlatency (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-226-generic (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1169-aws (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1163-gcp (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1153-kvm (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1132-oracle (Ubuntu package): before Ubuntu Pro

linux-image-oracle-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-gcp-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-aws-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-lowlatency (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-kvm (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-generic (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-virtual (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-gcp (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-gke (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-aws-hwe (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-generic-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-lowlatency-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-oem (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-virtual-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-oracle (Ubuntu package): before Ubuntu Pro (Infra-only)

External links

http://ubuntu.com/security/notices/USN-6866-1


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

8) Input validation error

EUVDB-ID: #VU89054

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-26922

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input within the amdgpu_vm_bo_insert_map(), amdgpu_vm_bo_map(), amdgpu_vm_bo_replace_map(), and amdgpu_vm_bo_clear_mappings() functions in drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c. A local user can pass specially crafted input to the driver and perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux to the latest version.

Vulnerable software versions

Ubuntu: 16.04 - 18.04

linux-image-4.15.0-226-lowlatency (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-226-generic (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1169-aws (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1163-gcp (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1153-kvm (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1132-oracle (Ubuntu package): before Ubuntu Pro

linux-image-oracle-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-gcp-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-aws-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-lowlatency (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-kvm (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-generic (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-virtual (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-gcp (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-gke (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-aws-hwe (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-generic-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-lowlatency-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-oem (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-virtual-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-oracle (Ubuntu package): before Ubuntu Pro (Infra-only)

External links

http://ubuntu.com/security/notices/USN-6866-1


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

9) Division by zero

EUVDB-ID: #VU91379

Risk: Low

CVSSv3.1: 4.8 [AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-26720

CWE-ID: CWE-369 - Divide By Zero

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a division by zero error within the wb_dirty_limits() function in mm/page-writeback.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux to the latest version.

Vulnerable software versions

Ubuntu: 16.04 - 18.04

linux-image-4.15.0-226-lowlatency (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-226-generic (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1169-aws (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1163-gcp (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1153-kvm (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1132-oracle (Ubuntu package): before Ubuntu Pro

linux-image-oracle-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-gcp-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-aws-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-lowlatency (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-kvm (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-generic (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-virtual (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-gcp (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-gke (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-aws-hwe (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-generic-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-lowlatency-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-oem (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-virtual-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-oracle (Ubuntu package): before Ubuntu Pro (Infra-only)

External links

http://ubuntu.com/security/notices/USN-6866-1


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

10) Buffer overflow

EUVDB-ID: #VU92007

Risk: Low

CVSSv3.1: 7.7 [AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-26736

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to memory corruption within the afs_update_volume_status() function in fs/afs/volume.c. A local user can escalate privileges on the system.

Mitigation

Update the affected package linux to the latest version.

Vulnerable software versions

Ubuntu: 16.04 - 18.04

linux-image-4.15.0-226-lowlatency (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-226-generic (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1169-aws (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1163-gcp (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1153-kvm (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1132-oracle (Ubuntu package): before Ubuntu Pro

linux-image-oracle-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-gcp-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-aws-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-lowlatency (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-kvm (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-generic (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-virtual (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-gcp (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-gke (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-aws-hwe (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-generic-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-lowlatency-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-oem (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-virtual-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-oracle (Ubuntu package): before Ubuntu Pro (Infra-only)

External links

http://ubuntu.com/security/notices/USN-6866-1


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

11) Use-after-free

EUVDB-ID: #VU90197

Risk: Low

CVSSv3.1: 6.8 [AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-26898

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the tx() function in drivers/block/aoe/aoenet.c, within the aoecmd_cfg_pkts() function in drivers/block/aoe/aoecmd.c. A local user can escalate privileges on the system.

Mitigation

Update the affected package linux to the latest version.

Vulnerable software versions

Ubuntu: 16.04 - 18.04

linux-image-4.15.0-226-lowlatency (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-226-generic (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1169-aws (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1163-gcp (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1153-kvm (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1132-oracle (Ubuntu package): before Ubuntu Pro

linux-image-oracle-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-gcp-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-aws-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-lowlatency (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-kvm (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-generic (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-virtual (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-gcp (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-gke (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-aws-hwe (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-generic-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-lowlatency-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-oem (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-virtual-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-oracle (Ubuntu package): before Ubuntu Pro (Infra-only)

External links

http://ubuntu.com/security/notices/USN-6866-1


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

12) Use-after-free

EUVDB-ID: #VU90243

Risk: Low

CVSSv3.1: 7.7 [AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-47063

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the panel_bridge_attach() function in drivers/gpu/drm/bridge/panel.c. A local user can escalate privileges on the system.

Mitigation

Update the affected package linux to the latest version.

Vulnerable software versions

Ubuntu: 16.04 - 18.04

linux-image-4.15.0-226-lowlatency (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-226-generic (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1169-aws (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1163-gcp (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1153-kvm (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1132-oracle (Ubuntu package): before Ubuntu Pro

linux-image-oracle-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-gcp-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-aws-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-lowlatency (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-kvm (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-generic (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-virtual (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-gcp (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-gke (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-aws-hwe (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-generic-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-lowlatency-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-oem (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-virtual-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-oracle (Ubuntu package): before Ubuntu Pro (Infra-only)

External links

http://ubuntu.com/security/notices/USN-6866-1


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

13) Improper locking

EUVDB-ID: #VU90798

Risk: Low

CVSSv3.1: 4.8 [AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-52615

CWE-ID: CWE-667 - Improper Locking

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper locking within the rng_get_data() and rng_dev_read() functions in drivers/char/hw_random/core.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux to the latest version.

Vulnerable software versions

Ubuntu: 16.04 - 18.04

linux-image-4.15.0-226-lowlatency (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-226-generic (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1169-aws (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1163-gcp (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1153-kvm (Ubuntu package): before Ubuntu Pro

linux-image-4.15.0-1132-oracle (Ubuntu package): before Ubuntu Pro

linux-image-oracle-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-gcp-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-aws-lts-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-lowlatency (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-kvm (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-generic (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-virtual (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-gcp (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-gke (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-aws-hwe (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-generic-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-lowlatency-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-oem (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-virtual-hwe-16.04 (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-oracle (Ubuntu package): before Ubuntu Pro (Infra-only)

External links

http://ubuntu.com/security/notices/USN-6866-1


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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