Ubuntu update for linux-oem-6.1



| Updated: 2024-10-17
Risk Medium
Patch available YES
Number of vulnerabilities 12
CVE-ID CVE-2022-36280
CVE-2022-3707
CVE-2022-41218
CVE-2022-4379
CVE-2022-47929
CVE-2023-0045
CVE-2023-0179
CVE-2023-0210
CVE-2023-0266
CVE-2023-0461
CVE-2023-23454
CVE-2023-23455
CWE-ID CWE-787
CWE-415
CWE-416
CWE-476
CWE-254
CWE-190
CWE-122
CWE-843
Exploitation vector Network
Public exploit Public exploit code for vulnerability #3 is available.
Public exploit code for vulnerability #6 is available.
Public exploit code for vulnerability #7 is available.
Vulnerability #9 is being exploited in the wild.
Vulnerable software
Ubuntu
Operating systems & Components / Operating system

linux-image-6.1.0-1007-oem (Ubuntu package)
Operating systems & Components / Operating system package or component

linux-image-oem-22.04c (Ubuntu package)
Operating systems & Components / Operating system package or component

Vendor Canonical Ltd.

Security Bulletin

This security bulletin contains information about 12 vulnerabilities.

1) Out-of-bounds write

EUVDB-ID: #VU71480

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-36280

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error within the vmw_kms_cursor_snoo() function in drivers/gpu/vmxgfx/vmxgfx_kms.c in vmwgfx VMWare driver. A local user can trigger an out-of-bounds write and perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-oem-6.1 to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-image-6.1.0-1007-oem (Ubuntu package): before 6.1.0-1007.7

linux-image-oem-22.04c (Ubuntu package): before 6.1.0.1007.7

CPE2.3 External links

https://ubuntu.com/security/notices/USN-5915-1


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) Double Free

EUVDB-ID: #VU70487

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-3707

CWE-ID: CWE-415 - Double Free

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error within the intel_gvt_dma_map_guest_page() function in Intel GVT-g graphics driver. A local user can trigger a double free error and crash the kernel.

Mitigation

Update the affected package linux-oem-6.1 to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-image-6.1.0-1007-oem (Ubuntu package): before 6.1.0-1007.7

linux-image-oem-22.04c (Ubuntu package): before 6.1.0.1007.7

CPE2.3 External links

https://ubuntu.com/security/notices/USN-5915-1


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) Use-after-free

EUVDB-ID: #VU67657

Risk: Low

CVSSv4.0: 7.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear]

CVE-ID: CVE-2022-41218

CWE-ID: CWE-416 - Use After Free

Exploit availability: Yes

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 dvb_demux_open() and dvb_dmxdev_release() function in drivers/media/dvb-core/dmxdev.c in Linux kernel. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.

Mitigation

Update the affected package linux-oem-6.1 to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-image-6.1.0-1007-oem (Ubuntu package): before 6.1.0-1007.7

linux-image-oem-22.04c (Ubuntu package): before 6.1.0.1007.7

CPE2.3 External links

https://ubuntu.com/security/notices/USN-5915-1


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. However, proof of concept for this vulnerability is available.

4) Use-after-free

EUVDB-ID: #VU71583

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-4379

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a use-after-free error within the __nfs42_ssc_open() function in fs/nfs/nfs4file.c. A remote attacker can perform a denial of service (DoS) attack.


Mitigation

Update the affected package linux-oem-6.1 to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-image-6.1.0-1007-oem (Ubuntu package): before 6.1.0-1007.7

linux-image-oem-22.04c (Ubuntu package): before 6.1.0.1007.7

CPE2.3 External links

https://ubuntu.com/security/notices/USN-5915-1


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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

5) NULL pointer dereference

EUVDB-ID: #VU71479

Risk: Medium

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-47929

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

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

The vulnerability exists due to a NULL pointer dereference error in the traffic control subsystem in Linux kernel. A local user can pass pass a specially crafted traffic control configuration that is set up with "tc qdisc" and "tc class" commands and perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-oem-6.1 to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-image-6.1.0-1007-oem (Ubuntu package): before 6.1.0-1007.7

linux-image-oem-22.04c (Ubuntu package): before 6.1.0.1007.7

CPE2.3 External links

https://ubuntu.com/security/notices/USN-5915-1


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) Security features bypass

EUVDB-ID: #VU72469

Risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/U:Clear]

CVE-ID: CVE-2023-0045

CWE-ID: CWE-254 - Security Features

Exploit availability: Yes

Description

The vulnerability allows a local user to bypass implemented security restrictions.

The vulnerability exists due to Linux kernel does not correctly mitigate SMT attacks. A local user can bypass Spectre-BTI user space mitigations and gain access to sensitive information.

Mitigation

Update the affected package linux-oem-6.1 to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-image-6.1.0-1007-oem (Ubuntu package): before 6.1.0-1007.7

linux-image-oem-22.04c (Ubuntu package): before 6.1.0.1007.7

CPE2.3 External links

https://ubuntu.com/security/notices/USN-5915-1


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. However, proof of concept for this vulnerability is available.

7) Integer overflow

EUVDB-ID: #VU71173

Risk: Low

CVSSv4.0: 7.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear]

CVE-ID: CVE-2023-0179

CWE-ID: CWE-190 - Integer overflow

Exploit availability: Yes

Description

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

The vulnerability exists due to an integer overflow within the nft_payload_copy_vlan() function in Linux kernel Netfilter. A local user can trigger an integer overflow and execute arbitrary code with elevated privileges.

Mitigation

Update the affected package linux-oem-6.1 to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-image-6.1.0-1007-oem (Ubuntu package): before 6.1.0-1007.7

linux-image-oem-22.04c (Ubuntu package): before 6.1.0.1007.7

CPE2.3 External links

https://ubuntu.com/security/notices/USN-5915-1


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. However, proof of concept for this vulnerability is available.

8) Heap-based buffer overflow

EUVDB-ID: #VU71095

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-0210

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error within the ksmbd_decode_ntlmssp_auth_blob() function in ksmbd when handling NTLMv2 authentication. A remote attacker can send specially crafted data to ksmbd, trigger a heap-based buffer overflow and perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-oem-6.1 to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-image-6.1.0-1007-oem (Ubuntu package): before 6.1.0-1007.7

linux-image-oem-22.04c (Ubuntu package): before 6.1.0.1007.7

CPE2.3 External links

https://ubuntu.com/security/notices/USN-5915-1


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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

9) Use-after-free

EUVDB-ID: #VU71482

Risk: High

CVSSv4.0: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Amber]

CVE-ID: CVE-2023-0266

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 snd_ctl_elem_read() function in the Linux kernel sound subsystem. A local user can trigger a use-after-free error and execute arbitrary code on the system.

Note, the vulnerability is being actively exploited in the wild.

Mitigation

Update the affected package linux-oem-6.1 to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-image-6.1.0-1007-oem (Ubuntu package): before 6.1.0-1007.7

linux-image-oem-22.04c (Ubuntu package): before 6.1.0.1007.7

CPE2.3 External links

https://ubuntu.com/security/notices/USN-5915-1


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?

Yes. This vulnerability is being exploited in the wild.

10) Use-after-free

EUVDB-ID: #VU72506

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-0461

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 Upper Level Protocol (ULP) subsystem in Linux kernel caused by improper handling of sockets entering the LISTEN state in certain protocols. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.


Mitigation

Update the affected package linux-oem-6.1 to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-image-6.1.0-1007-oem (Ubuntu package): before 6.1.0-1007.7

linux-image-oem-22.04c (Ubuntu package): before 6.1.0.1007.7

CPE2.3 External links

https://ubuntu.com/security/notices/USN-5915-1


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) Type Confusion

EUVDB-ID: #VU71478

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-23454

CWE-ID: CWE-843 - Type confusion

Exploit availability: No

Description

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

The vulnerability exists due to a type confusion error within the cbq_classify() function in net/sched/sch_cbq.c in the Linux kernel. A local user can trigger a type confusion error and crash the kernel.

Mitigation

Update the affected package linux-oem-6.1 to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-image-6.1.0-1007-oem (Ubuntu package): before 6.1.0-1007.7

linux-image-oem-22.04c (Ubuntu package): before 6.1.0.1007.7

CPE2.3 External links

https://ubuntu.com/security/notices/USN-5915-1


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) Type Confusion

EUVDB-ID: #VU71477

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-23455

CWE-ID: CWE-843 - Type confusion

Exploit availability: No

Description

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

The vulnerability exists due to a type confusion error within the atm_tc_enqueue() function in net/sched/sch_atm.c in the Linux kernel. A local user can trigger a type confusion error and perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-oem-6.1 to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-image-6.1.0-1007-oem (Ubuntu package): before 6.1.0-1007.7

linux-image-oem-22.04c (Ubuntu package): before 6.1.0.1007.7

CPE2.3 External links

https://ubuntu.com/security/notices/USN-5915-1


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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