Ubuntu update for linux-intel-iotg

1) NULL pointer dereference

EUVDB-ID: #VU73769

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-2023-23000

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 within the tegra_xusb_find_port_node() function in drivers/phy/tegra/xusb.c. A local user can pass specially crafted data to the system and perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-intel-iotg to the latest version.

Vulnerable software versions

Ubuntu: 20.04 - 22.04

linux-image-intel (Ubuntu package): before 5.15.0.1051.57~20.04.41

linux-image-intel-iotg (Ubuntu package): before 5.15.0.1051.51

linux-image-5.15.0-1051-intel-iotg (Ubuntu package): before 5.15.0-1051.57~20.04.1

CPE2.3

• cpe:2.3:o:canonical:ubuntu:20.04:*:*:*:*:*:*:*
• cpe:2.3:o:canonical:ubuntu:22.04:*:*:*:*:*:*:*
• cpe:2.3::canonical:linux-image-intel_ubuntu_package:*:*:*:*:*:*:*:*
• cpe:2.3::canonical:linux-image-intel-iotg_ubuntu_package:*:*:*:*:*:*:*:*
• cpe:2.3:o:canonical:linux-image-5.15.0-1051-intel-iotg_ubuntu_package:*:*:*:*:*:ubuntu:*:*

External links

https://ubuntu.com/security/notices/USN-6704-4

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) Resource exhaustion

EUVDB-ID: #VU80481

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-2023-32247

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

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

The vulnerability exists due to ksmbd does not properly control consumption of internal resources when handling SMB2_SESSION_SETUP commands. A remote attacker can send specially crafted data to the server during session setup, trigger memory exhaustion and perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-intel-iotg to the latest version.

Vulnerable software versions

Ubuntu: 20.04 - 22.04

linux-image-intel (Ubuntu package): before 5.15.0.1051.57~20.04.41

linux-image-intel-iotg (Ubuntu package): before 5.15.0.1051.51

linux-image-5.15.0-1051-intel-iotg (Ubuntu package): before 5.15.0-1051.57~20.04.1

CPE2.3

• cpe:2.3::canonical:linux-image-intel_ubuntu_package:*:*:*:*:*:*:*:*
• cpe:2.3::canonical:linux-image-intel-iotg_ubuntu_package:*:*:*:*:*:*:*:*
• cpe:2.3:o:canonical:linux-image-5.15.0-1051-intel-iotg_ubuntu_package:*:*:*:*:*:ubuntu:*:*

External links

https://ubuntu.com/security/notices/USN-6704-4

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.

3) Use-after-free

EUVDB-ID: #VU86578

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-2024-1085

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 netfilter nf_tables component in Linux kernel. A local user can trigger a use-after-free error and execute arbitrary code on the system.

Mitigation

Update the affected package linux-intel-iotg to the latest version.

Vulnerable software versions

Ubuntu: 20.04 - 22.04

linux-image-intel (Ubuntu package): before 5.15.0.1051.57~20.04.41

linux-image-intel-iotg (Ubuntu package): before 5.15.0.1051.51

linux-image-5.15.0-1051-intel-iotg (Ubuntu package): before 5.15.0-1051.57~20.04.1

CPE2.3

• cpe:2.3::canonical:linux-image-intel_ubuntu_package:*:*:*:*:*:*:*:*
• cpe:2.3::canonical:linux-image-intel-iotg_ubuntu_package:*:*:*:*:*:*:*:*
• cpe:2.3:o:canonical:linux-image-5.15.0-1051-intel-iotg_ubuntu_package:*:*:*:*:*:ubuntu:*:*

External links

https://ubuntu.com/security/notices/USN-6704-4

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) Use-after-free

EUVDB-ID: #VU86577

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-2024-1086

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 netfilter nf_tables component in Linux kernel. A local user can trigger a use-after-free error and execute arbitrary code on the system.

Mitigation

Update the affected package linux-intel-iotg to the latest version.

Vulnerable software versions

Ubuntu: 20.04 - 22.04

linux-image-intel (Ubuntu package): before 5.15.0.1051.57~20.04.41

linux-image-intel-iotg (Ubuntu package): before 5.15.0.1051.51

linux-image-5.15.0-1051-intel-iotg (Ubuntu package): before 5.15.0-1051.57~20.04.1

CPE2.3

• cpe:2.3::canonical:linux-image-intel_ubuntu_package:*:*:*:*:*:*:*:*
• cpe:2.3::canonical:linux-image-intel-iotg_ubuntu_package:*:*:*:*:*:*:*:*
• cpe:2.3:o:canonical:linux-image-5.15.0-1051-intel-iotg_ubuntu_package:*:*:*:*:*:ubuntu:*:*

External links

https://ubuntu.com/security/notices/USN-6704-4

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.

5) Race condition

EUVDB-ID: #VU87602

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-2024-24855

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 lpfc_unregister_fcf_rescan() function in scsi device driver. A local user can exploit the race and gain unauthorized access to sensitive information and escalate privileges on the system.

Mitigation

Update the affected package linux-intel-iotg to the latest version.

Vulnerable software versions

Ubuntu: 20.04 - 22.04

linux-image-intel (Ubuntu package): before 5.15.0.1051.57~20.04.41

linux-image-intel-iotg (Ubuntu package): before 5.15.0.1051.51

linux-image-5.15.0-1051-intel-iotg (Ubuntu package): before 5.15.0-1051.57~20.04.1

CPE2.3

• cpe:2.3::canonical:linux-image-intel_ubuntu_package:*:*:*:*:*:*:*:*
• cpe:2.3::canonical:linux-image-intel-iotg_ubuntu_package:*:*:*:*:*:*:*:*
• cpe:2.3:o:canonical:linux-image-5.15.0-1051-intel-iotg_ubuntu_package:*:*:*:*:*:ubuntu:*:*

External links

https://ubuntu.com/security/notices/USN-6704-4

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.