Ubuntu update for linux-oem-6.0

1) Buffer overflow

EUVDB-ID: #VU70460

Risk: Low

CVSSv3.1: 6.4 [CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-4139

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 a boundary error within the i915 kernel driver on Linux kernel. A local user can trigger memory corruption and execute arbitrary code with elevated privileges.

Mitigation

Update the affected package linux-oem-6.0 to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-image-6.0.0-1016-oem (Ubuntu package): before 6.0.0-1016.16

linux-image-oem-22.04b (Ubuntu package): before 6.0.0.1016.16

External links

http://ubuntu.com/security/notices/USN-6089-1

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.