#VU77957 Race condition in Linux kernel


Vulnerability identifier: #VU77957

Vulnerability 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-2023-35823

CWE-ID: CWE-362

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor:

Description

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

The vulnerability exists due to a race condition within the saa7134_finidev() function in drivers/media/pci/saa7134/saa7134-core.c. A local user can exploit the race and gain unauthorized access to sensitive information and escalate privileges on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions


External links
http://lore.kernel.org/all/49bb0b6a-e669-d4e7-d742-a19d2763e947@xs4all.nl/
http://lore.kernel.org/lkml/20230318085023.832510-1-zyytlz.wz@163.com/t/
http://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.2
http://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=30cf57da176cca80f11df0d9b7f71581fe601389


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.


Latest bulletins with this vulnerability