Improper locking in Linux kernel amd amdgpu driver

1) Improper locking

EUVDB-ID: #VU90756

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-2024-35795

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 amdgpu_debugfs_mqd_read() function in drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Linux kernel: All versions

External links

http://git.kernel.org/stable/c/197f6d6987c55860f6eea1c93e4f800c59078874
http://git.kernel.org/stable/c/8b03556da6e576c62664b6cd01809e4a09d53b5b
http://git.kernel.org/stable/c/4687e3c6ee877ee25e57b984eca00be53b9a8db5
http://git.kernel.org/stable/c/8678b1060ae2b75feb60b87e5b75e17374e3c1c5

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.