#VU93436 Improper locking in Linux kernel - CVE-2024-36949

Vulnerability identifier: #VU93436

Vulnerability 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-2024-36949

CWE-ID: CWE-667

Exploitation vector: Local

Exploit availability: No

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

Vendor: Linux Foundation

Description

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

The vulnerability exists due to improper locking within the kgd2kfd_suspend() and kgd2kfd_resume() functions in drivers/gpu/drm/amd/amdkfd/kfd_device.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

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External links
http://git.kernel.org/stable/c/b6f6626528fe724b512c34f3fb5946c36a135f58
http://git.kernel.org/stable/c/ed28ef3840bbf93a64376ea7814ce39f86352e14
http://git.kernel.org/stable/c/d06af584be5a769d124b7302b32a033e9559761d

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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.