#VU91515 Improper locking in Linux kernel - CVE-2024-35952

Vulnerability identifier: #VU91515

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-2024-35952

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 ast_dp_set_on_off() function in drivers/gpu/drm/ast/ast_dp.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
https://git.kernel.org/stable/c/8a6fea3fcb577a543ef67683ca7105bde49a38fb
https://git.kernel.org/stable/c/a81b2acd43e24e419f65df97348c76a5a1496066
https://git.kernel.org/stable/c/35768baf0fdfc47ede42d899506bad78450e9294
https://git.kernel.org/stable/c/bc004f5038220b1891ef4107134ccae44be55109

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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.