#VU100156 Input validation error in Linux kernel - CVE-2024-50187

Vulnerability identifier: #VU100156

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-2024-50187

CWE-ID: CWE-20

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 input validation within the vc4_perfmon_open_file() and vc4_perfmon_close_file() functions in drivers/gpu/drm/vc4/vc4_perfmon.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/75452da51e2403e14be007df80d133e1443fc967
https://git.kernel.org/stable/c/937943c042503dc6087438bf3557f9057a588ba0
https://git.kernel.org/stable/c/c9adba739d5f7cdc47a7754df4a17b47b1ecf513
https://git.kernel.org/stable/c/0b2ad4f6f2bec74a5287d96cb2325a5e11706f22

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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.