#VU102121 NULL pointer dereference in Linux kernel - CVE-2024-56667

Vulnerability identifier: #VU102121

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-2024-56667

CWE-ID: CWE-476

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 NULL pointer dereference within the capture_engine() function in drivers/gpu/drm/i915/i915_gpu_error.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/da0b986256ae9a78b0215214ff44f271bfe237c1
https://git.kernel.org/stable/c/e07f9c92bd127f8835ac669d83b5e7ff59bbb40f
https://git.kernel.org/stable/c/e6ebe4f14a267bc431d0eebab4f335c0ebd45977

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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.