NULL pointer dereference in Linux kernel drm i915 driver

1) NULL pointer dereference

EUVDB-ID: #VU102121

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 - NULL Pointer Dereference

Exploit availability: No

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: 6.12 - 6.12.5

CPE2.3

• cpe:2.3:o:linux_foundation:linux_kernel:6.12:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:6.12.1:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:6.12.2:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:6.12.3:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:6.12.4:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:6.12.5:*:*:*:*:*:*:*

External links

https://git.kernel.org/stable/c/da0b986256ae9a78b0215214ff44f271bfe237c1
https://git.kernel.org/stable/c/e07f9c92bd127f8835ac669d83b5e7ff59bbb40f
https://git.kernel.org/stable/c/e6ebe4f14a267bc431d0eebab4f335c0ebd45977
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.6

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.