#VU90613 NULL pointer dereference in Linux kernel - CVE-2024-26649

Vulnerability identifier: #VU90613

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-2024-26649

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 gfx_v10_0_init_microcode() function in drivers/gpu/drm/amd/amdgpu/gfx_v10_0.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/8b5bacce2d13dbe648f0bfd3f738ecce8db4978c
https://git.kernel.org/stable/c/d3887448486caeef9687fb5dfebd4ff91e0f25aa
https://git.kernel.org/stable/c/bc03c02cc1991a066b23e69bbcc0f66e8f1f7453

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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.