NULL pointer dereference in Linux kernel amd amdgpu driver

1) NULL pointer dereference

EUVDB-ID: #VU98959

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-2024-49904

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 aca_banks_release(), aca_error_fini() and aca_manager_fini() functions in drivers/gpu/drm/amd/amdgpu/amdgpu_aca.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

CPE2.3

• cpe:2.3:o:linux_foundation:linux_kernel:*:*:*:*:*:*:*:*

External links

https://git.kernel.org/stable/c/5ec731ef47f1dba34daad3e51a93de793f9319ac
https://git.kernel.org/stable/c/8e87763946f708063d7e5303339598abbb8c5aac
https://git.kernel.org/stable/c/4416377ae1fdc41a90b665943152ccd7ff61d3c5

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.