NULL pointer dereference in Linux kernel amd amdgpu driver

1) NULL pointer dereference

EUVDB-ID: #VU102100

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-2024-56697

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 amdgpu_discovery_get_nps_info() function in drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.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/a1144da794adedb9447437c57d69add56494309d
https://git.kernel.org/stable/c/d14bea4e094871226ea69772d69dab8b7b5f4915
https://git.kernel.org/stable/c/e8f1dbaa0437eba4e8c1d6a6d81eca2e2ce3d197

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.