Improper locking in Linux kernel amd amdgpu driver

1) Improper locking

EUVDB-ID: #VU93437

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-2024-36022

CWE-ID: CWE-667 - Improper Locking

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper locking within the amdgpu_drv_delayed_reset_work_handler() function in drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c, within the amdgpu_amdkfd_drm_client_create() function in drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Linux kernel: 6.8 - 6.8.5

CPE2.3

• cpe:2.3:o:linux_foundation:linux_kernel:6.8:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:6.8:rc1:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:6.8:rc2:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:6.8:rc5:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:6.8.1:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:6.8.2:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:6.8.3:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:6.8.4:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:6.8.5:*:*:*:*:*:*:*

External links

https://git.kernel.org/stable/c/4f8154f775197d0021b690c2945d6a4d8094c8f6
https://git.kernel.org/stable/c/f679fd6057fbf5ab34aaee28d58b7f81af0cbf48
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8.6

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.