Improper error handling in Linux kernel amd amdkfd driver

1) Improper error handling

EUVDB-ID: #VU93452

Risk: Low

CVSSv3.1: 4.8 [AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-52678

CWE-ID: CWE-388 - Error Handling

Exploit availability: No

Description

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

The vulnerability exists due to improper error handling within the kfd_create_indirect_link_prop() and kfd_add_peer_prop() functions in drivers/gpu/drm/amd/amdkfd/kfd_topology.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

External links

http://git.kernel.org/stable/c/4525525cb7161d08f95d0e47025323dd10214313
http://git.kernel.org/stable/c/5024cce888e11e5688f77df81db9e14828495d64
http://git.kernel.org/stable/c/4ac4e023ed7ab1c7c67d2d12b7b6198fcd099e5c
http://git.kernel.org/stable/c/499839eca34ad62d43025ec0b46b80e77065f6d8

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.