Improper locking in Linux kernel drm xlnx driver

1) Improper locking

EUVDB-ID: #VU93127

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-2024-38664

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 zynqmp_dpsub_probe() and zynqmp_dpsub_remove() functions in drivers/gpu/drm/xlnx/zynqmp_dpsub.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

External links

http://git.kernel.org/stable/c/6ead3eccf67bc8318b1ce95ed879b2cc05b4fce9
http://git.kernel.org/stable/c/603661357056b5e5ba6d86f505fbc936eff396ba
http://git.kernel.org/stable/c/be3f3042391d061cfca2bd22630e0d101acea5fc

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.