Input validation error in Linux kernel dc dml driver

1) Input validation error

EUVDB-ID: #VU97845

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/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-2024-46812

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to improper input validation within the ModeSupportAndSystemConfiguration() function in drivers/gpu/drm/amd/display/dc/dml/display_mode_vba.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/3300a039caf850376bc3416c808cd8879da412bb
http://git.kernel.org/stable/c/8406158a546441b73f0b216aedacbf9a1e5748fb
http://git.kernel.org/stable/c/ee9d6df6d9172917d9ddbd948bb882652d5ecd29
http://git.kernel.org/stable/c/a54f7e866cc73a4cb71b8b24bb568ba35c8969df

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.