Division by zero in Linux kernel dc core driver

1) Division by zero

EUVDB-ID: #VU97555

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-2024-46732

CWE-ID: CWE-369 - Divide By Zero

Exploit availability: No

Description

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

The vulnerability exists due to a division by zero error within the dc_create() function in drivers/gpu/drm/amd/display/dc/core/dc.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/4bd7710f2fecfc5fb2dda1ca2adc69db8a66b8b6
http://git.kernel.org/stable/c/d219f902b16d42f0cb8c499ea8f31cf3c0f36349
http://git.kernel.org/stable/c/d2fe7ac613a1ea8c346c9f5c89dc6ecc27232997
http://git.kernel.org/stable/c/c44b568931d23aed9d37ecbb31fb5fbdd198bf7b
http://git.kernel.org/stable/c/984debc133efa05e62f5aa1a7a1dd8ca0ef041f4

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.