Buffer overflow in Linux kernel dml calcs driver

1) Buffer overflow

EUVDB-ID: #VU97557

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-2024-46726

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

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

The vulnerability exists due to memory corruption within the dcn_bw_update_from_pplib_fclks() function in drivers/gpu/drm/amd/display/dc/dml/calcs/dcn_calcs.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/733ae185502d30bbe79575167b6178cfb6c5d6bd
http://git.kernel.org/stable/c/3dc6bb57dab36b38b7374af0ac916174c146b6ed
http://git.kernel.org/stable/c/d705b5869f6b1b46ad5ceb1bd2a08c04f7e5003b
http://git.kernel.org/stable/c/8e2734bf444767fed787305ccdcb36a2be5301a2

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.