Division by zero in Linux kernel dc dml2 driver

1) Division by zero

EUVDB-ID: #VU112323

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-38205

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 populate_dummy_dml_surface_cfg() function in drivers/gpu/drm/amd/display/dc/dml2/dml2_translation_helper.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's repository.

Vulnerable software versions

Linux kernel: All versions

CPE2.3

• cpe:2.3:o:linux_foundation:linux_kernel:*:*:*:*:*:*:*:*

External links

https://git.kernel.org/stable/c/7e40f64896e8e3dca471e287672db5ace12ea0be
https://git.kernel.org/stable/c/8044f981b2cf8c32fe1bd5d1fc991552cdf7ffe0

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.