CVE-2024-56775
kernel: drm/amd/display: Fix handling of plane refcount
Severity
ImportantRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · January 8, 2025
Updated · September 12, 2026
Description
A flaw was found in the drm/amd/display component of the Linux kernel. The mechanism for backing up and restoring plane states does not properly maintain reference counts. This can lead to memory leaks, double frees, or invalid memory accesses. A local attacker with low privileges could exploit this vulnerability, potentially resulting in arbitrary code execution or a denial of service.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-415 · Double Free