CVE-2024-56538
kernel: drm: zynqmp_kms: Unplug DRM device before removal
Severity
ImportantRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · December 27, 2024
Updated · September 12, 2026
Description
A flaw was found in the Linux kernel's Direct Rendering Manager (DRM) subsystem, specifically in the zynqmp_kms driver. A local attacker could exploit a use-after-free vulnerability by performing userspace accesses to a DRM device after it has been unplugged but before its complete removal. This improper handling could lead to information disclosure, privilege escalation, 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-416 · Use After Free