CVE-2025-21968

drm/amd/display: Fix slab-use-after-free on hdcp_work

CVSS 7.8 HIGHEPSS 0.2%CWE-416

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 7.8EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

01 Apr 2025Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix slab-use-after-free on hdcp_work [Why] A slab-use-after-free is reported when HDCP is destroyed but the property_validate_dwork queue is still running. [How] Cancel the delayed work when destroying workqueue. (cherry picked from commit 725a04ba5a95e89c89633d4322430cfbca7ce128)

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

Linux · Linux

References

https://git.kernel.org/stable/c/06acfdef370ae018dad9592369e2d2fd9a40c09e https://git.kernel.org/stable/c/1397715b011bcdc6ad91b17df7acaee301e89db5 https://git.kernel.org/stable/c/378b361e2e30e9729f9a7676f7926868d14f4326 https://git.kernel.org/stable/c/4964dbc4191ab436877a5e3ecd9c67a4e50b7c36 https://git.kernel.org/stable/c/93d701064e56788663d7c5918fbe5e060d5df587 https://git.kernel.org/stable/c/bac7b8b1a3f1a86eeec85835af106cbdc2b9d9f7 https://git.kernel.org/stable/c/e65e7bea220c3ce8c4c793b4ba35557f4994ab2b https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html