CVE-2025-21968

HIGH

Linux Kernel 5.5-5.9, 5.11-5.14, 5.16-6.0, 6.2-6.5, 6.7-6.11, 6.13 - Use-After-Free in HDCP Workqueue

Title source: llm
STIX 2.1

Description

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)

References (9)

Core 9

Scores

CVSS v3 7.8
EPSS 0.0017
EPSS Percentile 6.7%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-416
Status published
Products (24)
linux/Kernel 5.11.0 - 5.15.180linux
linux/Kernel 5.16.0 - 6.1.132linux
linux/Kernel 5.5.0 - 5.10.236linux
linux/Kernel 6.13.0 - 6.13.8linux
linux/Kernel 6.2.0 - 6.6.84linux
linux/Kernel 6.7.0 - 6.12.20linux
Linux/Linux < 5.5
Linux/Linux 5.10.236 - 5.10.*
Linux/Linux 5.15.180 - 5.15.*
Linux/Linux 5.5
... and 14 more
Published Apr 01, 2025
Tracked Since Feb 18, 2026