CVE-2025-21968
What it is
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)
At a glance
- Exploitability
- Can be exploited locally on the machine with a low-privilege account. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 0.2% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.2% in the next 30 days (EPSS).
- Severity: 7.8 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.2% · EPSS, next 30 days
- Weakness
- CWE-416 · Use after free
- Record status
- Modified
Affected
- Linux Kernel < 5.10.236
- Linux Kernel < 5.15.180
- Linux Kernel < 6.1.132
- Linux Kernel < 6.6.84
- Linux Kernel < 6.12.20
- Linux Kernel < 6.13.8
- Linux Kernel 6.14
Attack profile CVSS 3.1 · 7.8
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2025-21968.md and follow it. Check whether this project is affected by CVE-2025-21968. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- 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
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