### [CVE-2025-21968](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-21968) ![](https://img.shields.io/static/v1?label=Product&message=Linux&color=blue) ![](https://img.shields.io/static/v1?label=Version&message=&color=brightgreen) ![](https://img.shields.io/static/v1?label=Version&message=5.5%20&color=brightgreen) ![](https://img.shields.io/static/v1?label=Version&message=da3fd7ac0bcf372cc57117bdfcd725cca7ef975a%20&color=brightgreen) ![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=blue) ### 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 theproperty_validate_dwork queue is still running.[How]Cancel the delayed work when destroying workqueue.(cherry picked from commit 725a04ba5a95e89c89633d4322430cfbca7ce128) ### POC #### Reference No PoCs from references. #### Github - https://github.com/fkie-cad/nvd-json-data-feeds - https://github.com/w4zu/Debian_security