Overview
About vulnerability
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)
Details
- Affected product:
- AlmaLinux 9.2 ESU , TuxCare 9.6 ESU
- Affected packages:
- kernel @ 5.14.0 (+1 more)
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)