CVE-2025-21968 – AMD Display Slab-Use-After-Free Vulnerability

The following table lists the changes that have been made to the
CVE-2025-21968 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Apr. 01, 2025

    Action Type Old Value New Value
    Added 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)

    Added Reference https://git.kernel.org/stable/c/378b361e2e30e9729f9a7676f7926868d14f4326
    Added Reference https://git.kernel.org/stable/c/4964dbc4191ab436877a5e3ecd9c67a4e50b7c36
    Added Reference https://git.kernel.org/stable/c/93d701064e56788663d7c5918fbe5e060d5df587
    Added Reference https://git.kernel.org/stable/c/bac7b8b1a3f1a86eeec85835af106cbdc2b9d9f7
    Added Reference https://git.kernel.org/stable/c/e65e7bea220c3ce8c4c793b4ba35557f4994ab2b
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