CVE-2025-21987 – AMDGPU Uninitialized Value Return Vulnerability

The following table lists the changes that have been made to the
CVE-2025-21987 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. 02, 2025

    Action Type Old Value New Value
    Added Description In the Linux kernel, the following vulnerability has been resolved:

    drm/amdgpu: init return value in amdgpu_ttm_clear_buffer

    Otherwise an uninitialized value can be returned if
    amdgpu_res_cleared returns true for all regions.

    Possibly closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3812

    (cherry picked from commit 7c62aacc3b452f73a1284198c81551035fac6d71)

    Added Reference https://git.kernel.org/stable/c/5bd98c2df4a0f2e2dcbdf563feb8d348406377b5
    Added Reference https://git.kernel.org/stable/c/d2c9625b0ade41f9917875d88173a0cc802b95fc
    Added Reference https://git.kernel.org/stable/c/d3c7059b6a8600fc62cd863f1ea203b8675e63e1
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