Bug 2356900 (CVE-2025-21987) - CVE-2025-21987 kernel: drm/amdgpu: init return value in amdgpu_ttm_clear_buffer
Summary: CVE-2025-21987 kernel: drm/amdgpu: init return value in amdgpu_ttm_clear_buffer
Keywords:
Status: NEW
Alias: CVE-2025-21987
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-04-02 13:01 UTC by OSIDB Bzimport
Modified: 2025-04-02 13:52 UTC (History)
4 users (show)

Fixed In Version:
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Description OSIDB Bzimport 2025-04-02 13:01:10 UTC 
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)
Comment 1 Michal Findra 2025-04-02 13:46:04 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025040249-CVE-2025-21987-de85@gregkh/T
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