Bug 2356655 (CVE-2025-21940) - CVE-2025-21940 kernel: drm/amdkfd: Fix NULL Pointer Dereference in KFD queue
Summary: CVE-2025-21940 kernel: drm/amdkfd: Fix NULL Pointer Dereference in KFD queue
Keywords:
Status: NEW
Alias: CVE-2025-21940
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-04-01 16:04 UTC by OSIDB Bzimport
Modified: 2025-04-20 18:15 UTC (History)
4 users (show)

Fixed In Version:
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Description OSIDB Bzimport 2025-04-01 16:04:39 UTC 
In the Linux kernel, the following vulnerability has been resolved:

drm/amdkfd: Fix NULL Pointer Dereference in KFD queue

Through KFD IOCTL Fuzzing we encountered a NULL pointer derefrence
when calling kfd_queue_acquire_buffers.

(cherry picked from commit 049e5bf3c8406f87c3d8e1958e0a16804fa1d530)
Comment 1 Robb Gatica 2025-04-02 00:16:13 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025040135-CVE-2025-21940-f9e9@gregkh/T
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