Bug 2420281 (CVE-2023-53816) - CVE-2023-53816 kernel: drm/amdkfd: fix potential kgd_mem UAFs
Summary: CVE-2023-53816 kernel: drm/amdkfd: fix potential kgd_mem UAFs
Keywords:
Status: NEW
Alias: CVE-2023-53816
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-12-09 01:05 UTC by OSIDB Bzimport
Modified: 2025-12-22 11:39 UTC (History)
0 users

Fixed In Version:
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Description OSIDB Bzimport 2025-12-09 01:05:36 UTC 
In the Linux kernel, the following vulnerability has been resolved:

drm/amdkfd: fix potential kgd_mem UAFs

kgd_mem pointers returned by kfd_process_device_translate_handle are
only guaranteed to be valid while p->mutex is held. As soon as the mutex
is unlocked, another thread can free the BO.
Comment 1 Alexander B 2025-12-10 04:39:16 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025120945-CVE-2023-53816-e869@gregkh/T
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