Bug 2400808 (CVE-2023-53498) - CVE-2023-53498 kernel: drm/amd/display: Fix potential null dereference
Summary: CVE-2023-53498 kernel: drm/amd/display: Fix potential null dereference
Keywords:
Status: NEW
Alias: CVE-2023-53498
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: 2025-10-01 12:08 UTC by OSIDB Bzimport
Modified: 2025-10-01 18:24 UTC (History)
0 users

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments (Terms of Use)

Description OSIDB Bzimport 2025-10-01 12:08:35 UTC 
In the Linux kernel, the following vulnerability has been resolved:

drm/amd/display: Fix potential null dereference

The adev->dm.dc pointer can be NULL and dereferenced in amdgpu_dm_fini()
without checking.

Add a NULL pointer check before calling dc_dmub_srv_destroy().

Found by Linux Verification Center (linuxtesting.org) with SVACE.
Comment 1 Jon Moroney 2025-10-01 18:20:36 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025100126-CVE-2023-53498-3f4e@gregkh/T
Note You need to log in before you can comment on or make changes to this bug.