Bug 2492267 (CVE-2026-53066) - CVE-2026-53066 kernel: drm/sun4i: backend: fix error pointer dereference
Summary: CVE-2026-53066 kernel: drm/sun4i: backend: fix error pointer dereference
Keywords:
Status: NEW
Alias: CVE-2026-53066
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
unspecified
unspecified
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-06-24 18:01 UTC by OSIDB Bzimport
Modified: 2026-06-25 13:16 UTC (History)
2 users (show)

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

Attachments (Terms of Use)

Description OSIDB Bzimport 2026-06-24 18:01:58 UTC 
In the Linux kernel, the following vulnerability has been resolved:

drm/sun4i: backend: fix error pointer dereference

The function drm_atomic_get_plane_state() can return an error pointer
and is not checked for it. Add error pointer check.

Detected by Smatch:
drivers/gpu/drm/sun4i/sun4i_backend.c:496 sun4i_backend_atomic_check() error:
'plane_state' dereferencing possible ERR_PTR()
Comment 1 Mauro Matteo Cascella 2026-06-25 13:11:58 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2026062403-CVE-2026-53066-d2e5@gregkh/T
Note You need to log in before you can comment on or make changes to this bug.