CVE-2026-53066
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()
Affected versions
Linux kernel versions
4.17
and later are affected. Fixed in
6.1.175,
6.6.141,
6.12.91,
6.18.33,
7.0.10,
7.1
and their respective stable series.
References
6 totalFrequently asked questions
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What is CVE-2026-53066?
CVE-2026-53066 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 4.17 onward and has been patched in 6.1.175, 6.6.141, 6.12.91 and others. CVE-2026-53066 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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Is there a patch available for CVE-2026-53066?
Yes — CVE-2026-53066 has been patched. Fixed versions include 6.1.175, 6.6.141, 6.12.91 and others. If you are running Linux kernel 4.17 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2026-53066 actively exploited?
No — CVE-2026-53066 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.