Medium 5.5Published Jun 24, 2026

CVE-2026-53066drm/sun4i: backend: fix error pointer dereference

Updated under an hour ago (Oct 28, 2026, 4:30 PM ET)

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No exploitation reported and no EPSS estimate yet.

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Exploited in the last 30 days

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()

CVSS: 5.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Analyzed
Record last updated: Jun 24, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from 96180dde23b799272ab2e7d47210c8840799d0d2 before ea51fd96aca01381e8f1ac0c671a57b7619193bb; from 96180dde23b799272ab2e7d47210c8840799d0d2 before cf615b90a11a39a28e313be5e508e94bcde72016; 96180dde23b799272ab2e7d47210c8840799d0d2 builds before 779c2f10743fc021f2f0ebe2b188cadfb973c5e4; from 96180dde23b799272ab2e7d47210c8840799d0d2 before 47038159c559824f4dbfb5b0d87b9b3416663372; from 96180dde23b799272ab2e7d47210c8840799d0d2 before e9bef62f1bb9fcb38223730657af20f4c6283c16; from 96180dde23b799272ab2e7d47210c8840799d0d2 before 06277983eca4a31d3c2114fa33d99a6e82484b11	CNA record
linux linux_kernel linux:linux_kernel	from 4.17 before 6.1.175; from 6.2 before 6.6.141; from 6.7 before 6.12.91; from 6.13 before 6.18.33; from 6.19 before 7.0.10	NVD

References

References

https://git.kernel.org/stable/c/ea51fd96aca01381e8f1ac0c671a57b7619193bb	patch
https://git.kernel.org/stable/c/cf615b90a11a39a28e313be5e508e94bcde72016	patch
https://git.kernel.org/stable/c/779c2f10743fc021f2f0ebe2b188cadfb973c5e4	patch
https://git.kernel.org/stable/c/47038159c559824f4dbfb5b0d87b9b3416663372	patch
https://git.kernel.org/stable/c/e9bef62f1bb9fcb38223730657af20f4c6283c16	patch
https://git.kernel.org/stable/c/06277983eca4a31d3c2114fa33d99a6e82484b11	patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.