drm/sun4i: backend: fix error pointer dereference

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Summary

CVECVE-2026-53066
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-06-24 17:17:19 UTC
Updated2026-06-24 17:17:19 UTC
DescriptionIn 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()

Risk And Classification

EPSS: 0.001610000 probability, percentile 0.056130000 (date 2026-06-27)

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 96180dde23b799272ab2e7d47210c8840799d0d2 ea51fd96aca01381e8f1ac0c671a57b7619193bb git Not specified
CNA Linux Linux affected 96180dde23b799272ab2e7d47210c8840799d0d2 cf615b90a11a39a28e313be5e508e94bcde72016 git Not specified
CNA Linux Linux affected 96180dde23b799272ab2e7d47210c8840799d0d2 779c2f10743fc021f2f0ebe2b188cadfb973c5e4 git Not specified
CNA Linux Linux affected 96180dde23b799272ab2e7d47210c8840799d0d2 47038159c559824f4dbfb5b0d87b9b3416663372 git Not specified
CNA Linux Linux affected 96180dde23b799272ab2e7d47210c8840799d0d2 e9bef62f1bb9fcb38223730657af20f4c6283c16 git Not specified
CNA Linux Linux affected 96180dde23b799272ab2e7d47210c8840799d0d2 06277983eca4a31d3c2114fa33d99a6e82484b11 git Not specified
CNA Linux Linux affected 4.17 Not specified
CNA Linux Linux unaffected 4.17 semver Not specified
CNA Linux Linux unaffected 6.1.175 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.141 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.91 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.33 6.18.* semver Not specified
CNA Linux Linux unaffected 7.0.10 7.0.* semver Not specified
CNA Linux Linux unaffected 7.1 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/ea51fd96aca01381e8f1ac0c671a57b7619193bb 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/779c2f10743fc021f2f0ebe2b188cadfb973c5e4 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/47038159c559824f4dbfb5b0d87b9b3416663372 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/e9bef62f1bb9fcb38223730657af20f4c6283c16 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/06277983eca4a31d3c2114fa33d99a6e82484b11 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/cf615b90a11a39a28e313be5e508e94bcde72016 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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