CVE-2026-53066

Summary

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 Software

VendorProductVersion RangeStatus
LinuxLinux96180dde23b799272ab2e7d47210c8840799d0d2 < ea51fd96aca01381e8f1ac0c671a57b7619193bbaffected
LinuxLinux96180dde23b799272ab2e7d47210c8840799d0d2 < cf615b90a11a39a28e313be5e508e94bcde72016affected
LinuxLinux96180dde23b799272ab2e7d47210c8840799d0d2 < 779c2f10743fc021f2f0ebe2b188cadfb973c5e4affected
LinuxLinux96180dde23b799272ab2e7d47210c8840799d0d2 < 47038159c559824f4dbfb5b0d87b9b3416663372affected
LinuxLinux96180dde23b799272ab2e7d47210c8840799d0d2 < e9bef62f1bb9fcb38223730657af20f4c6283c16affected
LinuxLinux96180dde23b799272ab2e7d47210c8840799d0d2 < 06277983eca4a31d3c2114fa33d99a6e82484b11affected
LinuxLinux4.17affected
LinuxLinux0 < 4.17unaffected
LinuxLinux6.1.175 <= 6.1.*unaffected
LinuxLinux6.6.141 <= 6.6.*unaffected
LinuxLinux6.12.91 <= 6.12.*unaffected
LinuxLinux6.18.33 <= 6.18.*unaffected
LinuxLinux7.0.10 <= 7.0.*unaffected
LinuxLinux7.1 <= *unaffected

Weaknesses

References