CVE-2026-53066

Description

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()

References

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