CVE-2026-53066
Published: June 26, 2026Last modified: June 26, 2026
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()
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.5 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | NONE |
| Integrity impact | NONE |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Fixed (6.1.175-r0) |
| 25 LTS | linux-lts | Fixed (6.12.92-r0) | |
| Stream | linux-lts | Fixed (6.18.35-r1) |
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
- https://git.kernel.org/stable/c/ea51fd96aca01381e8f1ac0c671a57b7619193bb