CVE-2026-53066

drm/sun4i: backend: fix error pointer dereference

MEDIUM

5.5

CVSS Score

Published: June 24, 2026 at 04:30 PM UTC

Updated: July 21, 2026 at 05:49 PM UTC

1 product affected across 1 vendorLinux Kernel

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Severity

MEDIUM5.5

Exploit prediction

EPSS 0.2%

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()

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel · Linux

95%

4.17 ≤ v < 6.1.1754.17 ≤ v < 6.12.914.17 ≤ v < 6.18.334.17 ≤ v < 6.6.1414.17 ≤ v < 7.0.104.17 ≤ v < 7.16.13 ≤ v < 6.18.336.19 ≤ v < 7.0.106.2 ≤ v < 6.6.1416.7 ≤ v < 6.12.914.1796180dde23b799272ab2e7d47210c8840799d0d2

Vendor states this is fixed in 06277983eca4a31d3c2114fa33d99a6e82484b11 (fixed)

Vendor states this is fixed in 47038159c559824f4dbfb5b0d87b9b3416663372 (fixed)

Vendor states this is fixed in 779c2f10743fc021f2f0ebe2b188cadfb973c5e4 (fixed)

Vendor states this is fixed in cf615b90a11a39a28e313be5e508e94bcde72016 (fixed)

Vendor states this is fixed in e9bef62f1bb9fcb38223730657af20f4c6283c16 (fixed)

Vendor states this is fixed in ea51fd96aca01381e8f1ac0c671a57b7619193bb (fixed)

Vendor states this is fixed in 4.17 (unaffected)

Vendor states this is fixed in 6.1.175 (unaffected)

Vendor states this is fixed in 6.12.91 (unaffected)

Vendor states this is fixed in 6.18.33 (unaffected)

Vendor states this is fixed in 6.6.141 (unaffected)

Vendor states this is fixed in 7.0.10 (unaffected)