5.5

CVE-2026-53066

drm/sun4i: backend: fix error pointer dereference

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()
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 4.17 < 6.1.175
Linux ≫ Linux Kernel Version >= 6.2 < 6.6.141
Linux ≫ Linux Kernel Version >= 6.7 < 6.12.91
Linux ≫ Linux Kernel Version >= 6.13 < 6.18.33
Linux ≫ Linux Kernel Version >= 6.19 < 7.0.10
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.11% 0.018
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

https://git.kernel.org/stable/c/ea51fd96aca01381e8f1ac0c671a57b7619193bb
Patch
https://git.kernel.org/stable/c/cf615b90a11a39a28e313be5e508e94bcde72016
Patch
https://git.kernel.org/stable/c/779c2f10743fc021f2f0ebe2b188cadfb973c5e4
Patch
https://git.kernel.org/stable/c/47038159c559824f4dbfb5b0d87b9b3416663372
Patch
https://git.kernel.org/stable/c/e9bef62f1bb9fcb38223730657af20f4c6283c16
Patch
https://git.kernel.org/stable/c/06277983eca4a31d3c2114fa33d99a6e82484b11
Patch