drm/sun4i: backend: fix error pointer dereference
Priority LOW 24CWE-476Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-476.
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()
Why it matters now
EPSS 0.00162 5th percentileScored 2026-11-07
Fix Fixed Linux (Linux): 6.1.175, 6.6.141, 6.12.91 +3
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Linux | Linux | 4.17 and later | 6.1.175, 6.6.141, 6.12.91, 6.18.33, 7.0.10, 7.1 | Patch available | CNA |
- Linux VendorLinux Affected 4.17 and later Fixed in 6.1.175, 6.6.141, 6.12.91, 6.18.33, 7.0.10, 7.1 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 4.17 to before 6.1.175; 6.2 to before 6.6.141; 6.7 to before 6.12.91; 6.13 to before 6.18.33; 6.19 to before 7.0.10 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 4.17 to before 6.1.175; 6.2 to before 6.6.141; 6.7 to before 6.12.91; 6.13 to before 6.18.33; 6.19 to before 7.0.10 Vulnerable ·Linux
Remediation
- Fix · CNA Linux (Linux) Fixed in 6.1.175, 6.6.141, 6.12.91, 6.18.33, 7.0.10, 7.1
Vendor assessments
Red Hat
Not affected: 5 products
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2026-53066
- 2026-10-03 Alias added: GHSA-7qff-cmg5-8pwm
References
Patch 6
- https://git.kernel.org/stable/c/ea51fd96aca01381e8f1ac0c671a57b7619193bb
- https://git.kernel.org/stable/c/cf615b90a11a39a28e313be5e508e94bcde72016
- https://git.kernel.org/stable/c/779c2f10743fc021f2f0ebe2b188cadfb973c5e4
- https://git.kernel.org/stable/c/47038159c559824f4dbfb5b0d87b9b3416663372
- https://git.kernel.org/stable/c/e9bef62f1bb9fcb38223730657af20f4c6283c16
- https://git.kernel.org/stable/c/06277983eca4a31d3c2114fa33d99a6e82484b11
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- TI-2013-01864 The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9… KEVCVSS 3.1HIGH 8.4
- TI-2021-05514 Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACE KEVCVSS 3.1HIGH 8.3
Sources
- CVE-2026-53066 · CVE Program
- CVE-2026-53066 · NVD
- FIRST EPSS
- GHSA-7qff-cmg5-8pwm · GitHub Advisory Database · CC BY 4.0
- CVE-2026-53066 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences