CVE-2026-53066
drm/sun4i: backend: fix error pointer dereference
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()
INFO
Published Date :
June 24, 2026, 5:17 p.m.
Last Modified :
July 21, 2026, 5:37 p.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Update the Linux kernel to the patched version.
- Ensure error pointers are checked before dereferencing.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-53066.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-53066 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-53066
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-53066 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-53066 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Jul. 21, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Added CWE CWE-476 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2 up to (excluding) 6.6.141 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.7 up to (excluding) 6.12.91 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.13 up to (excluding) 6.18.33 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.19 up to (excluding) 7.0.10 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.17 up to (excluding) 6.1.175 Added Reference Type kernel.org: https://git.kernel.org/stable/c/06277983eca4a31d3c2114fa33d99a6e82484b11 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/47038159c559824f4dbfb5b0d87b9b3416663372 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/779c2f10743fc021f2f0ebe2b188cadfb973c5e4 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/cf615b90a11a39a28e313be5e508e94bcde72016 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/e9bef62f1bb9fcb38223730657af20f4c6283c16 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/ea51fd96aca01381e8f1ac0c671a57b7619193bb Types: Patch -
New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Jun. 24, 2026
Action Type Old Value New Value Added Affected [{'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '96180dde23b799272ab2e7d47210c8840799d0d2', 'lessThan': 'ea51fd96aca01381e8f1ac0c671a57b7619193bb', 'versionType': 'git'}, {'status': 'affected', 'version': '96180dde23b799272ab2e7d47210c8840799d0d2', 'lessThan': 'cf615b90a11a39a28e313be5e508e94bcde72016', 'versionType': 'git'}, {'status': 'affected', 'version': '96180dde23b799272ab2e7d47210c8840799d0d2', 'lessThan': '779c2f10743fc021f2f0ebe2b188cadfb973c5e4', 'versionType': 'git'}, {'status': 'affected', 'version': '96180dde23b799272ab2e7d47210c8840799d0d2', 'lessThan': '47038159c559824f4dbfb5b0d87b9b3416663372', 'versionType': 'git'}, {'status': 'affected', 'version': '96180dde23b799272ab2e7d47210c8840799d0d2', 'lessThan': 'e9bef62f1bb9fcb38223730657af20f4c6283c16', 'versionType': 'git'}, {'status': 'affected', 'version': '96180dde23b799272ab2e7d47210c8840799d0d2', 'lessThan': '06277983eca4a31d3c2114fa33d99a6e82484b11', 'versionType': 'git'}], 'programFiles': ['drivers/gpu/drm/sun4i/sun4i_backend.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '4.17'}, {'status': 'unaffected', 'version': '0', 'lessThan': '4.17', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '6.1.175', 'versionType': 'semver', 'lessThanOrEqual': '6.1.*'}, {'status': 'unaffected', 'version': '6.6.141', 'versionType': 'semver', 'lessThanOrEqual': '6.6.*'}, {'status': 'unaffected', 'version': '6.12.91', 'versionType': 'semver', 'lessThanOrEqual': '6.12.*'}, {'status': 'unaffected', 'version': '6.18.33', 'versionType': 'semver', 'lessThanOrEqual': '6.18.*'}, {'status': 'unaffected', 'version': '7.0.10', 'versionType': 'semver', 'lessThanOrEqual': '7.0.*'}, {'status': 'unaffected', 'version': '7.1', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['drivers/gpu/drm/sun4i/sun4i_backend.c'], 'defaultStatus': 'affected'}] Added 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() Added Reference https://git.kernel.org/stable/c/06277983eca4a31d3c2114fa33d99a6e82484b11 Added Reference https://git.kernel.org/stable/c/47038159c559824f4dbfb5b0d87b9b3416663372 Added Reference https://git.kernel.org/stable/c/779c2f10743fc021f2f0ebe2b188cadfb973c5e4 Added Reference https://git.kernel.org/stable/c/cf615b90a11a39a28e313be5e508e94bcde72016 Added Reference https://git.kernel.org/stable/c/e9bef62f1bb9fcb38223730657af20f4c6283c16 Added Reference https://git.kernel.org/stable/c/ea51fd96aca01381e8f1ac0c671a57b7619193bb