NULL pointer dereference in Linux kernel - CVE-2026-93274
Published: September 25, 2026
Vulnerability identifier: #VU152127
CSH Severity: Low
CVSS v4: 5.7 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-93274
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to a null pointer dereference in bcm2835_pinctrl_probe() when handling a failed pin controller registration. A local user can trigger a failed pin controller registration to cause a denial of service.
Affected software
Linux kernel
How to mitigate CVE-2026-93274
Install security update from vendor's repository.
Linux kernel - update to 7.0 rc3
External References
- https://git.kernel.org/stable/c/32711f77db0641e57fd96fdc013bf1286b9f2514
- https://git.kernel.org/stable/c/3b978fd0a3092b25561ac26bc1a87149fa981ddc
- https://git.kernel.org/stable/c/68ea6dd23b732081826c36033835468383487864
- https://git.kernel.org/stable/c/727f043d699ab0d5d87122c2177f2b45fbe58d35
- https://git.kernel.org/stable/c/b8535f5c77cc61352d02a0c038a280127a8b8208
- https://git.kernel.org/stable/c/d428863ca8baa4e9eaf781266ac219b017dcf277
- https://git.kernel.org/stable/c/dd6b1919e41d1260259c4505777be565fb3a7efd
- https://git.kernel.org/stable/c/f494cfc254cd509d7cbc44b843e0a6602a520a33