SB2026081660 - Improper handling of exceptional conditions in Linux kernel regulator driver
Published: August 16, 2026
Security Bulletin ID
SB2026081660
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper handling of exceptional conditions (CVE-ID: CVE-2026-72314)
CWE-ID: CWE-755 - Improper Handling of Exceptional Conditions
CVSSv4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to improper exception handling in regulator_lock_two() when handling lock contention between two regulators. A local user can trigger lock contention to cause a denial of service.
This issue is exploitable in practice on MIPS systems.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/0c305eac40470a224671858a215963b070f9b2a9
- https://git.kernel.org/stable/c/153d1b8b5bc30847eb70ad535f62f289aa9217e6
- https://git.kernel.org/stable/c/29a7953e9adea6c7f9e64947745b79158e7cea7f
- https://git.kernel.org/stable/c/346e2d666a29ae7233c56b356a0487eb1d42589b
- https://git.kernel.org/stable/c/8e39aa63798ea0a797fd9341419f12ef91df3238
- https://git.kernel.org/stable/c/d38f8bd771c4999b797d7074b348cf201414bd34
- https://git.kernel.org/stable/c/dc804f390fddd9c389edf0976356942e16878d8f
- https://git.kernel.org/stable/c/e2063307ea3b6da74585129ba7b588e8243e2ef0