SB2026091718 - Race condition in Linux kernel soc codecs
Published: September 17, 2026
Security Bulletin ID
SB2026091718
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Race condition (CVE-ID: CVE-2026-89945)
CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CVSSv4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N]
The vulnerability allows a local user to cause improper hardware register operations.
The vulnerability exists due to a race condition in the cs35l34 runtime suspend handler when runtime power management suspends the codec while critical fault IRQs remain unmasked. A local user can trigger runtime power management to cause improper hardware register operations.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/07a86575edc308e66b6c8873ed4a93ef3a063e55
- https://git.kernel.org/stable/c/3be8380fb14d602cd833e5852e6d83c1e7eb1ceb
- https://git.kernel.org/stable/c/4105a4c0678b2808fc8046b60321b4f1cc7dae75
- https://git.kernel.org/stable/c/4fe8a91a9266f1321c2d31ce67940a4e8b93559e
- https://git.kernel.org/stable/c/5a4fe7a87841af23ba80bae31b80355b16926cf4
- https://git.kernel.org/stable/c/5b063739619990d5de0c94c85d6e5be14e7cbdfe
- https://git.kernel.org/stable/c/96982734e765c13c3db02067e1d5784682085f5c
- https://git.kernel.org/stable/c/f4bfd755c52dfa7584e6c9374206b71b8895c997