SB20260827119 - Race condition in Linux kernel scsi

Description

This security bulletin contains information about 1 vulnerability.

1) Race condition (CVE-ID: CVE-2026-74754)

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

CVSSv4: 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]

The vulnerability allows a local user to cause a denial of service.

The vulnerability exists due to a race condition in the scsi error handler when handling error recovery concurrently with power management state changes. A local user can trigger error handling during power management operations to cause a denial of service.

The issue can leave an unmatched runtime power management put operation and trigger a runtime power management usage count underflow.

Remediation

Install update from vendor's website.

References

• https://git.kernel.org/stable/c/872f486259ae0bc6b73ca4735a15d013241f73e9
• https://git.kernel.org/stable/c/e83eed1bea142c8fe852fd53156845b88252ecd8