SB20260917111 - Race condition in Linux kernel scsi qla2xxx driver



SB20260917111 - Race condition in Linux kernel scsi qla2xxx driver

Published: September 17, 2026

Security Bulletin ID SB20260917111
CSH Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Adjecent network
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Race condition (CVE-ID: CVE-2026-89860)

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

CVSSv4: 8.7 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to corrupt workqueue state, causing system crashes or a looping worker.

The vulnerability exists due to a race condition in the qla2xxx NVMe abort work handling when multiple aborts are issued for the same command while its abort work item is queued. A remote attacker can trigger repeated aborts for the same command to corrupt workqueue state, causing system crashes or a looping worker.


Remediation

Install update from vendor's website.