Race condition in Linux kernel - CVE-2026-89860
Published: September 17, 2026
Vulnerability identifier: #VU150433
CSH Severity: High
CVSS v4: 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]
CVE-ID: CVE-2026-89860
CWE-ID: CWE-362
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
Linux kernel
How to mitigate CVE-2026-89860
Install security update from vendor's repository.
External References
- https://git.kernel.org/stable/c/67f0d5187c29360388f7e1e503c627ec45d01089
- https://git.kernel.org/stable/c/6a1b50c4879c2e6a034e8e85f9c055f0eea157c7
- https://git.kernel.org/stable/c/7e85f6dbc85616de2172bce8eaf84b387a723cd1
- https://git.kernel.org/stable/c/b403700ac62fbf3c310196386e125879a182efcf
- https://git.kernel.org/stable/c/f4aaa4a4e6f1da6f3abfd80e1917bef922287177