---
title: "CVE-2026-89860: Linux Kernel qla2xxx - Denial of Service"
description: "Linux kernel scsi qla2xxx contains a denial of service caused by reinitializing work_struct in abort_work leading to workqueue corruption and crashes, letting attackers cause system crashes, exploit requires triggering multiple aborts on the same command."
url: https://panop.io/threat-heartbeat/CVE-2026-89860/
---

# CVE-2026-89860 Linux Kernel qla2xxx - Denial of Service

Linux kernel scsi qla2xxx contains a denial of service caused by reinitializing work\_struct in abort\_work leading to workqueue corruption and crashes, letting attackers cause system crashes, exploit requires triggering multiple aborts on the same command.

CVSS base score 8.8 /10

High

CISA KEV

Not listed

Public exploit

None known

EPSS

0.33% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-89860)

## Details

Type

Denial of Service

Impact

Denial Of Service

CVSS vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Published

16 September 2026

Updated

15 October 2026

## Vendor fix

Update to the latest Linux kernel version with the fix for qla2xxx abort\_work initialization.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-89860](https://nvd.nist.gov/vuln/detail/CVE-2026-89860)
- [https://git.kernel.org/stable/c/67f0d5187c29360388f7e1e503c627ec45d01089](https://git.kernel.org/stable/c/67f0d5187c29360388f7e1e503c627ec45d01089)
- [https://git.kernel.org/stable/c/6a1b50c4879c2e6a034e8e85f9c055f0eea157c7](https://git.kernel.org/stable/c/6a1b50c4879c2e6a034e8e85f9c055f0eea157c7)
- [https://git.kernel.org/stable/c/7e85f6dbc85616de2172bce8eaf84b387a723cd1](https://git.kernel.org/stable/c/7e85f6dbc85616de2172bce8eaf84b387a723cd1)
- [https://git.kernel.org/stable/c/b403700ac62fbf3c310196386e125879a182efcf](https://git.kernel.org/stable/c/b403700ac62fbf3c310196386e125879a182efcf)
- [https://git.kernel.org/stable/c/f4aaa4a4e6f1da6f3abfd80e1917bef922287177](https://git.kernel.org/stable/c/f4aaa4a4e6f1da6f3abfd80e1917bef922287177)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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