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 ↗

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

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