CVE-2026-89863 Linux Kernel qla2xxx - Denial of Service

Linux kernel contains a NULL pointer dereference caused by qla_chk_edif_rx_sa_delete_pending() dereferencing a NULL SCSI command pointer in qla2xxx driver, letting attackers cause a kernel crash (DoS), exploit requires crafted firmware status completion.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.67% 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:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
16 September 2026
Updated
15 October 2026

Vendor fix

Update to the latest Linux kernel version containing the fix.

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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