CVE-2026-97409 Linux Kernel nvme-fc - Denial of Service

Linux kernel nvme-fc contains a denial of service caused by aborting requests in uninitialized io tagset in __nvme_fc_abort_outstanding_ios(), letting attackers cause error recovery and connectivity loss, exploit requires triggering admin request timeout on a new nvme-fc controller.

CVSS base score 8.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.24% 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
24 September 2026
Updated
15 October 2026

Vendor fix

Update to the latest Linux kernel version containing the fix for __nvme_fc_abort_outstanding_ios() to ensure proper initialization checks.

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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