CVE-2026-93224 Linux Kernel svcrdma - Use After Free

Linux kernel svcrdma contains a resource management vulnerability caused by unmatched rn_unregister calls on failed svc_rdma_accept(), letting attackers cause resource leaks and potential use-after-free, exploit requires triggering failed RDMA accept.

CVSS base score 8.1 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.45% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Use After Free
Impact
Denial Of Service
CVSS vector
CVSS:3.1/AV:N/AC:H/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 unmatched rn_unregister on failed accept.

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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