---
title: "CVE-2026-93224: Linux Kernel svcrdma - Use After Free"
description: "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."
url: https://panop.io/threat-heartbeat/CVE-2026-93224/
---

# 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 ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-93224)

## 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

- [https://nvd.nist.gov/vuln/detail/CVE-2026-93224](https://nvd.nist.gov/vuln/detail/CVE-2026-93224)
- [https://git.kernel.org/stable/c/0335800071a6dfdf7d21d729b5e7d8fa98936211](https://git.kernel.org/stable/c/0335800071a6dfdf7d21d729b5e7d8fa98936211)
- [https://git.kernel.org/stable/c/26190394c64c9429481fc88a4738f70bb92fb352](https://git.kernel.org/stable/c/26190394c64c9429481fc88a4738f70bb92fb352)
- [https://git.kernel.org/stable/c/45a444a17240f4fa2235f0dfd4a96fc80f1eb2c2](https://git.kernel.org/stable/c/45a444a17240f4fa2235f0dfd4a96fc80f1eb2c2)
- [https://git.kernel.org/stable/c/5aabe070c00e5bdf4ab150fb5f72ad5f266d6241](https://git.kernel.org/stable/c/5aabe070c00e5bdf4ab150fb5f72ad5f266d6241)

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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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