CVE-2026-31632: rxrpc: Fix leak of rxgk context in rxgk_verify_response()

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-04-24 · updated 2026-06-17
Weakness: CWE-401

Description

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix leak of rxgk context in rxgk_verify_response() Fix rxgk_verify_response() to clean up the rxgk context it creates.

Affected products

Linux kernel: from 6.16.1 before 6.18.23; from 6.19 before 6.19.13; 6.16, 7.0-rc1, 7.0-rc2, 7.0-rc3, 7.0-rc4, 7.0-rc5 (+2) — fixed in 6.18.23, 6.19.13

How to fix

Upgrade to a fixed version: Linux kernel 6.18.23, 6.19.13. Check the vendor advisory for mitigations.

References

https://git.kernel.org/stable/c/1bd3d01378c1f9ecd313d394b51c808c1f418615
https://git.kernel.org/stable/c/4b5e8365515f4409de7d3b92a439154ee4f90f6d
https://git.kernel.org/stable/c/7e1876caa8363056f58a21d3b31b82c2daf7e608

Get alerted when CVE-2026-31632 or the next vulnerability affects your stack