CVE record · CVE-2026-31635

rxrpc: fix oversized RESPONSE authenticator length check

CVSS 7.5 HighEPSS 0.010 · 63rd percentile

Published by the CVE Program (CNA: Linux) at 24 Apr 2026, 14:44 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Linux	Linux	affected 9d1d2b59341f58126a69b51f9f5f8ccb9f12e54a to before beee051f259acd286fed64c32c2b31e6f5097eb5 git affected 9d1d2b59341f58126a69b51f9f5f8ccb9f12e54a to before e2f1a80d8b1ed6a5ae585a399c2b46500bdcc305 git affected 9d1d2b59341f58126a69b51f9f5f8ccb9f12e54a to before a2567217ade970ecc458144b6be469bc015b23e5 git Other versions: unaffected
Linux	Linux	affected 6.16 unaffected before 6.16 semver unaffected 6.18.23 to 6.18., inclusive semver unaffected 6.19.13 to 6.19., inclusive semver unaffected 7.0 to *, inclusive original_commit_for_fix Other versions: affected

Identifiers: CVE-2026-31635
CNA: Linux
Weakness (CWE): CWE-130
Tags: Linux kernel
CWE-130
Published: 24 Apr 2026
Updated: 5 Aug 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
7.5	High	3.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	CNA (Linux)

CISA KEV Not listed.
EPSS 0.010, the 63rd percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 24 Apr 2026. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.