CVE record · CVE-2026-89571

cxl/features: bound fwctl command payload to the input buffer

CVSS 7.1 HighEPSS 0.0016 · 5th percentile

Published by the CVE Program (CNA: Linux) at 11 Sept 2026, 19:44 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 eb5dfcb9e36d0e46089fec777d911313c1876fa3 to before 14d52c15d5d99477b20a2d61fe36f347080da6cd git affected eb5dfcb9e36d0e46089fec777d911313c1876fa3 to before d8957545fe96f7905791c937758ebfc1ae1e5b17 git affected eb5dfcb9e36d0e46089fec777d911313c1876fa3 to before f687394af983df5660b6afae7e0d06969f3af206 git Other versions: unaffected
Linux	Linux	affected 6.15 unaffected before 6.15 semver unaffected 6.18.50 to 6.18., inclusive semver unaffected 7.2.4 to 7.2., inclusive semver unaffected 7.3 to *, inclusive original_commit_for_fix Other versions: affected

Identifiers: CVE-2026-89571
CNA: Linux
Tags: Linux kernel
Published: 11 Sept 2026
Updated: 19 Oct 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
7.1	High	3.1	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H	CNA (Linux)

CISA KEV Not listed.
EPSS 0.0016, the 5th percentile, on 14 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 11 Sept 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.