CVE record · CVE-2026-89600

fanotify: fix use-after-free of file range info

CVSS 7.8 HighEPSS 0.0012 · 2nd percentile

Published by the CVE Program (CNA: Linux) at 11 Sept 2026, 19:45 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 870499bc1d4dc04cba1f63dd5e7bc02b983e2458 to before 66aa9a9e6481bfa512ee5b6380eaaec455a954d2 git affected 870499bc1d4dc04cba1f63dd5e7bc02b983e2458 to before b8f73b163b646bc56d4dce9c697a578e333f4894 git affected 870499bc1d4dc04cba1f63dd5e7bc02b983e2458 to before d7f1cf5be33ef0175a4e8ed8687aeb98fb00a851 git Other versions: unaffected
Linux	Linux	affected 6.14 unaffected before 6.14 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-2026-89600
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
7.8	High	3.1	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	CNA (Linux)

CISA KEV Not listed.
EPSS 0.0012, the 2nd 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.