CVE record · CVE-2026-89713

NFSD: check truncate permission under inode lock

CVSS 9.1 CriticalCriticalEPSS 0.0066 · 52nd percentile

Critical, because:

CVSS score 9.1: 9.0 or more.

Published by the CVE Program (CNA: Linux) at 11 Sept 2026, 19:46 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 783112f7401ff449d979530209b3f6c2594fdb4e to before 0669861a2e8e2bdb9c1149417d8ad821996ae4fe git affected 783112f7401ff449d979530209b3f6c2594fdb4e to before 52d0c5bdfe232c9974d4b11f97078b9c7814f05d git affected 783112f7401ff449d979530209b3f6c2594fdb4e to before 3afa17d93ba8c925f49370c816c6dae5112d8c24 git affected 783112f7401ff449d979530209b3f6c2594fdb4e to before d8352da196349182e1afd5a93308256cddc0a97d git affected 783112f7401ff449d979530209b3f6c2594fdb4e to before 44086254479035de42ca3d286ecf25521d4e6325 git affected 783112f7401ff449d979530209b3f6c2594fdb4e to before b778e0e0a16759f22a70579c3cf8d254a40d4a7f git affected 604a3c407026d6162d15300478e63f901e435efc git affected cc4d5dc73841b98d33cdfb9822d70b0aac4beca5 git affected 3ee4f442e5b37a537297b812557b1163f96b5399 git affected a3c6cbc4eac4473ed5461d5faae2794d3e5c0e44 git affected 982898d7f97a35447403c3fcecc0d96c646ce101 git affected 3.2.89 to before 3.3 semver and 4 more Other versions: unaffected
Linux	Linux	affected 4.11 unaffected before 4.11 semver unaffected 6.1.191 to 6.1., inclusive semver unaffected 6.6.160 to 6.6., inclusive semver unaffected 6.12.109 to 6.12., inclusive 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-2026-89713
CNA: Linux
Tags: Linux kernel
Published: 11 Sept 2026
Updated: 30 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
9.1	Critical	3.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H	CNA (Linux)

CISA KEV Not listed.
EPSS 0.0066, the 52nd 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.