CVE record · CVE-2026-89562

ip6_gre: fix hardware header length for NBMA tunnels

CVSS 7.8 HighEPSS 0.0013 · 2nd 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 832ba596494b2c9eac7760259eff2d8b7dcad0ee to before cb1afd087aedc90e5274537e4fb9bf3f98e5afdb git affected 832ba596494b2c9eac7760259eff2d8b7dcad0ee to before 7719f6e7ed2ffddc2c3bb61f4467b76d49e0af6a git affected 832ba596494b2c9eac7760259eff2d8b7dcad0ee to before b1e95e3602d8e112458627f14c6c31c21f2188cb git affected 832ba596494b2c9eac7760259eff2d8b7dcad0ee to before c3457a5aae5fb43f7023d3f3dc472c2afa22acf0 git affected 832ba596494b2c9eac7760259eff2d8b7dcad0ee to before 8bfe746afee38dd6e4348ddcd22d554789dbb9ff git affected 832ba596494b2c9eac7760259eff2d8b7dcad0ee to before b8282668d8fa7c61b80e8e4890729031c291a16c git affected 832ba596494b2c9eac7760259eff2d8b7dcad0ee to before 565038b0092f65afe384961c0f548d605bf438b9 git affected 832ba596494b2c9eac7760259eff2d8b7dcad0ee to before 505b6d296c486ef7d1274f279d4c43a172f63224 git affected cf3d9717a5271573fa193c4dfa0df856295d5b15 git affected 187a6daf5db45adc807c85bbe285319107bed198 git affected d9897bb66ce989325b4bf4cdbb6a799e4ac878b6 git affected 4.19.162 to before 4.20 semver and 2 more Other versions: unaffected
Linux	Linux	affected 5.10 unaffected before 5.10 semver unaffected 5.10.270 to 5.10., inclusive semver unaffected 5.15.221 to 5.15., inclusive semver unaffected 6.1.188 to 6.1., inclusive semver unaffected 6.6.157 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-2026-89562
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 0.0013, 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.