CVE record · CVE-2026-89915

KVM: arm64: Remove VM-wide VNCR mapping counter

CVSS 9.3 CriticalCriticalEPSS 0.0019 · 9th percentile

Critical, because:

CVSS score 9.3: 9.0 or more.

Published by the CVE Program (CNA: Linux) at 16 Sept 2026, 10:32 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 4ffa72ad8f37e73bbb6c0baa88557bcb4fd39929 to before 5453b85c7ebb605febac3df42021f9471663f051 git affected 4ffa72ad8f37e73bbb6c0baa88557bcb4fd39929 to before 87c2bbf189829dce4aaada8f82e3d54ccc037976 git affected 4ffa72ad8f37e73bbb6c0baa88557bcb4fd39929 to before c55bc773b6e814406658fae7dc5c15f639ed816e git Other versions: unaffected
Linux	Linux	affected 6.16 unaffected before 6.16 semver unaffected 6.18.52 to 6.18., inclusive semver unaffected 7.2.5 to 7.2., inclusive semver unaffected 7.3 to *, inclusive original_commit_for_fix Other versions: affected

Identifiers: CVE-2026-89915
CNA: Linux
Tags: Linux kernel
Published: 16 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
9.3	Critical	3.1	CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H	CNA (Linux)

CISA KEV Not listed.
EPSS 0.0019, the 9th percentile, on 15 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 16 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.