CVE record · CVE-2026-89447

iommufd: Avoid locking internal accesses during unmap

No CVSS scoreEPSS 0.0022 · 12th percentile

Published by the CVE Program (CNA: Linux) at 11 Sept 2026, 19:43 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 27b77ea5feaa8fcf385ea99ce757982b0ac9d1f0 to before 436189ee4bb2c7c993b945d68570dd38c3e4349e git affected 27b77ea5feaa8fcf385ea99ce757982b0ac9d1f0 to before 50a66a63d1c841ae6b28a4551f642c1bba4c9529 git affected 27b77ea5feaa8fcf385ea99ce757982b0ac9d1f0 to before 0dbcdf4473a614adbd732d567c9b39ac0e040e0c git Other versions: unaffected
Linux	Linux	affected 6.17 unaffected before 6.17 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-2026-89447
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

No source has published a CVSS score for this record yet.

CISA KEV Not listed.
EPSS 0.0022, the 12th 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.