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CVE record · CVE-2026-80817

iommu/iommufd: Fix NULL pointer deref in iommufd_ioas_change_process when racing with iopt_map_file_pages

No CVSS scoreEPSS 0.0021 · 11th percentile

Published by the CVE Program (CNA: Linux) at 4 Sept 2026, 15:13 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
VendorProductVersions
Linux Linux
  • affected 829ed626499c11c9d11c65e93febc1e0da7cd61b to before 7596354148c5aa12dfaa17992d1aef1aa2ea831a git
  • affected 829ed626499c11c9d11c65e93febc1e0da7cd61b to before d9635e2507dc8260b9ba9992a4198e84f9340a15 git
  • affected 829ed626499c11c9d11c65e93febc1e0da7cd61b to before ffe6d379be20df013e19a4c63dd80bc6b683106d git
  • affected 829ed626499c11c9d11c65e93febc1e0da7cd61b to before d616de490ec0242dcf78f02f1adf7baa035c4d0d git
Other versions: unaffected
Linux Linux
  • affected 6.13
  • unaffected before 6.13 semver
  • unaffected 6.18.47 to 6.18.*, inclusive semver
  • unaffected 7.1.11 to 7.1.*, inclusive semver
  • unaffected 7.2.1 to 7.2.*, inclusive semver
  • unaffected 7.3 to *, inclusive original_commit_for_fix
Other versions: affected
Identifiers
CVE-2026-80817
CNA
Linux
Tags
Published
4 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 0.0021, the 11th 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 4 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.