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CVE record · CVE-2026-89923

KVM: s390: Free guest debug data on vcpu destroy

No CVSS scoreEPSS 0.0022 · 12th percentile

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
VendorProductVersions
Linux Linux
  • affected 27291e2165b6de70c476b7b675308113edd69a60 to before 053f2068cf9b0654b651fed5ad7649d3deb982bf git
  • affected 27291e2165b6de70c476b7b675308113edd69a60 to before 6c996b12bbe4a6023076e8eee3cfaf2cc99db76c git
  • affected 27291e2165b6de70c476b7b675308113edd69a60 to before d6280fc540d8f4653c9b54a78cb747e128070f5e git
  • affected 27291e2165b6de70c476b7b675308113edd69a60 to before 544a5a665019cef394ce8bda97fa7a2cab253781 git
  • affected 27291e2165b6de70c476b7b675308113edd69a60 to before 9a32c4c6a6c23b7f5bf765eb5b83ba7f64a8ec63 git
  • affected 27291e2165b6de70c476b7b675308113edd69a60 to before b5acacfdb8966abff91836c1c5bd7da59d8a526e git
  • affected 27291e2165b6de70c476b7b675308113edd69a60 to before e4d8b7f176b976474e0800ba71ee2dfa3ce263c9 git
  • affected 27291e2165b6de70c476b7b675308113edd69a60 to before e7f698b09d4a7c36b299acf680fc50fe868e2bcd git
Other versions: unaffected
Linux Linux
  • affected 3.16
  • unaffected before 3.16 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 6.12.110 to 6.12.*, inclusive semver
  • unaffected 6.18.51 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-2026-89923
CNA
Linux
Tags
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

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

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