CVE record · CVE-2026-98471

KVM: SEV: Do cache maintenance on the source VM during intra-host migration

CVSS 7.1 HighEPSS 0.0016 · 4th percentile

Published by the CVE Program (CNA: Linux) at 18 Oct 2026, 15:15 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 b56639318bb2be66aceba92836279714488709b4 to before 37dfb676fafd1eef36fe0bb649607afbb0d5521b git
  • affected b56639318bb2be66aceba92836279714488709b4 to before d4cc2dff12116a700add601c0262132cc26e1b2c git
  • affected b56639318bb2be66aceba92836279714488709b4 to before 93de2a6a4b91b72607136dd656edf03fb399d27f git
Other versions: unaffected
Linux Linux
  • affected 5.16
  • unaffected before 5.16 semver
  • unaffected 6.18.55 to 6.18.*, inclusive semver
  • unaffected 7.2.9 to 7.2.*, inclusive semver
  • unaffected 7.3 to *, inclusive original_commit_for_fix
Other versions: affected
Identifiers
CVE-2026-98471
CNA
Linux
Published
18 Oct 2026
Updated
24 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

ScoreRatingCVSSVectorSource
7.1 High 3.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H CNA (Linux)
  • CISA KEV Not listed.
  • EPSS 0.0016, the 4th percentile, on 8 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 18 Oct 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.