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CVE record · CVE-2026-98717

KVM: x86/mmu: Bail from shadow walks if the root is invalid or a dummy

No CVSS scoreEPSS 0.0020 · 9th percentile

Published by the CVE Program (CNA: Linux) at 18 Oct 2026, 15:46 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 0e3223d8d00ac05849661f1b8b476d3caca251cf to before 951fce1510645ba5df38da6fb85ece5726ec347d git
  • affected 0e3223d8d00ac05849661f1b8b476d3caca251cf to before e1bcabc07efd029ab414894127411129ffdb8b48 git
  • affected 0e3223d8d00ac05849661f1b8b476d3caca251cf to before 97c1dcce17ef27853860c781f9912257e6adbf7c git
  • affected 0e3223d8d00ac05849661f1b8b476d3caca251cf to before 681e31f03ec9219099a66a0f6e1bc48e1b5aa914 git
  • affected 0e3223d8d00ac05849661f1b8b476d3caca251cf to before b6249c1d5665098c8bf12f8d3e4712bf04c775bc git
Other versions: unaffected
Linux Linux
  • affected 6.6
  • unaffected before 6.6 semver
  • unaffected 6.6.160 to 6.6.*, inclusive semver
  • unaffected 6.12.113 to 6.12.*, inclusive semver
  • unaffected 6.18.56 to 6.18.*, inclusive semver
  • unaffected 7.2.10 to 7.2.*, inclusive semver
  • unaffected 7.3 to *, inclusive original_commit_for_fix
Other versions: affected
Identifiers
CVE-2026-98717
CNA
Linux
Tags
Published
18 Oct 2026
Updated
21 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 0.0020, the 9th percentile, on 6 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.