CVE record · CVE-2026-98639

KVM: riscv: Fix NACL hfence entry update order

No CVSS scoreEPSS 0.0017 · 5th percentile

Published by the CVE Program (CNA: Linux) at 18 Oct 2026, 15:20 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 d466c19cead5904d4d5d92adb2b213b411d3b849 to before d6de766d8d26d71b714f548192099112def50a9c git affected d466c19cead5904d4d5d92adb2b213b411d3b849 to before 6da466502621381fa88a6684290923d25c559266 git affected d466c19cead5904d4d5d92adb2b213b411d3b849 to before b3d346838ec65fac7fd83f5dbcedd13cadfffddb git Other versions: unaffected
Linux	Linux	affected 6.13 unaffected before 6.13 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-2026-98639
CNA: Linux
Tags: Linux kernel
Published: 18 Oct 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 0.0017, the 5th percentile, on 7 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.