CVE record · CVE-2026-98447

xfs: fix wild memcpy access when formatting ondisk rtrefcount btree roots

No CVSS scoreEPSS 0.0017 · 5th percentile

Published by the CVE Program (CNA: Linux) at 18 Oct 2026, 15:14 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 f0415af60f482a2192065be8b334b409495ca8a3 to before d46492fb8018d12d00651b06b9d240e747110b38 git
  • affected f0415af60f482a2192065be8b334b409495ca8a3 to before 2703b954d306ebfe3b11e33e259759329c11b690 git
  • affected f0415af60f482a2192065be8b334b409495ca8a3 to before fe2f9135df43db849e74f03956d322ac20b59af7 git
Other versions: unaffected
Linux Linux
  • affected 6.14
  • unaffected before 6.14 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-2026-98447
CNA
Linux
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 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.