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CVE record · CVE-2026-98980

namei: don't reveal overmounted entries in refwalk

CVSS 8.8 HighEPSS 0.0018 · 7th percentile

Published by the CVE Program (CNA: Linux) at 23 Oct 2026, 12:19 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 8ed936b5671bfb33d89bc60bdcc7cf0470ba52fe to before e2b10181d913b4efa3a8dc67a532f859aa5f95e0 git
  • affected 8ed936b5671bfb33d89bc60bdcc7cf0470ba52fe to before 5f97df8ca7fadf5b53954f50073445ba193902c0 git
  • affected 8ed936b5671bfb33d89bc60bdcc7cf0470ba52fe to before b43ff2deef48260bfbdc0dcb520f7929bd3e4007 git
  • affected 8ed936b5671bfb33d89bc60bdcc7cf0470ba52fe to before 8189ab688f5a2c745dc90b63374da02f213d6994 git
Other versions: unaffected
Linux Linux
  • affected 3.18
  • unaffected before 3.18 semver
  • unaffected 6.12.113 to 6.12.*, inclusive semver
  • unaffected 6.18.57 to 6.18.*, inclusive semver
  • unaffected 7.2.11 to 7.2.*, inclusive semver
  • unaffected 7.3 to *, inclusive original_commit_for_fix
Other versions: affected
Identifiers
CVE-2026-98980
CNA
Linux
Tags
Published
23 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
8.8 High 3.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H CNA (Linux)
  • CISA KEV Not listed.
  • EPSS 0.0018, the 7th 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 23 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.