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CVE record · CVE-2026-98981

namespace: unhash a dentry before detaching the mounts on it

CVSS 8.8 HighEPSS 0.0016 · 5th 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 b3fa3811ffffa130586c4ff8f7299b7fc69216d5 git
  • affected 8ed936b5671bfb33d89bc60bdcc7cf0470ba52fe to before 97cc290c57ea04337fd33912d780367add41525c git
  • affected 8ed936b5671bfb33d89bc60bdcc7cf0470ba52fe to before bb917ec497f6099c6cb9375596e085a5f6b52ff2 git
  • affected 8ed936b5671bfb33d89bc60bdcc7cf0470ba52fe to before db90eecbde319527aa9480c039d32a0f5fe80574 git
  • affected 8ed936b5671bfb33d89bc60bdcc7cf0470ba52fe to before 8d71bfc9b3fc15d7103e82ea9dc5057541866e46 git
  • affected 8ed936b5671bfb33d89bc60bdcc7cf0470ba52fe to before d29cd99db3db74cf3447be74d25740981789d461 git
  • affected 8ed936b5671bfb33d89bc60bdcc7cf0470ba52fe to before 8300de4aa5d09061bfcf2af5b52c0cdba3873185 git
  • affected 8ed936b5671bfb33d89bc60bdcc7cf0470ba52fe to before 528b383dc35d1e5caf64ddf5d35f983ae543b0d0 git
Other versions: unaffected
Linux Linux
  • affected 3.18
  • unaffected before 3.18 semver
  • unaffected 5.10.273 to 5.10.*, inclusive semver
  • unaffected 5.15.224 to 5.15.*, inclusive semver
  • unaffected 6.1.191 to 6.1.*, inclusive semver
  • unaffected 6.6.160 to 6.6.*, inclusive semver
  • unaffected 6.12.114 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-2026-98981
CNA
Linux
Tags
Published
23 Oct 2026
Updated
30 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 0.0016, the 5th 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 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.