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CVE record · CVE-2026-98992

namespace: don't copy an unmounted mount tree

No CVSS scoreEPSS 0.0018 · 7th percentile

Published by the CVE Program (CNA: Linux) at 23 Oct 2026, 12:20 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
VendorProductVersions
Linux Linux
  • affected e149ed2b805fefdccf7ccdfc19eca22fdd4514ac to before 94d05b62dc7aea236db20166e79ee002e466393a git
  • affected e149ed2b805fefdccf7ccdfc19eca22fdd4514ac to before 07c6a8f004bcc58b4ccf993e6efa7b9b8b4a1b8b git
  • affected e149ed2b805fefdccf7ccdfc19eca22fdd4514ac to before 31cf157298271392ab5fb0805b28d37c8d7a8057 git
  • affected e149ed2b805fefdccf7ccdfc19eca22fdd4514ac to before 86a2d56b1960720bf1844441c0890621e9db2f25 git
  • affected e149ed2b805fefdccf7ccdfc19eca22fdd4514ac to before 7e037b1fd339d865737c8accd29abcf40130a5a0 git
  • affected e149ed2b805fefdccf7ccdfc19eca22fdd4514ac to before b47b40c4f058418f9707454543179df240796aad git
  • affected e149ed2b805fefdccf7ccdfc19eca22fdd4514ac to before 8d3527457e183cedee3003c2897314da49488311 git
  • affected e149ed2b805fefdccf7ccdfc19eca22fdd4514ac to before 8bacbf6be959973b28b691713a872c12eae69eec git
Other versions: unaffected
Linux Linux
  • affected 3.19
  • unaffected before 3.19 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 6.12.113 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-2026-98992
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

No source has published a CVSS score for this record yet.

  • CISA KEV Not listed.
  • EPSS 0.0018, the 7th 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.