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CVE record · CVE-2026-98993

namespace: don't inherit MNT_UMOUNT in clone_mnt()

CVSS 7.8 HighEPSS 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 590ce4bcbfb4e0462a720a4ad901e84416080bba to before b201d59d047a5e05728c10864a56bdb67950d0b1 git
  • affected 590ce4bcbfb4e0462a720a4ad901e84416080bba to before de098fb4594f8724fa286f08c7f42837bc19b478 git
  • affected 590ce4bcbfb4e0462a720a4ad901e84416080bba to before fc1f3a476c35164c1beed7090fc0e630f52d778e git
  • affected 590ce4bcbfb4e0462a720a4ad901e84416080bba to before 99698cfa34e493fc091219056aae446fe9442a96 git
  • affected 590ce4bcbfb4e0462a720a4ad901e84416080bba to before c26c1a91ad2881a194f7af543e0b57f0870006b2 git
  • affected 590ce4bcbfb4e0462a720a4ad901e84416080bba to before eecc9cd0fc07dba3f7fb0b2f844b4029435a2f7b git
  • affected 590ce4bcbfb4e0462a720a4ad901e84416080bba to before 5077b52e9e4d72da53c50251296b99cd416765a1 git
  • affected 590ce4bcbfb4e0462a720a4ad901e84416080bba to before e2c6d326216642011da318b9edfd5d57ebd5a56f git
  • affected 7052e71b2d085f76800115d4a212dcaf82b86262 git
  • affected 4.0.2 to before 4.1 semver
Other versions: unaffected
Linux Linux
  • affected 4.1
  • unaffected before 4.1 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-2026-98993
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
7.8 High 3.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CNA (Linux)
  • 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.