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CVE record · CVE-2026-98377

vlan: require the MAC header to be present in __vlan_insert_inner_tag()

No CVSS scoreEPSS 0.0017 · 6th percentile

Published by the CVE Program (CNA: Linux) at 9 Oct 2026, 07:34 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 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 12295e0728488105b152b57fe8bc5e86f1d21a73 git
  • affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before aecace4ef31bd4e8ca1f224280ab52a457b0dc9a git
  • affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 50a958f865173e8752ff07bf0eff7b55cdeb5d74 git
  • affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 3d531429524df2c7116579306640283fea68bcf0 git
  • affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 40a5cc4b7251c74f3341332a226d02200e96bccf git
  • affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before f42562dd027dc4ed103fae17b2206e73ea1963c4 git
  • affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 59af43ccece4d2d8b62e9e3ccc96b6e2e793bcdc git
  • affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before ab888242fce4f16f6c4d4c6ec53939ad36aa3b3a git
Other versions: unaffected
Linux Linux
  • affected 2.6.12
  • unaffected before 2.6.12 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 6.12.112 to 6.12.*, inclusive 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-2026-98377
CNA
Linux
Tags
Published
9 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 0.0017, the 6th 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 9 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.