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CVE record · CVE-2026-98554

vlan: ensure sufficient headroom in vlan_dev_hard_header()

No CVSS scoreEPSS 0.0022 · 12th percentile

Published by the CVE Program (CNA: Linux) at 18 Oct 2026, 15:18 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 55e007fc3b4d76fa4d6b4660f6904fe6ab045a1b git
  • affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 5aca8e6a8ff6aeae358c1d9b65447aac416ace95 git
  • affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 4ba1f57313f36a3ce6f77d593548f0c511f34aa1 git
  • affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before ca797491f0ae4bfde9039f79f6f1ed7781c9110f git
  • affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before cfba0f45553de2b803059e3d539a1e418df24da8 git
  • affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before c7ee4bea64f559ea8e03260014775b64c720cb5b git
  • affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 90d51095371d96747f45bbd8504edf6513e039ef git
  • affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before cd5dd68267c4238795fadaf02b3575ca3f8a6500 git
Other versions: unaffected
Linux Linux
  • affected 2.6.12
  • unaffected before 2.6.12 semver
  • unaffected 5.10.271 to 5.10.*, inclusive semver
  • unaffected 5.15.222 to 5.15.*, inclusive semver
  • unaffected 6.1.189 to 6.1.*, inclusive semver
  • unaffected 6.6.158 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-2026-98554
CNA
Linux
Tags
Published
18 Oct 2026
Updated
19 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 0.0022, the 12th percentile, on 7 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 18 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.