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CVE record · CVE-2026-80600

batman-adv: dat: acquire ARP hw source only after skb realloc

CVSS 9.8 CriticalCriticalEPSS 0.0073 · 54th percentile

Critical, because:

  • CVSS score 9.8: 9.0 or more.

How we decide what’s critical

Published by the CVE Program (CNA: Linux) at 28 Aug 2026, 06:48 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 b61ec31c85756bbc898fb892555509afe709459a to before a82fc217cb7a447313c76ebf9f09b100771b0ddf git
  • affected b61ec31c85756bbc898fb892555509afe709459a to before 86aa79b43e5b561fd3648891165bd7313b541315 git
  • affected b61ec31c85756bbc898fb892555509afe709459a to before d755cd001fa2c248e186c1fc3df3d11d97dc843c git
  • affected b61ec31c85756bbc898fb892555509afe709459a to before 3404be97b940a9b1ae1aea5fdbc6cdbbe9cd5146 git
  • affected b61ec31c85756bbc898fb892555509afe709459a to before 01678c53a7717a748aee388b6839e7b9761d641c git
  • affected b61ec31c85756bbc898fb892555509afe709459a to before 3b4c70c40f2e135a50cd38fc61c7d23a296a9981 git
  • affected b61ec31c85756bbc898fb892555509afe709459a to before 059a70e1d12d6d99310e0599d37b0323557569a8 git
  • affected b61ec31c85756bbc898fb892555509afe709459a to before 48067b2ae4504500a7093d9e1e16b42e70330480 git
Other versions: unaffected
Linux Linux
  • affected 5.1
  • unaffected before 5.1 semver
  • unaffected 5.10.261 to 5.10.*, inclusive semver
  • unaffected 5.15.212 to 5.15.*, inclusive semver
  • unaffected 6.1.178 to 6.1.*, inclusive semver
  • unaffected 6.6.145 to 6.6.*, inclusive semver
  • unaffected 6.12.97 to 6.12.*, inclusive semver
  • unaffected 6.18.40 to 6.18.*, inclusive semver
  • unaffected 7.1.5 to 7.1.*, inclusive semver
  • unaffected 7.2 to *, inclusive original_commit_for_fix
Other versions: affected
Identifiers
CVE-2026-80600
CNA
Linux
Tags
Published
28 Aug 2026
Updated
29 Aug 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
9.8 Critical 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CNA (Linux)
  • CISA KEV Not listed.
  • EPSS 0.0073, the 54th percentile, on 15 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 28 Aug 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.