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CVE record · CVE-2026-80846

xfrm: drop ESP-in-TCP packets with no ingress device

No CVSS scoreEPSS 0.0019 · 9th percentile

Published by the CVE Program (CNA: Linux) at 4 Sept 2026, 15:54 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 e27cca96cd68fa2c6814c90f9a1cfd36bb68c593 to before 239d0f71af09dc2029fd4d730cb24b8c83aaa43a git
  • affected e27cca96cd68fa2c6814c90f9a1cfd36bb68c593 to before f00235f9d12301183d61f75fbe4105506f3e5140 git
  • affected e27cca96cd68fa2c6814c90f9a1cfd36bb68c593 to before 6af5cdb03819a5ce6e945992635c6c5e91045367 git
  • affected e27cca96cd68fa2c6814c90f9a1cfd36bb68c593 to before 2dd1609cadff46c4b20ce53b91ab9cce1380456a git
  • affected e27cca96cd68fa2c6814c90f9a1cfd36bb68c593 to before c296d25efbc840be24de83f56d43bc47e714ace9 git
  • affected e27cca96cd68fa2c6814c90f9a1cfd36bb68c593 to before 328e40aa774b446969c69b654c52a051a95af8a1 git
  • affected e27cca96cd68fa2c6814c90f9a1cfd36bb68c593 to before 7911e0236616487b89db6bd3ba3f408abd10eb23 git
  • affected e27cca96cd68fa2c6814c90f9a1cfd36bb68c593 to before 943d95233b8b4a88994e244fcf466f8c403d63f1 git
  • affected e27cca96cd68fa2c6814c90f9a1cfd36bb68c593 to before e1d7c5ac1c246ce5775f604515de0a59fbf2116e git
Other versions: unaffected
Linux Linux
  • affected 5.6
  • unaffected before 5.6 semver
  • unaffected 5.10.269 to 5.10.*, inclusive semver
  • unaffected 5.15.220 to 5.15.*, inclusive semver
  • unaffected 6.1.187 to 6.1.*, inclusive semver
  • unaffected 6.6.156 to 6.6.*, inclusive semver
  • unaffected 6.12.108 to 6.12.*, inclusive semver
  • unaffected 6.18.49 to 6.18.*, inclusive semver
  • unaffected 7.1.13 to 7.1.*, inclusive semver
  • unaffected 7.2.3 to 7.2.*, inclusive semver
  • unaffected 7.3 to *, inclusive original_commit_for_fix
Other versions: affected
Identifiers
CVE-2026-80846
CNA
Linux
Tags
Published
4 Sept 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 0.0019, the 9th percentile, on 14 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 4 Sept 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.