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CVE record · CVE-2026-80848

xfrm: espintcp: fix UAF during close

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 29121c5e6591da527e8e36ddac7120dc527f574d git
  • affected e27cca96cd68fa2c6814c90f9a1cfd36bb68c593 to before ed5d9102190c45fc70121c036b0626b740040b75 git
  • affected e27cca96cd68fa2c6814c90f9a1cfd36bb68c593 to before 4bc0dfa28dca6fc0084203732695968049c44072 git
  • affected e27cca96cd68fa2c6814c90f9a1cfd36bb68c593 to before ff8dd7a932f34409a56e1b91a1219340f17457e9 git
  • affected e27cca96cd68fa2c6814c90f9a1cfd36bb68c593 to before 4b31a875693c480c611519faca46216514e3e052 git
  • affected e27cca96cd68fa2c6814c90f9a1cfd36bb68c593 to before 24efebecf415ba264adba0f0491cec436463a14f git
  • affected e27cca96cd68fa2c6814c90f9a1cfd36bb68c593 to before eb3bbf29c723fe75c0eb92be14f0ec92971fe272 git
  • affected e27cca96cd68fa2c6814c90f9a1cfd36bb68c593 to before 54b41ad14da9a981131ab6e4d3f79321a503ea5d git
  • affected e27cca96cd68fa2c6814c90f9a1cfd36bb68c593 to before deb232e884877bf10b4ce2580909eedec986c284 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-2026-80848
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.