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CVE record · CVE-2026-98438

mptcp: options: fix uninit-value in mptcp_write_data_fin

No CVSS scoreEPSS 0.0014 · 3rd percentile

Published by the CVE Program (CNA: Linux) at 18 Oct 2026, 14:45 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 cfcceb7a39fc10a6f896af8229bf81d96acb22cc to before 9a682067dd7b9dce6b94a0a05661dcc921446402 git
  • affected cfcceb7a39fc10a6f896af8229bf81d96acb22cc to before b110f1dd6cb6a9930503354a01a315e0a821eaa7 git
Other versions: unaffected
Linux Linux
  • affected 7.1
  • unaffected before 7.1 semver
  • unaffected 7.2.7 to 7.2.*, inclusive semver
  • unaffected 7.3 to *, inclusive original_commit_for_fix
Other versions: affected
Identifiers
CVE-2026-98438
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 0.0014, the 3rd 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 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.