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CVE record · CVE-2026-98559

net/smc: fix UAF on lgr list traversal in smcr_port_err()

No CVSS scoreEPSS 0.0021 · 11th 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 541afa10c126b6c22c2a805a559c70cc41fd156e to before 34bcf11cd2528ae00bb6d764d808083c66824277 git
  • affected 541afa10c126b6c22c2a805a559c70cc41fd156e to before 0edcc4284392b28826b5d37532b366b291e6e0fa git
  • affected 541afa10c126b6c22c2a805a559c70cc41fd156e to before 00a59600ae72d24859d0ad1783a78bc921bc2599 git
  • affected 541afa10c126b6c22c2a805a559c70cc41fd156e to before 3d35f069e1c119992000d51236dbe54da2d4e61e git
  • affected 541afa10c126b6c22c2a805a559c70cc41fd156e to before 3d65a2eb4449fc9658fb860dea893025d028d90e git
  • affected 541afa10c126b6c22c2a805a559c70cc41fd156e to before a9b968e42690d784c241a0761c10253271f7df5d git
  • affected 541afa10c126b6c22c2a805a559c70cc41fd156e to before 61cb282fe97b3b0ba32ca09417a693162bf4ae3f git
Other versions: unaffected
Linux Linux
  • affected 5.8
  • unaffected before 5.8 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-2026-98559
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 0.0021, the 11th 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.