CVE record · CVE-2026-98432

ipv4: free inet_opt and ireq_opt after an RCU grace period

CVSS 9.8 CriticalCriticalEPSS 0.0076 · 55th 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 15 Oct 2026, 12:08 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 079096f103faca2dd87342cca6f23d4b34da8871 to before b3b027ef0cd322bfa839b9aaf5b27551eea54cf6 git
  • affected 079096f103faca2dd87342cca6f23d4b34da8871 to before 95a8c8fa9f27dce64c40c41c062de7728bf34ab5 git
  • affected 079096f103faca2dd87342cca6f23d4b34da8871 to before 89b5b1eb7d633c33832b7ff2c02e19a144705036 git
  • affected 079096f103faca2dd87342cca6f23d4b34da8871 to before 742f73df544e03744f2981c467d6542fe8172a2a git
  • affected 079096f103faca2dd87342cca6f23d4b34da8871 to before 11a03ce3c4a62d84c10ccdfe47f8075006498568 git
  • affected 079096f103faca2dd87342cca6f23d4b34da8871 to before a47406c769f72c070386985488f1c4d057df86b2 git
  • affected 079096f103faca2dd87342cca6f23d4b34da8871 to before 26d4c36d318cffbbd160884a0e4cec0da4da4936 git
  • affected 079096f103faca2dd87342cca6f23d4b34da8871 to before e3f33b0a1d89d738e2b913dab519226eaf76e15b git
Other versions: unaffected
Linux Linux
  • affected 4.4
  • unaffected before 4.4 semver
  • unaffected 5.10.272 to 5.10.*, inclusive semver
  • unaffected 5.15.223 to 5.15.*, inclusive semver
  • unaffected 6.1.190 to 6.1.*, inclusive semver
  • unaffected 6.6.159 to 6.6.*, inclusive semver
  • unaffected 6.12.113 to 6.12.*, inclusive semver
  • unaffected 6.18.56 to 6.18.*, inclusive semver
  • unaffected 7.2.10 to 7.2.*, inclusive semver
  • unaffected 7.3 to *, inclusive original_commit_for_fix
Other versions: affected
Identifiers
CVE-2026-98432
CNA
Linux
Published
15 Oct 2026
Updated
3 Nov 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 0.0076, the 55th percentile, on 8 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 15 Oct 2026, 12:08 UTC Confirmed by the CVE List
  2. 15 Oct 2026, 13:17 UTC Confirmed by NVD

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.