CVE-2026-98432 is a use-after-free in the IPv4 TCP path, reachable with a SYN packet carrying an IP option almost nobody uses. The only score on the record is the kernel's own, and it comes with a justification for every metric.
1 article — 2026-11-04
NOT IN CISA KEV — CATALOG 2026.11.03
Authoritative record
Root Notes reports on this identifier; it does not maintain it. For the vendor advisory, the affected versions and the scoring, NVD and MITRE hold the primary records.
Not listed in CISA's Known Exploited Vulnerabilities catalog as of catalog 2026.11.03. That is not evidence it is not being exploited — the catalog records what CISA has confirmed, and identifiers have been attacked for days before appearing in it.
CVE-2026-98432 is a use-after-free in the IPv4 TCP path, reachable with a SYN packet carrying an IP option almost nobody uses. The only score on the record is the kernel's own, and it comes with a justification for every metric.