# CVE-2026-98432: A Linux network flaw can crash servers or let attackers in

Status: Watch · Cloudflare Zero Wire: 
Who: Anyone running Linux servers, including container hosts and Kubernetes nodes.
Do this: Install your Linux distribution's kernel update and reboot.

## Agent prompt (read-only)
Read-only check, change nothing, send nothing anywhere.
Is Linux IPv4 TCP use-after-free (CVE-2026-98432) installed or running on this machine or in this project?
1. Find every copy and its version (apps, packages, containers, lockfiles).
2. Compare each version against the vendor's fixed version for CVE-2026-98432. Quote the vendor page you used.
3. Report a table: where, version, fixed version, status (exposed / fixed / not installed / unsure).
4. List the exact update steps, but do not run them.

## Official description
A race condition in Linux's IPv4 TCP connection handling can expose kernel memory, crash a host, or allow remote code execution before application authentication.

## Sources
- https://radar.cloudflare.com/security/zero-wire/linux-ipv4-tcp-use-after-free
- https://nvd.nist.gov/vuln/detail/CVE-2026-98432

Generated by isitexploited.org from public sources. Verify version numbers against the vendor before acting.