AWS to Release Patched Kernel for Linux IPv4 TCP Use-After-Free Vulnerability (CVE-2026-98432)

AWS is scheduled to release patched kernel versions for Amazon Linux 2023 platforms, addressing the CVE-2026-98432 Linux kernel IPv4 TCP use-after-free vulnerability. These updates are expected to be available starting November 4, 2026, for services like Elastic Beanstalk, with existing tasks and instances being updated during maintenance windows or through customer-initiated restarts. This critical security update aims to mitigate potential exploitation risks.