A critical Use-After-Free vulnerability (CVE-2026-98432) in Linux's IPv4 TCP stack has been discovered, carrying a CVSS score of 9.8 indicating severe remote code execution potential. The vulnerability allows attackers to exploit memory corruption in TCP connection handling, potentially achieving arbitrary code execution without authentication.
Background
Use-After-Free vulnerabilities in kernel network stacks have historically been among the most critical and exploitable CVEs, often leading to remote code execution. The Linux TCP stack handles millions of connections daily, making any vulnerability in this area particularly impactful.
- Source
- Hacker News (RSS)
- Published
- Nov 1, 2026 at 03:16 AM
- Score
- 9.0 / 10