Vulnerability Overview
Exploitation Activity
Exploitation Intelligence
A newly disclosed Linux kernel vulnerability, named Bad Epoll (CVE-2026-46242), allows unprivileged local users to escalate to root privileges on systems running kernel version 6.4 or later. This use-after-free vulnerability resides in the epoll subsystem, which is critical for I/O event notificatio...
Recent security advisories have revealed multiple vulnerabilities in the Linux kernel affecting various Ubuntu releases, including 22.04 LTS, 20.04 LTS, 18.04 LTS, 25.10, and 24.04 LTS. These vulnerabilities are associated with CVEs published between May 11 and May 28, 2026, including CVE-2026-47333...
The Tails operating system has released version 7.8.1 as an emergency update to address critical security vulnerabilities in the Linux kernel and the Tor client. The update includes the Linux kernel version 6.12.90-2, which fixes CVE-2026-43503, a vulnerability that could allow applications in Tails...
A newly disclosed vulnerability in the Linux kernel, tracked as CVE-2026-31431 and named 'Copy Fail', allows unprivileged local users to gain root access on virtually all major Linux distributions released since 2017. The exploit, which is a 732-byte Python script, modifies the page cache of any rea...
