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Kernel

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Security
|10 min read

Your Container Is Not a Security Boundary: GhostLock (CVE-2026-43499)

A 15-year-old Linux kernel bug just got a public exploit that breaks out of containers and hands any local user root on the host. GhostLock is a reminder that the container is not your security boundary, the shared kernel is. Here is what actually shrinks the blast radius.

Security
|12 min read

Dirty Frag (CVE-2026-43284 + CVE-2026-43500): Local Root on Every Major Linux Distro

A two-bug chain in the Linux kernel networking subsystems lets any unprivileged local user become root in a single command. The PoC is public, the embargo broke, and not all distros have a patch yet.