container-escape
3 posts
Article
Kernel UAF reachable from user namespace
CVE-2026-29144 Dirty Frag - Linux kernel IP fragment reassembly UAF gives unprivileged users root across major distros. Mechanism, exploitation path, telemetry gaps.
Article
User namespaces are still a root pipe
Dirty Frag is a Linux kernel UAF in IP fragment reassembly reachable via unprivileged user namespaces. CVSS 7.8. Mechanism, telemetry gaps, patch boundary.
Article
Your patched kernel is still vulnerable
Dirty Frag - CVE-2026-31337, CVSS 7.8 - is a UAF in the Linux kernel's IPv4 fragment reassembly path. Container-to-host root on every major distro.