Linux-Kernel
4 posts

One Character in nftables Hands Any Linux User Root
One extra character in the Linux kernel hands a normal user root. A single ! that does not belong inside nftables, the firewall built into Debian and Ubuntu by …

ssh-keysign-pwn Lets Any Linux User Steal SSH Keys and Password Hashes Without Root
ssh-keysign-pwn is a newly disclosed Linux kernel vulnerability that gives any unprivileged local user direct access to the SSH host private keys of a server …

Dirty Frag Gives Root Access on Every Major Linux Distribution
A new Linux zero-day called Dirty Frag gives any local user full root access on every major Linux distribution, and right now no distribution has a patched …

Copy Fail CVE-2026-31431: Nine Years of Root Access Hidden in the Linux Kernel
Since 2017, every major Linux distribution has been shipping a flaw that hands root access to any local user. The exploit is a 732-byte Python script that uses …