Linux - Malwlab

A metal computer chip engraved with the letters su on a dark workbench, with a shadow-like copy of the chip hovering above it, split open and glowing red from the crack

Linux

fragnesia: the /usr/bin/su that is clean on disk and corrupt in memory

CISA KEV-listed a Linux kernel bug called fragnesia on October 28, with a due date of October 31. Its entry names a chain with PHP2Shell that ends in an unauthenticated root shell. The catch: the exploit corrupts the in-memory copy of a system binary, so the file on disk