Deep dives, practical guides, and incident analyses from engineers who build Safeguard. No fluff, no vendor FUD — just what you need to ship secure software.
PwnKit was a trivial local privilege escalation in polkit that affected nearly every Linux distribution for over a decade. The technical details and the residual risk in 2026.
Dirty Pipe allowed any local user to overwrite data in read-only files, including SUID binaries, leading to trivial root escalation. The bug was elegant, dangerous, and surprisingly recent.
A 12-year-old memory corruption bug in Polkit's pkexec gave any unprivileged local user instant root access on virtually every major Linux distribution. Here's why it matters.
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