Tag: SCADA Security

PolicyKit Vulnerability Exposed After 12 Years: Why You Need to Patch Your Linux Today

Security company Qualys has uncovered a truly dangerous memory corruption vulnerability in polkit’s pkexec, CVE-2021-4034, dubbed “PwnKit”. Polkit, formerly known as PolicyKit, is a systemd SUID-root program. It’s installed by default in every major Linux distribution, which means that tens of millions of devices are vulnerable to this easily-exploitable bug. What makes this flaw even… Read more »