What we know about the xz Utils backdoor that almost infected the world Ars TechnicaUrgent: Secret Backdoor Found in XZ Utils Library, Impacts Major Linux Distros The Hacker NewsAn “urgent” Linux backdoor was discovered entirely by accident this week. The VergeMalicious Code in Linux xz Libraries Endangers SSH The New StackRed Hat Exec: Linux Supply Chain Hack Was Caught Quickly CRN