The Dirty Pipe vulnerability: Overview, detection, and remediation

On March 7, 2022, Max Kellermann publicly disclosed a vulnerability in the Linux kernel, later named Dirty Pipe, which allows underprivileged processes to write to arbitrary readable files, leading to privilege escalation. This vulnerability affects kernel versions starting from 5.8. After its discovery, it was fixed for all currently maintained releases of Linux in versions 5.16.11, 5.15.25, and 5.10.102.

While easier to exploit, it is similar to an older vulnerability disclosed in 2016, Dirty COW, which has been actively …

detection dirty pipe remediation vulnerability