Exploit for "Bad Epoll" Linux kernel vulnerability (CVE-2026-46242) can lead to root access on desktops, servers, and Android ...

Last week’s column looked at how we can read from and write to files by associated the files with user-defined file descriptors. This week, we take this idea a bit further. Closing File Descriptors In ...

A newly disclosed use-after-free in the Linux kernel's epoll code, CVE-2026-46242, lets an unprivileged user get root on ...

A temporary reference (typically a number) assigned by the operating system to a file that an application has asked it to open. The handle is used throughout the session to access the file. In the ...

Linux kernel privilege escalation exploit DirtyClone (CVE-2026-43503) is publicly documented: JFrog published a working attack walkthrough Thursday showing how any local user can gain root on ...

Have you ever wanted to read a file one line at a time in a shell script and found the task to be a lot more trouble than you ever imagined? If you use a “for line ...