New stealthy Quasar Linux malware targets software developers

A previously undocumented Linux implant named Quasar Linux (QLNX) is targeting developers' systems with a mix of rootkit, ...

U.S. government warns of severe CopyFail bug affecting major versions of Linux

U.S. cybersecurity agency CISA says the CopyFail bug is being actively used in hacking campaigns, and poses a major risk to servers and datacenters that rely on Linux.

CISA says ‘Copy Fail’ flaw now exploited to root Linux systems

CISA has warned that threat actors have started exploiting the "Copy Fail" Linux security vulnerability in the wild, one day ...
SecurityWeek

Sophisticated Quasar Linux RAT Targets Software Developers

Dubbed Quasar Linux (QLNX), the RAT has a modular architecture, uses multiple persistence and detection evasion mechanisms, ...
Hackaday

This Week In Security: Another Linux Exploit, Ubuntu Knocked Offline, Finals Interrupted, And Backdoored Tools

After the CopyFail vulnerability gave root access from any user on almost all distributions last week, this week we’ve got DirtyFrag. This chains the vulnerability in CopyFail (xfrm-ESP) and ...
OSTechNix

Copy Fail: The 732-Byte Script That Roots Every Major Linux Systems

Copy Fail (CVE-2026-31431) is a severe logic flaw in the Linux kernel affecting every distribution since 2017. Patch your ...