Microsoft Defender for Endpoint Comes to Linux Desktops
Microsoft Defender for Endpoint now supports Linux desktops in public preview, using the server agent. Plan…
Category
Linux
Linux Desktop Hardening: 10 Security Settings Most Users Never Change
Most Linux distributions ship with sensible defaults, but many security controls remain untouched after installation. Several…
Linux AF_UNIX Flaw CVE-2026-80521 Enables Container Escape
A public exploit for CVE-2026-80521, a use-after-free flaw in the Linux kernel’s AF_UNIX socket code, lets…
cups2root: New CUPS Zero-Day Escalates lpadmin to Root
cups2root is a new CUPS zero-day that escalates lpadmin users to root on Ubuntu — and…
Zapscape KVM Flaw Lets Guest VMs Seize Host Root
Security researcher Hyunwoo Kim closed out his KVM escape trilogy today with Zapscape (CVE-2026-64561), and this…
15-Year-Old Linux Kernel Bug ‘GhostLock’ Lets Any Local User Seize Root, Break Out of Containers
A privilege-escalation flaw that has quietly sat inside the Linux kernel since 2011 has finally been…
19-Year-Old Linux Kernel Bug Earns $80K Bounty, Grants Root in Under a Second
A single line of code merged into the Linux kernel back in 2007 sat quietly for…
Root Access for the Taking: ‘Bad Epoll’ Exploit Code Now Public
A working exploit for a Linux kernel vulnerability that hands any logged-in user a root shell…
A Forged Kernel Key and a Rootful Helper: Inside the CIFSwitch Linux Privilege Escalation
A security researcher has disclosed a Linux local privilege escalation — dubbed CIFSwitch — that lets…