#privilege escalation

5 tutorials tagged with "privilege escalation"

Linux Copy Fail Vulnerability: CVE-2026-31431 Explained and How to Patch

A critical Linux kernel vulnerability (CVE-2026-31431) allows local privilege escalation through the AF_ALG cryptographic interface. Learn how to check if you're affected and how to patch.

security

GhostLock CVE-2026-43499: 15-Year-Old Linux Root Exploit

GhostLock (CVE-2026-43499) is a use-after-free vulnerability in the Linux kernel that sat undetected for 15 years, allowing any local user to escalate to root with 97% reliability. Here's how to check and patch your servers.

security

Bad Epoll: New Linux Kernel Flaw Lets Unprivileged Users Grab Root — and Android Is Affected Too

A race condition in the Linux kernel's epoll subsystem allows local privilege escalation to root. Servers, desktops, and Android devices are all vulnerable. Here's what to patch and how to check if you're exposed.

linux

DirtyClone (CVE-2026-43503): What Linux Admins Need to Know and How to Mitigate Right Now

A newly disclosed kernel vulnerability in the packet cloning subsystem affects every major Linux distribution running kernel 6.1 through 6.12. Here's a practical mitigation guide with step-by-step instructions for Ubuntu, Debian, RHEL, and containerized environments.

security

PinTheft CVE-2026-43494: Linux Kernel Privilege Escalation — What Server Admins Must Know

A deep dive into the PinTheft vulnerability (CVE-2026-43494) that grants local root access through a chain of bugs in the Linux kernel's RDS and io_uring subsystems. Learn how to detect exposure, apply patches, and harden your servers.

security