Researchers have analyzed a high-severity vulnerability in Linux that’s able to escalate untrusted users to root by exploiting a bug you don’t often see: a single errant character inside the kernel.

CISA warns that the nine-year-old Linux Copy Fail flaw is being actively exploited, allowing local attackers to gain root access on affected systems.

Unprivileged attackers can gain root privileges by exploiting a local privilege escalation (LPE) vulnerability in default configurations of the Linux Kernel's filesystem layer on vulnerable devices.

A vulnerability in the Linux sudo command has been discovered that could allow unprivileged users to execute commands as root. Thankfully, this vulnerability only works in non-standard configurations ...