22.Lock ScreenEffect

Five high severity Linux network security vulnerabiities have been found and fixed. Patch your systems immediately to protect your servers against DoS attacks!

Young and rising Linux security developer Alexander Popov of Russia's Positive Technologies discovered and fixed a set of five security holes in the Linux kernel's virtual socket implementation. An attacker could use these vulnerabilities (CVE-2021-26708) to gain root access and knock out servers in a Denial of Service (DoS) attack.

With a Common Vulnerability Scoring System (CVSS) v3 base score of 7.0, high severity, smart Linux administrators will patch their systems as soon as possible.