CVE-2021-4440 | Linux Kernel up to 5.10.217 Xen USERGS_SYSRET64 buffer overflow (1424ab4bb386)

A vulnerability, which was classified as critical, was found in Linux Kernel up to 5.10.217. Affected is the function USERGS_SYSRET64 of the component Xen. The manipulation leads to buffer overflow.

This vulnerability is traded as CVE-2021-4440. The attack can only be done within the local network. There is no exploit available.

It is recommended to upgrade the affected component.