CVE-2021-4440 | Linux Kernel up to 5.10.217 Xen USERGS_SYSRET64 buffer overflow (1424ab4bb386 / Nessus ID 239850)
A vulnerability was found in Linux Kernel up to 5.10.217. It has been rated as critical. Affected by this issue is the function USERGS_SYSRET64 of the component Xen. The manipulation leads to buffer overflow.
This vulnerability is listed as CVE-2021-4440. The attack must be carried out from within the local network. There is no available exploit.
Upgrading the affected component is advised.