CVE-2021-47124 | Linux Kernel up to 5.10.54/5.12.18 io_uring lib/refcount.c io_link_timeout_fn Privilege Escalation

A vulnerability classified as problematic has been found in Linux Kernel up to 5.10.54/5.12.18. This affects the function io_link_timeout_fn in the library lib/refcount.c of the component io_uring. The manipulation leads to Privilege Escalation.

This vulnerability is uniquely identified as CVE-2021-47124. The attack can only be done within the local network. There is no exploit available.

It is recommended to upgrade the affected component.