cve/2022/CVE-2022-23084.md

CVE-2022-23084

Description

The total size of the user-provided nmreq to nmreq_copyin() was first computed and then trusted during the copyin. This time-of-check to time-of-use bug could lead to kernel memory corruption.On systems configured to include netmap in their devfs_ruleset, a privileged process running in a jail can affect the host environment.

POC

Reference

No PoCs from references.

Github

• https://github.com/fkie-cad/nvd-json-data-feeds