CVE-2022-23084

Name of the Vulnerable Software and Affected Versions FreeBSD (affected versions not specified)

Description The issue is related to a time-of-check to time-of-use bug in the nmreq copyin() function of the netmap component in FreeBSD. This 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. The vulnerability may allow an attacker to execute arbitrary code in the context of the kernel.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.