description: In FreeBSD 11.2-STABLE after r338618 and before r343786, 12.0-STABLE before r343781, and 12.0-RELEASE before 12.0-RELEASE-p3, a bug in the reference count implementation for UNIX domain sockets can cause a file structure to be incorrectly released potentially allowing a malicious local user to gain root privileges or escape from a jail.
problem types: Improper Update of Reference Count
affected:
{
product: FreeBSD
vendor: FreeBSD
versions:
status: affected, version: FreeBSD 12.0 before 12.0-RELEASE-p3
}