description: In FreeBSD 12.0-STABLE before r350222, 12.0-RELEASE before 12.0-RELEASE-p8, 11.3-STABLE before r350223, 11.3-RELEASE before 11.3-RELEASE-p1, and 11.2-RELEASE before 11.2-RELEASE-p12, rights transmitted over a domain socket did not properly release a reference on transmission error allowing a malicious user to cause the reference counter to wrap, forcing a free event. This could allow 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 before 12.0-RELEASE-p8
status: affected, version: before 11.3-RELEASE-p1
status: affected, version: and before 11.2-RELEASE-p12
}