CVE-2020-25582

Name of the Vulnerable Software and Affected Versions: FreeBSD versions 12.2-STABLE before r369334 FreeBSD versions 11.4-STABLE before r369335 FreeBSD versions 12.2-RELEASE before p4 FreeBSD versions 11.4-RELEASE before p8

Description: The issue occurs when a process, such as jexec(8) or killall(1), calls jail attach(2) to enter a jail. In this scenario, the jailed root can attach to it using ptrace(2) before the current working directory is changed.

Recommendations: For FreeBSD versions 12.2-STABLE before r369334, update to a version after r369334. For FreeBSD versions 11.4-STABLE before r369335, update to a version after r369335. For FreeBSD versions 12.2-RELEASE before p4, update to a version after p4. For FreeBSD versions 11.4-RELEASE before p8, update to a version after p8.