Freebsd · Freebsd · 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.