Description
In FreeBSD 13.0-STABLE before n245118, 12.2-STABLE before r369552, 11.4-STABLE before r369560, 13.0-RC5 before p1, 12.2-RELEASE before p6, and 11.4-RELEASE before p9, a superuser inside a FreeBSD jail configured with the non-default allow.mount permission could cause a race condition between the lookup of ".." and remounting a filesystem, allowing access to filesystem hierarchy outside of the jail.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | FreeBSD | FreeBSD 12.2-RELEASE before p6, 11.4-RELEASE before p9 | — |