CVE-2020-25584

Summary

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 Software

VendorProductVersion RangeStatus
n/aFreeBSDFreeBSD 12.2-RELEASE before p6, 11.4-RELEASE before p9affected

Weaknesses

  • Time-of-check Time-of-use Race Condition

ADP Enrichment

CVE Program Container

Additional References

References