CVE-2026-58092

In FreeBSD 15.0, the kernel structure used to represent user credentials changed: previously the primary group ID was stored in the first element of the array containing the list of supplementary group IDs, whereas now the primary group ID is stored in a dedicated field. This change was largely...

CVE-2026-58092

CVE-2026-58092 affects the mac_do(4) MAC policy module in FreeBSD 15.0 and later . After a kernel credential structure change, the function group_is_primary() was not properly updated, causing it to incorrectly read the primary group ID from the first element of the supplementary group array duri...

PT-2026-81930

In FreeBSD 15.0, the kernel structure used to represent user credentials changed: previously the primary group ID was stored in the first element of the array containing the list of supplementary group IDs, whereas now the primary group ID is stored in a dedicated field. This change was largely...

FreeBSD : FreeBSD -- Unauthorized credential switching (55fbe7b1-a0fe-11f1-ae1f-bc241121aa0a)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the 55fbe7b1-a0fe-11f1-ae1f-bc241121aa0a advisory. In FreeBSD 15.0, the kernel structure used to represent user credentials changed: previously the primar...

FreeBSD -- Unauthorized credential switching

Problem Description: In FreeBSD 15.0, the kernel structure used to represent user credentials changed: previously the primary group ID was stored in the first element of the array containing the list of supplementary group IDs, whereas now the primary group ID is stored in a dedicated field. This...

FreeBSD-SA-26:59.mac_do

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 ============================================================================= FreeBSD-SA-26:59.macdo Security Advisory The FreeBSD Project Topic: Unauthorized credential switching Category: core Module: macdo Announced: 2026-08-25 Credits: Hazley...