CLSA-2026-1779365436 samba: Fix of CVE-2021-20251

CVE-2021-20251: fix race condition in the password lockout code that allowed determined attackers to exceed the configured bad-password count by issuing concurrent authentication / SAMR password-change requests for the same account; the bad-password-count read and the follow-up increment now run...

CLSA-2026-1779354817 samba: Fix of CVE-2021-20251

CVE-2021-20251: fix race condition in the password lockout code that allowed determined attackers to exceed the configured bad-password count by issuing concurrent authentication / SAMR password-change requests for the same account; the bad-password-count read and the follow-up increment now run...