SUSE-SU-2022:4395-1

Description of the patch:

This update for samba fixes the following issues:

Version update to 4.15.12.

Security issues fixed:

• CVE-2022-2031: Fixed AD users that could have bypassed certain restrictions associated with changing passwords (bsc#1201495).
• CVE-2022-32742: Fixed SMB1 code that does not correctly verify SMB1write, SMB1write_and_close, SMB1write_and_unlock lengths (bsc#1201496).
• CVE-2022-32744: Fixed AD users that could have forged password change requests for any user (bsc#1201493).
• CVE-2022-32745: Fixed AD users that could have crashed the server process with an LDAP add or modify request (bsc#1201492).
• CVE-2022-32746: Fixed a use-after-free occurring in database audit logging (bsc#1201490).
• CVE-2022-3437: Fixed buffer overflow in Heimdal unwrap_des3() (bsc#1204254).
• CVE-2022-42898: Fixed Samba buffer overflow vulnerabilities on 32-bit systems (bsc#1205126).

Bug fixes:

• Install a systemd drop-in file for named service to allow read/write access to the DLZ directory (bsc#1201689).
• Possible use after free of connection_struct when iterating smbd_server_connection->connections (bsc#1200102).