CVE-2025-21666

CVE-2025-21666 involves a null-pointer dereference in the Linux kernel when vsock_*_has_data/has_space is invoked on a socket that has been de-assigned from a transport. The problem is mitigated by returning 0 (no space/data) with a warning to keep execution stable. Connected documents confirm th...

SQL VSS Writer is missing: databases will be backed up in crash-consistent state and transaction log processing will be skipped

Challenge A job displays the warning: SQL VSS Writer is missing: databases will be backed up in crash-consistent state and transaction log processing will be skipped Solution Support Scope Please note that the warning message displayed by Veeam Backup & Replication is a courtesy notification...