How to Safely Perform Snapshot Rollback of Veeam Backup for Microsoft 365

Purpose This article provides step-by-step guidance for performing a snapshot rollback of a Veeam Backup for Microsoft 365 deployment in the event of a disaster. Critical Warning Rolling back to a snapshot is a complex and highly risky process that should only be performed in rare disaster...

Could not apply snapshot: Device has active dirty bitmaps

Challenge When the user attempts to use the Rollback function for a snapshot on a Proxmox Virtual Environment PVE Virtual Machine VM that is protected by Veeam Backup & Replication, the following error occurs: qemu-img: Could not apply snapshot '%%': Device has active dirty bitmaps Cause This err...

CVE-2025-2888

During a snapshot rollback, the client incorrectly caches the timestamp metadata. If the client checks the cache when attempting to perform the next update, the update timestamp validation will fail, preventing the next update until the cache is cleared. Users should upgrade to tough version 0.20...

CVE-2025-2888

During a snapshot rollback, the client incorrectly caches the timestamp metadata. If the client checks the cache when attempting to perform the next update, the update timestamp validation will fail, preventing the next update until the cache is cleared. Users should upgrade to tough version 0.20...

CVE-2025-2888

During a snapshot rollback, the client incorrectly caches the timestamp metadata. If the client checks the cache when attempting to perform the next update, the update timestamp validation will fail, preventing the next update until the cache is cleared. Users should upgrade to tough version 0.20...

CVE-2025-2888 Improper timestamp caching during snapshot rollback in tough

During a snapshot rollback, the client incorrectly caches the timestamp metadata. If the client checks the cache when attempting to perform the next update, the update timestamp validation will fail, preventing the next update until the cache is cleared. Users should upgrade to tough version 0.20...

CVE-2025-2888

CVE-2025-2888 affects the Amazon tough client (The Update Framework) where, during a snapshot rollback, the client incorrectly caches timestamp metadata. If the next update checks this cache, update timestamp validation may fail, blocking subsequent updates until the cache is cleared. The issue i...

CVE-2025-2888 Improper timestamp caching during snapshot rollback in tough

During a snapshot rollback, the client incorrectly caches the timestamp metadata. If the client checks the cache when attempting to perform the next update, the update timestamp validation will fail, preventing the next update until the cache is cleared. Users should upgrade to tough version 0.20...

Amazon tough 安全漏洞

Amazon tough is a Rust client library for The Update Framework TUF repository from Amazon.com, USA. A security vulnerability exists in Amazon tough versions prior to 0.20.0 that stems from the client incorrectly caching timestamped metadata during a snapshot rollback, which could lead to validati...

spacewalk-backend spacewalk-java security update

spacewalk-backend 2.10.28-1.0.13 - Fix HTTP 500 and ORA-01830 on client scap report Orabug: 34823889 2.10.28-1.0.12 - Handle remote commands that return no output. Orabug: 32530545 2.10.28-1.0.11 - Make spacewalk-debug copy symlink target instead of the symlink itself. Orabug: 32514543...