CVE-2026-89576 dm-era: fix shadowed superblock leak on take-snap failure

In the Linux kernel, the following vulnerability has been resolved: dm-era: fix shadowed superblock leak on take-snap failure metadatatakesnap bumps the live superblock refcount and then dmtmshadowblock allocates a new block for the metadata snapshot. If the subsequent dmsmincblock of...

PT-2026-90292

In the Linux kernel, the following vulnerability has been resolved: dm-era: fix shadowed superblock leak on take-snap failure metadata take snap bumps the live superblock refcount and then dm tm shadow block allocates a new block for the metadata snapshot. If the subsequent dm sm inc block of...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-986411)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-986411 advisory. In the Linux kernel, the following vulnerability has been resolved: dm btree remove: assign newroot only when removal succeeds removeraw in dmbtreeremove may fail du...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-986309)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-986309 advisory. In the Linux kernel, the following vulnerability has been resolved: dm btree remove: assign newroot only when removal succeeds removeraw in dmbtreeremove may fail du...

Windows CLFS and five exploits used by ransomware operators (Exploit #2 – September 2022)

This is the third part of our study about the Common Log File System CLFS and five vulnerabilities in this Windows OS component that have been used in ransomware attacks throughout the year. Please read the previous parts first if you havent already. You can skip to the other parts using this tab...