btrfs filesystem

The page you were looking for was either not found or not available. That said, the vulnerability identifier and title you provided point to a Linux kernel btrfs fix, not a Microsoft-specific advisory. The wording “btrfs: do not strictly require dirty metadata threshold for metadata writepages”...

The wording of the CVE title suggests a Linux btrfs fix that hardens transaction handling when a filesystem has already been forced into a fully read-only state, but the Microsoft Security Update Guide page you linked is not currently available. Based on the kernel documentation, btrfs supports...