CVE-2025-21942

CVE-2025-21942 affects the Linux kernel btrfs zoned code. A hang can occur in cow_file_range() when unlocking extents if there is no active zone finish path or after partial allocations, due to unlock code being moved outside the loop by a commit. The fix sets the end to the end of the allocated ...

CVE-2024-49867

In the Linux kernel, the following vulnerability has been resolved: btrfs: wait for fixup workers before stopping cleaner kthread during umount During unmount, at closectree, we have the following steps in this order: 1 Park the cleaner kthread - this doesn't destroy the kthread, it basically hal...

CVE-2024-49867

CVE-2024-49867 relates to the Linux kernel bug in btrfs during unmount. The issue occurred because the code could wake and stop the cleaner kthread and then free its resources before waiting for pending fixup workers, leading to a potential use-after-free when a fixup worker wakes a freed cleaner...

CVE-2024-49867 btrfs: wait for fixup workers before stopping cleaner kthread during umount

In the Linux kernel, the following vulnerability has been resolved: btrfs: wait for fixup workers before stopping cleaner kthread during umount During unmount, at closectree, we have the following steps in this order: 1 Park the cleaner kthread - this doesn't destroy the kthread, it basically hal...

CVE-2024-49867 btrfs: wait for fixup workers before stopping cleaner kthread during umount

In the Linux kernel, the following vulnerability has been resolved: btrfs: wait for fixup workers before stopping cleaner kthread during umount During unmount, at closectree, we have the following steps in this order: 1 Park the cleaner kthread - this doesn't destroy the kthread, it basically hal...