CVE-2026-98245

The Linux kernel contains a vulnerability in the btrfs filesystem. The function mark_block_group_to_copy() iterates over the commit root while skip_locking is set to true. This allows a concurrent transaction commit to swap and free the commit root during iteration, resulting in a use-after-free ...

CVE-2026-98245

In the Linux kernel, the following vulnerability has been resolved: btrfs: take commit root semaphore when iterating in markblockgrouptocopy markblockgrouptocopy iterates over the commit root with skiplocking=true. A concurrent transaction commit can swap and free the commit root during iteration...

EUVD-2026-93173

In the Linux kernel, the following vulnerability has been resolved: btrfs: take commit root semaphore when iterating in markblockgrouptocopy markblockgrouptocopy iterates over the commit root with skiplocking=true. A concurrent transaction commit can swap and free the commit root during iteration...