EUVD-2026-86187

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix use-after-free on reloc root after error in insertdirtysubvol If during relocation we fail in insertdirtysubvol because btrfsupdaterelocroot returned an error, we will leave a root's relocroot field pointing to a reloc...

CVE-2026-93800

The Linux kernel contains a use-after-free (or double free) vulnerability in the btrfs filesystem. The issue occurs when btrfs_update_reloc_root() returns an error during the insert_dirty_subvol() function. This causes a root's reloc_root field to remain pointed at a freed reloc root instead of b...