CVE-2026-80855

CVE-2026-80855 affects the Linux kernel FUSE filesystem. In fuse_open(), when a DAX truncate (O_TRUNC) triggers filemap_invalidate_lock(), a subsequent failure in fuse_dax_break_layouts() (e.g., returning -ERESTARTSYS after a signal interrupts the wait for busy DAX pages to drain) causes the code...

PT-2026-85734

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A lock leak occurs in the FUSE filesystem when a writeback flush fails during a setattr operation. Specifically, the fuse do setattr function acquires the filemap invalidate lock for a D...

UBUNTU-CVE-2025-22120

In the Linux kernel, the following vulnerability has been resolved: ext4: goto right label 'outmmapsem' in ext4setattr Otherwise, if ext4inodeattachjinode fails, a hung task will happen because filemapinvalidateunlock isn't called to unlock mapping-invalidatelock. Like this: EXT4-fs error device...