CVE-2026-80806

CVE-2026-80806 is a flaw in the Linux kernel's ext4 filesystem where newly created encrypted files could incorrectly have the DAX (Direct Access) flag enabled when the filesystem is mounted with -o dax=always. The root cause is a timing issue in __ext4_new_inode(): the call to ext4_set_inode_flag...

CVE-2026-80806 ext4: don't enable DAX on new encrypted files

In the Linux kernel, the following vulnerability has been resolved: ext4: don't enable DAX on new encrypted files Currently, when a new encrypted regular file is created, the call to ext4setinodeflagsinode, init=true in ext4newinode is made before EXT4INODEENCRYPT is set. As a result, it can set...