CVE-2025-21654 ovl: support encoding fid from inode with no alias

In the Linux kernel, the following vulnerability has been resolved: ovl: support encoding fid from inode with no alias Dmitry Safonov reported that a WARNON assertion can be trigered by userspace when calling inotifyshowfdinfo for an overlayfs watched inode, whose dentry aliases were discarded wi...

CVE-2025-21654: Reachable Assertion

In the Linux kernel, the following vulnerability has been resolved: ovl: support encoding fid from inode with no alias Dmitry Safonov reported that a WARNON assertion can be trigered by userspace when calling inotifyshowfdinfo for an overlayfs watched inode, whose dentry aliases were discarded wi...

CVE-2024-27069 ovl: relax WARN_ON in ovl_verify_area()

In the Linux kernel, the following vulnerability has been resolved: ovl: relax WARNON in ovlverifyarea syzbot hit an assertion in copy up data loop which looks like it is the result of a lower file whose size is being changed underneath overlayfs. This type of use case is documented to cause...