In the Linux kernel, the following vulnerability has been resolved:ovl: Filter invalid inodes with missing lookup functionAdd a check to the ovl_dentry_weird() function to prevent theprocessing of directory inodes that lack the lookup function.This is important because such inodes can cause errors in overlayfswhen passed to the lowerstack.
No PoCs from references.
- https://github.com/cku-heise/euvd-api-doc
- https://github.com/w4zu/Debian_security