fsmon

fsmon Low level filesystem monitor utility for Linux, Android, iOS and macOS. Author : pancake @ nowsecure License : MIT Designed for System administrators and incident responders Security researchers and forensic analysts Developers debugging I/O-heavy applications Reverse engineers interested i...

UBUNTU-CVE-2025-40237

In the Linux kernel, the following vulnerability has been resolved: fs/notify: call exportfsencodefid with sumount Calling intotifyshowfdinfo on fd watching an overlayfs inode, while the overlayfs is being unmounted, can lead to dereferencing NULL ptr. This issue was found by syzkaller. Race...

macOS 10.14.6 (18G87) - Kernel Use-After-Free due to Race Condition in wait_for_namespace_event()

The XNU function waitfornamespaceevent in bsd/vfs/vfssyscalls.c releases a file descriptor for use by userspace but may then subsequently destroy that file descriptor using fpfree, which unconditionally frees the fileproc and fileglob. This opens up a race window during which the process could...