CVE-2025-40237

A flaw was found in the Linux kernel’s filesystem notification (fs/notify) code where calling inotify_show_fdinfo() on a file descriptor watching an overlayfs inode during an unmount operation could lead to a NULL pointer dereference.

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.