inotify: fix watch count leak when fsnotify_add_inode_mark_locked() fails

...

CVE-2026-46040

A flaw was found in the Linux kernel's inotify subsystem. When the fsnotifyaddinodemarklocked function fails during the creation of a new watch, the system does not properly decrement the watch count. This oversight can lead to a watch count leak, where repeated failures exhaust the maximum user...

UBUNTU-CVE-2026-46040

In the Linux kernel, the following vulnerability has been resolved: inotify: fix watch count leak when fsnotifyaddinodemarklocked fails When fsnotifyaddinodemarklocked fails in inotifynewwatch, the error path calls inotifyremovefromidr but does not call decinotifywatches to undo the preceding...

CVE-2026-46040

CVE-2026-46040: In the Linux kernel inotify path, when fsnotify_add_inode_mark_locked() fails during inotify_new_watch(), the error path did not call dec_inotify_watches(), leaking a watch count and potentially exhausting max_user_watches (-ENOSPC) even with no active watches. The fix introduces ...

CVE-2026-46040

In the Linux kernel, the following vulnerability has been resolved: inotify: fix watch count leak when fsnotifyaddinodemarklocked fails When fsnotifyaddinodemarklocked fails in inotifynewwatch, the error path calls inotifyremovefromidr but does not call decinotifywatches to undo the preceding...

EUVD-2026-32421

In the Linux kernel, the following vulnerability has been resolved: inotify: fix watch count leak when fsnotifyaddinodemarklocked fails When fsnotifyaddinodemarklocked fails in inotifynewwatch, the error path calls inotifyremovefromidr but does not call decinotifywatches to undo the preceding...

CVE-2026-46040 inotify: fix watch count leak when fsnotify_add_inode_mark_locked() fails

In the Linux kernel, the following vulnerability has been resolved: inotify: fix watch count leak when fsnotifyaddinodemarklocked fails When fsnotifyaddinodemarklocked fails in inotifynewwatch, the error path calls inotifyremovefromidr but does not call decinotifywatches to undo the preceding...

CVE-2026-46040

In the Linux kernel, the following vulnerability has been resolved: inotify: fix watch count leak when fsnotifyaddinodemarklocked fails When fsnotifyaddinodemarklocked fails in inotifynewwatch, the error path calls inotifyremovefromidr but does not call decinotifywatches to undo the preceding...

CVE-2026-46040

inotify: fix watch count leak when fsnotifyaddinodemarklocked fails...

PT-2026-43907

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A watch count leak occurs in the inotify system when the fsnotify add inode mark locked function fails within inotify new watch. In this scenario, the error path executes inotify remove...

CVE-2025-38615 fs/ntfs3: cancle set bad inode after removing name fails

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: cancle set bad inode after removing name fails The reproducer uses a file0 on a ntfs3 file system with a corrupted ilink. When renaming, the file0's inode is marked as a bad inode because the file name cannot be deleted...