The fill_event_metadata function in fs/notify/fanotify/fanotify_user.c in the Linux kernel through...

Vulnerability Description

The fill_event_metadata function in fs/notify/fanotify/fanotify_user.c in the Linux kernel through 3.9.4 does not initialize a certain structure member, which allows local users to obtain sensitive information from kernel memory via a read operation on the fanotify descriptor.

References

• http://www.ubuntu.com/usn/USN-1929-1
• http://lkml.org/lkml/2013/6/3/128
• http://lists.opensuse.org/opensuse-security-announce/2013-09/msg00003.html
• http://lists.opensuse.org/opensuse-updates/2013-12/msg00129.html
• https://bugzilla.redhat.com/show_bug.cgi?id=971258
• http://www.ubuntu.com/usn/USN-1930-1
• http://lists.opensuse.org/opensuse-security-announce/2013-09/msg00004.html
• http://www.openwall.com/lists/oss-security/2013/06/05/26