CVE-2012-2127

fs/proc/root.c in the procfs implementation in the Linux kernel before 3.2
does not properly interact with CLONE_NEWPID clone system calls, which
allows remote attackers to cause a denial of service (reference leak and
memory consumption) by making many connections to a daemon that uses PID
namespaces to isolate clients, as demonstrated by vsftpd.

Bugs

• <https://bugzilla.novell.com/show_bug.cgi?id=757783&gt;
• <https://launchpad.net/bugs/990365&gt;

Notes