CVE-2012-2127 | BDVDB-2026-50659 Detail
Description#
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.
Impact#
No impact statement in the source data.
Weaknesses#
No weakness recorded in the source data.
References#
- https://github.com/torvalds/linux/commit/905ad269c55fc62bee3da29f7b1d1efeba8aa1e1
- http://www.ubuntu.com/usn/USN-1594-1
- http://www.openwall.com/lists/oss-security/2012/04/22/1
- https://bugzilla.redhat.com/show_bug.cgi?id=815188
- http://ubuntu.com/usn/usn-1607-1
- http://www.kernel.org/pub/linux/kernel/v3.x/
- http://www.securityfocus.com/bid/55774
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=905ad269c55fc62bee3da29f7b1d1efeba8aa1e1
- https://bugzilla.novell.com/show_bug.cgi?id=757783
- http://www.openwall.com/lists/oss-security/2012/04/20/25
- http://www.kernel.org/pub/linux/kernel/v3.x/patch-3.2.bz2
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.