CVEvulnerability
CVE-2012-2127
5.0 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2012-06-21
- Last modified
- 2026-06-16
- Assigner
- [email protected]
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-119
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.
Affected configurations
• linux linux kernel (<= 3.1.10)
• linux linux kernel 3.1.1
• linux linux kernel 3.1.2
• linux linux kernel 3.1.3
• linux linux kernel 3.1.4
• linux linux kernel 3.1.5
• linux linux kernel 3.1.6
• linux linux kernel 3.1.7
• linux linux kernel 3.1.8
• linux linux kernel 3.1.9
Related
Weakness · CWE (1)
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer weakness
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=905ad269c55fc62bee3da29f7b1d1efeba8aa1e1 git.kernel.org
- http://ubuntu.com/usn/usn-1607-1 ubuntu.com
- http://www.kernel.org/pub/linux/kernel/v3.x/ www.kernel.org
- http://www.kernel.org/pub/linux/kernel/v3.x/patch-3.2.bz2 Patch
- http://www.openwall.com/lists/oss-security/2012/04/20/25 Exploit
- http://www.openwall.com/lists/oss-security/2012/04/22/1 www.openwall.com
- http://www.securityfocus.com/bid/55774 www.securityfocus.com
- http://www.ubuntu.com/usn/USN-1594-1 www.ubuntu.com
- https://bugzilla.novell.com/show_bug.cgi?id=757783 Exploit
- https://bugzilla.redhat.com/show_bug.cgi?id=815188 Exploit
- https://github.com/torvalds/linux/commit/905ad269c55fc62bee3da29f7b1d1efeba8aa1e1 Exploit, Patch
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=905ad269c55fc62bee3da29f7b1d1efeba8aa1e1 git.kernel.org
- http://ubuntu.com/usn/usn-1607-1 ubuntu.com
- http://www.kernel.org/pub/linux/kernel/v3.x/ www.kernel.org
- http://www.kernel.org/pub/linux/kernel/v3.x/patch-3.2.bz2 Patch
- http://www.openwall.com/lists/oss-security/2012/04/20/25 Exploit
- http://www.openwall.com/lists/oss-security/2012/04/22/1 www.openwall.com
- http://www.securityfocus.com/bid/55774 www.securityfocus.com
- http://www.ubuntu.com/usn/USN-1594-1 www.ubuntu.com
- https://bugzilla.novell.com/show_bug.cgi?id=757783 Exploit
- https://bugzilla.redhat.com/show_bug.cgi?id=815188 Exploit
- https://github.com/torvalds/linux/commit/905ad269c55fc62bee3da29f7b1d1efeba8aa1e1 Exploit, Patch