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CVE
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CVE-2012-2127Date: (C)2012-06-21   (M)2018-02-19


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.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : CVSS Score : 5.0
Exploit Score: Exploit Score: 10.0
Impact Score: Impact Score: 2.9
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: Access Vector: NETWORK
Attack Complexity: Access Complexity: LOW
Privileges Required: Authentication: NONE
User Interaction: Confidentiality: NONE
Scope: Integrity: NONE
Confidentiality: Availability: PARTIAL
Integrity:  
Availability:  
  
Reference:
BID-55774
USN-1594-1
USN-1607-1
http://www.openwall.com/lists/oss-security/2012/04/20/25
http://www.openwall.com/lists/oss-security/2012/04/22/1
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=905ad269c55fc62bee3da29f7b1d1efeba8aa1e1
http://www.kernel.org/pub/linux/kernel/v3.x/
http://www.kernel.org/pub/linux/kernel/v3.x/patch-3.2.bz2
https://bugzilla.novell.com/show_bug.cgi?id=757783
https://bugzilla.redhat.com/show_bug.cgi?id=815188
https://github.com/torvalds/linux/commit/905ad269c55fc62bee3da29f7b1d1efeba8aa1e1

CPE    10
cpe:/o:linux:linux_kernel:3.1.3
cpe:/o:linux:linux_kernel:3.1.2
cpe:/o:linux:linux_kernel:3.1.1
cpe:/o:linux:linux_kernel:3.1.7
...
CWE    1
CWE-119
OVAL    2
oval:org.secpod.oval:def:701046
oval:org.secpod.oval:def:701028

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