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Vulnerability Details : CVE-2012-1179

The Linux kernel before 3.3.1, when KVM is used, allows guest OS users to cause a denial of service (host OS crash) by leveraging administrative access to the guest OS, related to the pmd_none_or_clear_bad function and page faults for huge pages.
Publish Date : 2012-05-17 Last Update Date : 2013-01-23
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- CVSS Scores & Vulnerability Types

CVSS Score
5.2
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Single system (The vulnerability requires an attacker to be logged into the system (such as at a command line or via a desktop session or web interface).)
Gained Access None
Vulnerability Type(s) Denial Of Service
CWE ID 264

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat moderate
5.2
AV:A/AC:M/Au:S/C:N/I:N/A:C 2012-03-12 2012-03-15
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- Related OVAL Definitions

Title Definition Id Class Family
ELSA-2012:0743: kernel security and bug fix update (Important) oval:org.mitre.oval:def:23889 unix
RHSA-2012:0743: kernel security and bug fix update (Important) oval:org.mitre.oval:def:21473 unix
RHSA-2012:0743: kernel security and bug fix update (Important) oval:com.redhat.rhsa:def:20120743 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2012-1179

# Product Type Vendor Product Version Update Edition Language
1 OS Linux Linux Kernel 3.3 RC7 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Linux Linux Kernel 1

- References For CVE-2012-1179

http://rhn.redhat.com/errata/RHSA-2012-0743.html
REDHAT RHSA-2012:0743
http://secunia.com/advisories/48898
SECUNIA 48898
https://github.com/torvalds/linux/commit/4a1d704194a441bf83c636004a479e01360ec850 CONFIRM
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.3.1 CONFIRM
http://www.openwall.com/lists/oss-security/2012/03/15/7
MLIST [oss-security] 20120315 CVE-2012-1179 kernel: thp: __split_huge_page() mapcount != page_mapcount BUG_ON()
http://www.securitytracker.com/id?1027084
SECTRACK 1027084
https://bugzilla.redhat.com/show_bug.cgi?id=803793 CONFIRM
http://secunia.com/advisories/48404
SECUNIA 48404

- Metasploit Modules Related To CVE-2012-1179

There are not any metasploit modules related to this vulnerability (Please visit www.metasploit.com for more information)


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