National Vulnerability Database (NVD) National Vulnerability Database (CVE-2012-1179)

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NVD is the U.S. government repository of standards based vulnerability management data. This data enables automation of vulnerability management, security measurement, and compliance (e.g. FISMA).

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NVD contains:

CVE Vulnerabilities: 56363
Checklists: 222
US-CERT Alerts: 246
US-CERT Vuln Notes: 2720
OVAL Queries: 8140
CPE Names: 73033

Last updated: Sun May 19 03:57:34 EDT 2013

CVE Publication rate: 11.57

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Vulnerability Workload Index: 6.09

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NVD is a product of the NIST Computer Security Division and is sponsored by the Department of Homeland Security's National Cyber Security Division. It supports the U.S. government multi-agency (OSD, DHS, NSA, DISA, and NIST) Information Security Automation Program. It is the U.S. government content repository for the Security Content Automation Protocol (SCAP).

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Vulnerability Summary for CVE-2012-1179

Original release date:05/17/2012

Last revised:01/24/2013

Source: US-CERT/NIST

Overview

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.

Impact

CVSS Severity (version 2.0):

CVSS v2 Base Score:5.2 (MEDIUM) (AV:A/AC:M/Au:S/C:N/I:N/A:C) (legend)

Impact Subscore: 6.9

Exploitability Subscore: 4.4

CVSS Version 2 Metrics:

Access Vector: Local network exploitable

Access Complexity: Medium

Authentication: Required to exploit

Impact Type:Allows disruption of serviceUnknown

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External Source: CONFIRM

Name: https://github.com/torvalds/linux/commit/4a1d704194a441bf83c636004a479e01360ec850

Hyperlink:https://github.com/torvalds/linux/commit/4a1d704194a441bf83c636004a479e01360ec850

External Source: CONFIRM

Name: https://bugzilla.redhat.com/show_bug.cgi?id=803793

Hyperlink:https://bugzilla.redhat.com/show_bug.cgi?id=803793

External Source: SECTRACK

Name: 1027084

Hyperlink:http://www.securitytracker.com/id?1027084

External Source: MLIST

Name: [oss-security] 20120315 CVE-2012-1179 kernel: thp: __split_huge_page() mapcount != page_mapcount BUG_ON()

Hyperlink:http://www.openwall.com/lists/oss-security/2012/03/15/7