National Vulnerability Database (NVD) National Vulnerability Database (CVE-2012-2133)

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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: 56393
Checklists: 226
US-CERT Alerts: 246
US-CERT Vuln Notes: 2721
OVAL Queries: 8140
CPE Names: 73033

Last updated: Tue May 21 23:59:53 EDT 2013

CVE Publication rate: 12.07

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Vulnerability Workload Index: 6.09

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Vulnerability Summary for CVE-2012-2133

Original release date:07/03/2012

Last revised:08/14/2012

Source: US-CERT/NIST

Overview

Use-after-free vulnerability in the Linux kernel before 3.3.6, when huge pages are enabled, allows local users to cause a denial of service (system crash) or possibly gain privileges by interacting with a hugetlbfs filesystem, as demonstrated by a umount operation that triggers improper handling of quota data.

Impact

CVSS Severity (version 2.0):

CVSS v2 Base Score:4.0 (MEDIUM) (AV:L/AC:H/Au:N/C:N/I:N/A:C) (legend)

Impact Subscore: 6.9

Exploitability Subscore: 1.9

CVSS Version 2 Metrics:

Access Vector: Locally exploitable; Victim must voluntarily interact with attack mechanism

Access Complexity: High

Authentication: Not required to exploit

Impact Type:Allows disruption of serviceUnknown

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External Source: CONFIRM

Name: https://github.com/torvalds/linux/commit/90481622d75715bfcb68501280a917dbfe516029

Hyperlink:https://github.com/torvalds/linux/commit/90481622d75715bfcb68501280a917dbfe516029

External Source: CONFIRM

Name: https://bugzilla.redhat.com/show_bug.cgi?id=817430

Hyperlink:https://bugzilla.redhat.com/show_bug.cgi?id=817430

External Source: XF

Name: linux-kernel-hugepages-dos(75168)

Hyperlink:http://xforce.iss.net/xforce/xfdb/75168

External Source: BID

Name: 53233

Hyperlink:http://www.securityfocus.com/bid/53233