National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2012-1179 Detail

Description

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.

Source:  MITRE      Last Modified:  05/17/2012

Quick Info

CVE Dictionary Entry:
CVE-2012-1179
Original release date:
05/17/2012
Last revised:
12/28/2017
Source:
US-CERT/NIST

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score:
5.2 MEDIUM
Vector:
(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 service

References to Advisories, Solutions, and Tools

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Hyperlink Resource Type Source Name
http://lists.fedoraproject.org/pipermail/package-announce/2012-March/075781.html External Source FEDORA FEDORA-2012-3712
http://lists.opensuse.org/opensuse-security-announce/2012-04/msg00021.html External Source SUSE SUSE-SU-2012:0554
http://marc.info/?l=bugtraq&m=139447903326211&w=2 External Source HP HPSBGN02970
http://rhn.redhat.com/errata/RHSA-2012-0743.html External Source REDHAT RHSA-2012:0743
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.3.1 External Source CONFIRM http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.3.1
http://www.openwall.com/lists/oss-security/2012/03/15/7 External Source MLIST [oss-security] 20120315 CVE-2012-1179 kernel: thp: __split_huge_page() mapcount != page_mapcount BUG_ON()
http://www.securitytracker.com/id?1027084 External Source SECTRACK 1027084
https://bugzilla.redhat.com/show_bug.cgi?id=803793 External Source CONFIRM https://bugzilla.redhat.com/show_bug.cgi?id=803793
https://github.com/torvalds/linux/commit/4a1d704194a441bf83c636004a479e01360ec850 External Source CONFIRM https://github.com/torvalds/linux/commit/4a1d704194a441bf83c636004a479e01360ec850

Technical Details

Vulnerability Type (View All)

  • Permissions, Privileges, and Access Control (CWE-264)

Change History 4 change records found - show changes