CVE-2012-1179

Impact:
Moderate
Public Date:
2012-03-15
Bugzilla:
803793: CVE-2012-1179 kernel: thp:__split_huge_page() mapcount != page_mapcount BUG_ON()

The MITRE CVE dictionary describes this issue as:

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.

Find out more about CVE-2012-1179 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v2 metrics

Base Score 5.2
Base Metrics AV:A/AC:M/Au:S/C:N/I:N/A:C
Access Vector Adjacent Network
Access Complexity Medium
Authentication Single
Confidentiality Impact None
Integrity Impact None
Availability Impact Complete

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux Server EUS (v. 6.1) (kernel) RHSA-2012:1042 2012-06-26
Red Hat Enterprise Linux 6 (kernel) RHSA-2012:0743 2012-06-18

Affected Packages State

Platform Package State
Red Hat Enterprise MRG 2 realtime-kernel Not affected
Red Hat Enterprise Linux 5 kernel Not affected

Last Modified

CVE description copyright © 2017, The MITRE Corporation

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