CVE-2012-1179

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Summary

CVECVE-2012-1179
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2012-05-17 11:00:37 UTC
Updated2026-04-29 01:13:23 UTC
DescriptionThe 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.

Risk And Classification

Primary CVSS: v2.0 5.2 from [email protected]

AV:A/AC:M/Au:S/C:N/I:N/A:C

Problem Types: CWE-264 | n/a

CVSS v2.0 Breakdown

Access Vector
Adjacent
Access Complexity
Medium
Authentication
Single
Confidentiality
None
Integrity
None
Availability
Complete

AV:A/AC:M/Au:S/C:N/I:N/A:C

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All rc7 All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
[SECURITY] Fedora 16 Update: kernel-3.2.10-3.fc16 af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org
www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.3.1 af854a3a-2127-422b-91ae-364da2661108 www.kernel.org
'[security bulletin] HPSBGN02970 rev.1 - HP Rapid Deployment Pack (RDP) or HP Insight Control Server ' - MARC af854a3a-2127-422b-91ae-364da2661108 marc.info
Bug 803793 – CVE-2012-1179 kernel: thp:__split_huge_page() mapcount != page_mapcount BUG_ON() af854a3a-2127-422b-91ae-364da2661108 bugzilla.redhat.com
oss-security - CVE-2012-1179 kernel: thp: __split_huge_page() mapcount != page_mapcount BUG_ON() af854a3a-2127-422b-91ae-364da2661108 www.openwall.com
mm: thp: fix pmd_bad() triggering in code paths holding mmap_sem read… · torvalds/linux@4a1d704 · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com
Linux Kernel KVM pmd_none_or_clear_bad() Bug Lets Local Guest Users Cause Denial of Service Conditions on the Host System - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com
[security-announce] SUSE-SU-2012:0554-1: important: Security update for af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
Security Advisory SA48898 - SUSE update for kernel - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com
Security Advisory SA48404 - Linux Kernel "__split_huge_page()" Race Condition Denial of Service Vulnerability - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 rhn.redhat.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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