CVE-2010-2938

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Summary

CVECVE-2010-2938
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2010-10-08 21:00:02 UTC
Updated2026-04-29 01:13:23 UTC
Descriptionarch/x86/hvm/vmx/vmcs.c in the virtual-machine control structure (VMCS) implementation in the Linux kernel 2.6.18 on Red Hat Enterprise Linux (RHEL) 5, when an Intel platform without Extended Page Tables (EPT) functionality is used, accesses VMCS fields without verifying hardware support for these fields, which allows local users to cause a denial of service (host OS crash) by requesting a VMCS dump for a fully virtualized Xen guest.

Risk And Classification

Primary CVSS: v2.0 4.9 from [email protected]

AV:L/AC:L/Au:N/C:N/I:N/A:C

Problem Types: CWE-399 | n/a

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Complete

AV:L/AC:L/Au:N/C:N/I:N/A:C

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel 2.6.18 All All All
Operating System Redhat Enterprise Linux 5 All All All

Vendor Declared Affected Products

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

References

ReferenceSourceLinkTags
620490 – (CVE-2010-2938) CVE-2010-2938 kernel: guest crashes on non-EPT machines may crash the host as well af854a3a-2127-422b-91ae-364da2661108 bugzilla.redhat.com
SecurityFocus af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
Linux Kernel Xen Hypervisor Implementation Denial of Service Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
xen-unstable.hg: log af854a3a-2127-422b-91ae-364da2661108 xenbits.xensource.com
Support af854a3a-2127-422b-91ae-364da2661108 www.redhat.com
About Secunia Research | Flexera af854a3a-2127-422b-91ae-364da2661108 secunia.com
VMSA-2011-0012.2 af854a3a-2127-422b-91ae-364da2661108 www.vmware.com
ASA-2010-291 (RHSA-2010-0723) af854a3a-2127-422b-91ae-364da2661108 support.avaya.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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