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Vulnerability Details : CVE-2010-2938

arch/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.
Publish Date : 2010-10-08 Last Update Date : 2018-10-10
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- CVSS Scores & Vulnerability Types

CVSS Score
4.9
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of Service
CWE ID 399

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat moderate
5.5
AV:A/AC:L/Au:S/C:N/I:N/A:C 2010-08-04 2010-09-29
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- Related OVAL Definitions

Title Definition Id Class Family
DEPRECATED: ELSA-2010-0723 -- kernel security and bug fix update (important) oval:org.mitre.oval:def:27874 unix
ELSA-2010:0723: kernel security and bug fix update (Important) oval:org.mitre.oval:def:23145 unix
RHSA-2010:0723: kernel security and bug fix update (Important) oval:com.redhat.rhsa:def:20100723 unix
RHSA-2010:0723: kernel security and bug fix update (Important) oval:org.mitre.oval:def:22277 unix
VMware ESX third party updates for Service Console packages glibc and dhcp oval:org.mitre.oval:def:20124 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2010-2938

# Product Type Vendor Product Version Update Edition Language
1 OS Linux Linux Kernel 2.6.18 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Linux Linux Kernel 1

- References For CVE-2010-2938

https://bugzilla.redhat.com/show_bug.cgi?id=620490 CONFIRM
http://www.vmware.com/security/advisories/VMSA-2011-0012.html CONFIRM
http://xenbits.xensource.com/xen-unstable.hg?rev/15911 CONFIRM
http://www.securityfocus.com/archive/1/520102/100/0/threaded
BUGTRAQ 20111013 VMSA-2011-0012 VMware ESXi and ESX updates to third party libraries and ESX Service Console
http://www.securityfocus.com/bid/43578
BID 43578 Linux Kernel Xen Hypervisor Implementation Denial of Service Vulnerability Release Date:2010-10-15
http://support.avaya.com/css/P8/documents/100113326 CONFIRM
http://www.redhat.com/support/errata/RHSA-2010-0723.html
REDHAT RHSA-2010:0723

- Vulnerability Conditions

Vulnerability is valid if product versions listed below are used TOGETHER WITH(AND)

- Metasploit Modules Related To CVE-2010-2938

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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