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    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.

    Published:Sep 29, 2010
    Last Modified:Apr 11, 2025
    EPS:Oct 8, 2010
    EPSS Score:0.00066
    CVSS Score:4.9

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    http://secunia.com/advisories/46397
    http://support.avaya.com/css/P8/documents/100113326
    http://www.redhat.com/support/errata/RHSA-2010-0723.html
    http://www.securityfocus.com/archive/1/520102/100/0/threaded
    http://www.securityfocus.com/bid/43578
    http://www.vmware.com/security/advisories/VMSA-2011-0012.html
    http://xenbits.xensource.com/xen-unstable.hg?rev/15911
    https://bugzilla.redhat.com/show_bug.cgi?id=620490
    http://secunia.com/advisories/46397
    http://support.avaya.com/css/P8/documents/100113326
    http://www.redhat.com/support/errata/RHSA-2010-0723.html
    http://www.securityfocus.com/archive/1/520102/100/0/threaded
    http://www.securityfocus.com/bid/43578
    http://www.vmware.com/security/advisories/VMSA-2011-0012.html
    http://xenbits.xensource.com/xen-unstable.hg?rev/15911
    https://bugzilla.redhat.com/show_bug.cgi?id=620490

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High