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    CVE-2012-5515

    The (1) XENMEM_decrease_reservation, (2) XENMEM_populate_physmap, and (3) XENMEM_exchange hypercalls in Xen 4.2 and earlier allow local guest administrators to cause a denial of service (long loop and hang) via a crafted extent_order value.

    Published:Dec 3, 2012
    Last Modified:Apr 11, 2025
    EPS:Dec 13, 2012
    EPSS Score:0.00141
    CVSS Score:4.7

    Affected Products

    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Xen
    Product
    Xen

    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://lists.opensuse.org/opensuse-security-announce/2012-12/msg00000.html
    http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00001.html
    http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00018.html
    http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00019.html
    http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00011.html
    http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html
    http://lists.opensuse.org/opensuse-security-announce/2014-04/msg00000.html
    http://lists.opensuse.org/opensuse-updates/2013-04/msg00051.html
    http://lists.opensuse.org/opensuse-updates/2013-04/msg00052.html
    http://lists.xen.org/archives/html/xen-announce/2012-12/msg00001.html
    http://secunia.com/advisories/51397
    http://secunia.com/advisories/51468
    http://secunia.com/advisories/51486
    http://secunia.com/advisories/51487
    http://secunia.com/advisories/51495
    http://secunia.com/advisories/55082
    http://security.gentoo.org/glsa/glsa-201309-24.xml
    http://support.citrix.com/article/CTX135777
    http://www.debian.org/security/2012/dsa-2582
    http://www.openwall.com/lists/oss-security/2012/12/03/9
    http://www.osvdb.org/88127
    http://www.securityfocus.com/bid/56798
    https://exchange.xforce.ibmcloud.com/vulnerabilities/80479
    http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00000.html
    http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00001.html
    http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00018.html
    http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00019.html
    http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00011.html
    http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html
    http://lists.opensuse.org/opensuse-security-announce/2014-04/msg00000.html
    http://lists.opensuse.org/opensuse-updates/2013-04/msg00051.html
    http://lists.opensuse.org/opensuse-updates/2013-04/msg00052.html
    http://lists.xen.org/archives/html/xen-announce/2012-12/msg00001.html
    http://secunia.com/advisories/51397
    http://secunia.com/advisories/51468
    http://secunia.com/advisories/51486
    http://secunia.com/advisories/51487
    http://secunia.com/advisories/51495
    http://secunia.com/advisories/55082
    http://security.gentoo.org/glsa/glsa-201309-24.xml
    http://support.citrix.com/article/CTX135777
    http://www.debian.org/security/2012/dsa-2582
    http://www.openwall.com/lists/oss-security/2012/12/03/9
    http://www.osvdb.org/88127
    http://www.securityfocus.com/bid/56798
    https://exchange.xforce.ibmcloud.com/vulnerabilities/80479

    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