CVE-2012-3496

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    CVE-2012-3496

    Published: 23 Nov 2012Last Modified: 10 Apr 2026

    Summary:

    Details: XENMEM_populate_physmap in Xen 4.0, 4.1, and 4.2, and Citrix XenServer 6.0.2 and earlier, when translating paging mode is not used, allows local PV OS guest kernels to cause a denial of service (BUG triggered and host crash) via invalid flags such as MEMF_populate_on_demand.

    References: http://lists.xen.org/archives/html/xen-announce/2012-09/msg00002.html, http://secunia.com/advisories/50472, http://secunia.com/advisories/50530, http://secunia.com/advisories/51413, http://secunia.com/advisories/55082, http://security.gentoo.org/glsa/glsa-201309-24.xml, http://support.citrix.com/article/CTX134708, http://www.debian.org/security/2012/dsa-2544, https://security.gentoo.org/glsa/201604-03, http://support.citrix.com/article/CTX134708, https://bugzilla.redhat.com/show_bug.cgi?id=854590, http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00003.html, http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00004.html, http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00012.html, http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00017.html, http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00018.html, http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html, http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html, http://securitytracker.com/id?1027481, http://wiki.xen.org/wiki/Security_Announcements#XSA-14_XENMEM_populate_physmap_DoS_vulnerability, http://www.openwall.com/lists/oss-security/2012/09/05/7, http://www.osvdb.org/85200, http://www.securityfocus.com/bid/55412, https://exchange.xforce.ibmcloud.com/vulnerabilities/78267

    Affected packages

    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