CVE-2014-1895

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    CVE-2014-1895

    Published: 1 Apr 2014Last Modified: 10 Apr 2026

    Summary:

    Details: Off-by-one error in the flask_security_avc_cachestats function in xsm/flask/flask_op.c in Xen 4.2.x and 4.3.x, when the maximum number of physical CPUs are in use, allows local users to cause a denial of service (host crash) or obtain sensitive information from hypervisor memory by leveraging a FLASK_AVC_CACHESTAT hypercall, which triggers a buffer over-read.

    References: http://security.gentoo.org/glsa/glsa-201407-03.xml, http://xenbits.xen.org/xsa/advisory-85.html, http://xenbits.xen.org/xsa/advisory-85.html, http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00011.html, http://www.openwall.com/lists/oss-security/2014/02/07/12, http://www.openwall.com/lists/oss-security/2014/02/10/6

    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
    CVE-2014-1895 | CVE-DB