CVE-2015-2151

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    CVE-2015-2151

    Published: 12 Mar 2015Last Modified: 16 Apr 2026

    Summary:

    Details: The x86 emulator in Xen 3.2.x through 4.5.x does not properly ignore segment overrides for instructions with register operands, which allows local guest users to obtain sensitive information, cause a denial of service (memory corruption), or possibly execute arbitrary code via unspecified vectors.

    References: http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152483.html, http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152588.html, http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152776.html, http://www.debian.org/security/2015/dsa-3181, http://www.securitytracker.com/id/1031806, http://www.securitytracker.com/id/1031903, http://www1.huawei.com/en/security/psirt/security-bulletins/security-advisories/hw-423503.htm, http://xenbits.xen.org/xsa/advisory-123.html, https://security.gentoo.org/glsa/201604-03, http://xenbits.xen.org/xsa/advisory-123.html, http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10761, http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00014.html, http://support.citrix.com/article/CTX200484, http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html, http://www.securityfocus.com/bid/73015

    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-2015-2151 | CVE-DB