CVE-2014-8595

    Dashboard / Vulnerabilities / CVE-2014-8595

    CVE-2014-8595

    Published: 19 Nov 2014Last Modified: 10 Apr 2026

    Summary:

    Details: arch/x86/x86_emulate/x86_emulate.c in Xen 3.2.1 through 4.4.x does not properly check privileges, which allows local HVM guest users to gain privileges or cause a denial of service (crash) via a crafted (1) CALL, (2) JMP, (3) RETF, (4) LCALL, (5) LJMP, or (6) LRET far branch instruction.

    References: http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00005.html, http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00010.html, http://secunia.com/advisories/62537, http://secunia.com/advisories/62672, http://www.debian.org/security/2015/dsa-3140, http://xenbits.xen.org/xsa/advisory-110.html, https://security.gentoo.org/glsa/201504-04, http://xenbits.xen.org/xsa/advisory-110.html, http://support.citrix.com/article/CTX200288, http://support.citrix.com/article/CTX201794, http://www.securityfocus.com/bid/71151, https://exchange.xforce.ibmcloud.com/vulnerabilities/98768

    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