CVE-2017-7228

    Dashboard / Vulnerabilities / CVE-2017-7228

    CVE-2017-7228

    Published: 4 Apr 2017Last Modified: 10 Apr 2026

    Summary:

    Details: An issue (known as XSA-212) was discovered in Xen, with fixes available for 4.8.x, 4.7.x, 4.6.x, 4.5.x, and 4.4.x. The earlier XSA-29 fix introduced an insufficient check on XENMEM_exchange input, allowing the caller to drive hypervisor memory accesses outside of the guest provided input/output arrays.

    References: http://openwall.com/lists/oss-security/2017/04/04/3, http://www.debian.org/security/2017/dsa-3847, http://www.securityfocus.com/bid/97375, http://xenbits.xen.org/xsa/advisory-212.html, https://googleprojectzero.blogspot.com/2017/04/pandavirtualization-exploiting-xen.html, http://openwall.com/lists/oss-security/2017/04/04/3, https://googleprojectzero.blogspot.com/2017/04/pandavirtualization-exploiting-xen.html, http://xenbits.xen.org/xsa/advisory-212.html, http://www.securitytracker.com/id/1038223, https://github.com/QubesOS/qubes-secpack/blob/master/QSBs/qsb-029-2017.txt, https://www.exploit-db.com/exploits/41870/

    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