CVE-2015-7512

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    CVE-2015-7512

    Published: 8 Jan 2016Last Modified: 16 Apr 2026

    Summary:

    Details: Buffer overflow in the pcnet_receive function in hw/net/pcnet.c in QEMU, when a guest NIC has a larger MTU, allows remote attackers to cause a denial of service (guest OS crash) or execute arbitrary code via a large packet.

    References: http://rhn.redhat.com/errata/RHSA-2015-2694.html, http://rhn.redhat.com/errata/RHSA-2015-2695.html, http://rhn.redhat.com/errata/RHSA-2015-2696.html, http://www.debian.org/security/2016/dsa-3469, http://www.debian.org/security/2016/dsa-3470, http://www.debian.org/security/2016/dsa-3471, http://www.openwall.com/lists/oss-security/2015/11/30/3, http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html, http://www.securityfocus.com/bid/78230, http://www.securitytracker.com/id/1034527, https://security.gentoo.org/glsa/201602-01, http://www.openwall.com/lists/oss-security/2015/11/30/3, http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=8b98a2f07175d46c3f7217639bd5e03f

    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