CVE-2015-3456

    Dashboard / Vulnerabilities / CVE-2015-3456

    CVE-2015-3456

    Published: 13 May 2015Last Modified: 16 Apr 2026

    Summary:

    Details: The Floppy Disk Controller (FDC) in QEMU, as used in Xen 4.5.x and earlier and KVM, allows local guest users to cause a denial of service (out-of-bounds write and guest crash) or possibly execute arbitrary code via the (1) FD_CMD_READ_ID, (2) FD_CMD_DRIVE_SPECIFICATION_COMMAND, or other unspecified commands, aka VENOM.

    References: http://rhn.redhat.com/errata/RHSA-2015-0998.html, http://rhn.redhat.com/errata/RHSA-2015-0999.html, http://rhn.redhat.com/errata/RHSA-2015-1000.html, http://rhn.redhat.com/errata/RHSA-2015-1001.html, http://rhn.redhat.com/errata/RHSA-2015-1002.html, http://rhn.redhat.com/errata/RHSA-2015-1003.html, http://rhn.redhat.com/errata/RHSA-2015-1004.html, http://rhn.redhat.com/errata/RHSA-2015-1011.html, http://www.debian.org/security/2015/dsa-3259, http://www.debian.org/security/2015/dsa-3262, http://www.debian.org/security/2015/dsa-3274, http://www.fortiguard.com/advisory/2015-05-19-cve-2015-3456-venom-vulnerability, http://www.ubuntu.com/usn/USN-2608-1, http://www1.huawei.com/en/security/psirt/security-bulletins/security-advisories/hw-438937.htm, http://xenbits.xen.org/xsa/advisory-133.html, https://bto.bluecoat.com/security-advisory/sa95, https://security.gentoo.org/glsa/201602-01, https://security.gentoo.org/glsa/201604-03, https://security.gentoo.org/glsa/201612-27, https://www.arista.com/en/support/advisories-notices/security-advisories/1128-security-advisory-10, https://securityblog.redhat.com/2015/05/13/venom-dont-get-bitten/, http://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=e907746266721f305d67bc0718795fedee2e824c, http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10693, http://lists.fedoraproject.org/pipermail/package-announce/2015-May/158072.html, http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00009.html, http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00013.html, http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00014.html, http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00018.html, http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00019.html, http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00021.html, http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00042.html, http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00001.html, http://lists.opensuse.org/opensuse-updates/2015-08/msg00021.html, http://marc.info/?l=bugtraq&m=143229451215900&w=2, http://marc.info/?l=bugtraq&m=143387998230996&w=2, http://support.citrix.com/article/CTX201078, http://venom.crowdstrike.com/, http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html, http://www.securityfocus.com/bid/74640, http://www.securitytracker.com/id/1032306, http://www.securitytracker.com/id/1032311, http://www.securitytracker.com/id/1032917, https://access.redhat.com/articles/1444903, https://kb.juniper.net/JSA10783, https://kc.mcafee.com/corporate/index?page=content&id=SB10118, https://support.lenovo.com/us/en/product_security/venom, https://www.exploit-db.com/exploits/37053/, https://www.suse.com/security/cve/CVE-2015-3456.html

    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