CVE-2013-4154

    Dashboard / Vulnerabilities / CVE-2013-4154

    CVE-2013-4154

    Published: 30 Sept 2013Last Modified: 10 Apr 2026

    Summary:

    Details: The qemuAgentCommand function in libvirt before 1.1.1, when a guest agent is not configured, allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via vectors related to "agent based cpu (un)plug," as demonstrated by the "virsh vcpucount foobar --guest" command.

    References: https://bugzilla.redhat.com/show_bug.cgi?id=984821, http://openwall.com/lists/oss-security/2013/07/19/12, https://bugzilla.redhat.com/show_bug.cgi?id=986386, http://libvirt.org/git/?p=libvirt.git%3Ba=commitdiff%3Bh=96518d4316b711c72205117f8d5c967d5127bbb6, http://libvirt.org/news.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