UBUNTU-CVE-2012-1601

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    UBUNTU-CVE-2012-1601

    Published: 29 Mar 2012Last Modified: 4 Feb 2026
    Upstream:
    CVE-2012-1601
    Aliases:
    USN-1445-1
    USN-1448-1
    USN-1452-1

    Summary:

    Details: The KVM implementation in the Linux kernel before 3.3.6 allows host OS users to cause a denial of service (NULL pointer dereference and host OS crash) by making a KVM_CREATE_IRQCHIP ioctl call after a virtual CPU already exists.

    References: https://ubuntu.com/security/CVE-2012-1601, http://www.openwall.com/lists/oss-security/2012/03/29, http://comments.gmane.org/gmane.comp.emulators.kvm.devel/86217, https://ubuntu.com/security/notices/USN-1445-1, https://ubuntu.com/security/notices/USN-1448-1, https://ubuntu.com/security/notices/USN-1452-1, https://ubuntu.com/security/notices/USN-1453-1, https://ubuntu.com/security/notices/USN-1455-1, https://ubuntu.com/security/notices/USN-1457-1, https://ubuntu.com/security/notices/USN-1459-1, https://ubuntu.com/security/notices/USN-1460-1, https://ubuntu.com/security/notices/USN-1470-1, https://ubuntu.com/security/notices/USN-1507-1, https://www.cve.org/CVERecord?id=CVE-2012-1601

    Affected packages

    Package

    Name: linux

    Purl: pkg:deb/ubuntu/[email protected]?arch=source&distro=trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -3.11.0-12.19

    Affected versions

    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