UBUNTU-CVE-2014-3611

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    UBUNTU-CVE-2014-3611

    Published: 23 Oct 2014Last Modified: 22 Apr 2026
    Upstream:
    CVE-2014-3611
    Aliases:
    USN-2394-1
    USN-2395-1
    USN-2396-1

    Summary:

    Details: Race condition in the __kvm_migrate_pit_timer function in arch/x86/kvm/i8254.c in the KVM subsystem in the Linux kernel through 3.17.2 allows guest OS users to cause a denial of service (host OS crash) by leveraging incorrect PIT emulation. A local guest user with access to the PIT i/o ports could use this flaw to crash the host.

    References: https://ubuntu.com/security/CVE-2014-3611, https://ubuntu.com/security/notices/USN-2394-1, https://ubuntu.com/security/notices/USN-2395-1, https://ubuntu.com/security/notices/USN-2396-1, https://ubuntu.com/security/notices/USN-2417-1, https://ubuntu.com/security/notices/USN-2418-1, https://ubuntu.com/security/notices/USN-2462-1, https://ubuntu.com/security/notices/USN-2491-1, https://www.cve.org/CVERecord?id=CVE-2014-3611

    Affected packages

    Package

    Name: linux

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -3.13.0-39.66

    Affected versions

    3.11.0-12.19

    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
    UBUNTU-CVE-2014-3611 | CVE-DB