UBUNTU-CVE-2014-7842

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    UBUNTU-CVE-2014-7842

    Published: 29 Nov 2014Last Modified: 22 Apr 2026
    Upstream:
    CVE-2014-7842
    Aliases:
    USN-2463-1
    USN-2464-1
    USN-2465-1

    Summary:

    Details: Race condition in arch/x86/kvm/x86.c in the Linux kernel before 3.17.4 allows guest OS users to cause a denial of service (guest OS crash) via a crafted application that performs an MMIO transaction or a PIO transaction to trigger a guest userspace emulation error report, a similar issue to CVE-2010-5313.

    References: https://ubuntu.com/security/CVE-2014-7842, https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=fc3a9157d314, https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a2b9e6c1a35a, https://ubuntu.com/security/notices/USN-2464-1, https://ubuntu.com/security/notices/USN-2465-1, https://ubuntu.com/security/notices/USN-2466-1, https://ubuntu.com/security/notices/USN-2467-1, https://ubuntu.com/security/notices/USN-2468-1, https://ubuntu.com/security/notices/USN-2463-1, https://www.cve.org/CVERecord?id=CVE-2014-7842

    Affected packages

    Package

    Name: linux

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -3.13.0-44.73

    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