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    CVE-2014-7842

    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.

    Published:Sep 24, 2014
    Last Modified:Apr 12, 2025
    EPS:Nov 30, 2014
    EPSS Score:0.00065
    CVSS Score:4.9

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    No exploit reference

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    References

    http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a2b9e6c1a35afcc0973acb72e591c714e78885ff
    http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00010.html
    http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.html
    http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00000.html
    http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00015.html
    http://rhn.redhat.com/errata/RHSA-2016-0855.html
    http://secunia.com/advisories/62305
    http://secunia.com/advisories/62326
    http://secunia.com/advisories/62336
    http://www.openwall.com/lists/oss-security/2014/11/13/7
    http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
    http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
    http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
    http://www.securityfocus.com/bid/71078
    https://bugzilla.redhat.com/show_bug.cgi?id=1163762
    https://github.com/torvalds/linux/commit/a2b9e6c1a35afcc0973acb72e591c714e78885ff
    https://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.17.4
    http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a2b9e6c1a35afcc0973acb72e591c714e78885ff
    http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00010.html
    http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.html
    http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00000.html
    http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00015.html
    http://rhn.redhat.com/errata/RHSA-2016-0855.html
    http://secunia.com/advisories/62305
    http://secunia.com/advisories/62326
    http://secunia.com/advisories/62336
    http://www.openwall.com/lists/oss-security/2014/11/13/7
    http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
    http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
    http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
    http://www.securityfocus.com/bid/71078
    https://bugzilla.redhat.com/show_bug.cgi?id=1163762
    https://github.com/torvalds/linux/commit/a2b9e6c1a35afcc0973acb72e591c714e78885ff
    https://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.17.4

    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