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    CVE-2017-2583

    The load_segment_descriptor implementation in arch/x86/kvm/emulate.c in the Linux kernel before 4.9.5 improperly emulates a "MOV SS, NULL selector" instruction, which allows guest OS users to cause a denial of service (guest OS crash) or gain guest OS privileges via a crafted application.

    Published:Jan 12, 2017
    Last Modified:Apr 20, 2025
    EPS:Feb 6, 2017
    EPSS Score:0.0008
    CVSS Score:8.4

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Rhel Extras Rt

    Exploits

    No exploit reference

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    References

    http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=33ab91103b3415e12457e3104f0e4517ce12d0f3
    http://www.debian.org/security/2017/dsa-3791
    http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.5
    http://www.openwall.com/lists/oss-security/2017/01/19/2
    http://www.securityfocus.com/bid/95673
    https://access.redhat.com/errata/RHSA-2017:1615
    https://access.redhat.com/errata/RHSA-2017:1616
    https://bugzilla.redhat.com/show_bug.cgi?id=1414735
    https://github.com/torvalds/linux/commit/33ab91103b3415e12457e3104f0e4517ce12d0f3
    https://usn.ubuntu.com/3754-1/
    http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=33ab91103b3415e12457e3104f0e4517ce12d0f3
    http://www.debian.org/security/2017/dsa-3791
    http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.5
    http://www.openwall.com/lists/oss-security/2017/01/19/2
    http://www.securityfocus.com/bid/95673
    https://access.redhat.com/errata/RHSA-2017:1615
    https://access.redhat.com/errata/RHSA-2017:1616
    https://bugzilla.redhat.com/show_bug.cgi?id=1414735
    https://github.com/torvalds/linux/commit/33ab91103b3415e12457e3104f0e4517ce12d0f3
    https://usn.ubuntu.com/3754-1/

    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