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    CVE-2015-7513

    arch/x86/kvm/x86.c in the Linux kernel before 4.4 does not reset the PIT counter values during state restoration, which allows guest OS users to cause a denial of service (divide-by-zero error and host OS crash) via a zero value, related to the kvm_vm_ioctl_set_pit and kvm_vm_ioctl_set_pit2 functions.

    Published:Jan 5, 2016
    Last Modified:Apr 12, 2025
    EPS:Feb 8, 2016
    EPSS Score:0.00102
    CVSS Score:6.5

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Linux
    Product
    Linux Kernel

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-369 Divide By Zero

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0185604c2d82c560dab2f2933a18f797e74ab5a8
    http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176484.html
    http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175792.html
    http://lists.fedoraproject.org/pipermail/package-announce/2016-January/176194.html
    http://www.debian.org/security/2016/dsa-3434
    http://www.openwall.com/lists/oss-security/2016/01/07/2
    http://www.securityfocus.com/bid/79901
    http://www.securitytracker.com/id/1034602
    http://www.ubuntu.com/usn/USN-2886-1
    http://www.ubuntu.com/usn/USN-2887-1
    http://www.ubuntu.com/usn/USN-2887-2
    http://www.ubuntu.com/usn/USN-2888-1
    http://www.ubuntu.com/usn/USN-2889-1
    http://www.ubuntu.com/usn/USN-2889-2
    http://www.ubuntu.com/usn/USN-2890-1
    http://www.ubuntu.com/usn/USN-2890-2
    http://www.ubuntu.com/usn/USN-2890-3
    https://bugzilla.redhat.com/show_bug.cgi?id=1284847
    https://github.com/torvalds/linux/commit/0185604c2d82c560dab2f2933a18f797e74ab5a8
    http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0185604c2d82c560dab2f2933a18f797e74ab5a8
    http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176484.html
    http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175792.html
    http://lists.fedoraproject.org/pipermail/package-announce/2016-January/176194.html
    http://www.debian.org/security/2016/dsa-3434
    http://www.openwall.com/lists/oss-security/2016/01/07/2
    http://www.securityfocus.com/bid/79901
    http://www.securitytracker.com/id/1034602
    http://www.ubuntu.com/usn/USN-2886-1
    http://www.ubuntu.com/usn/USN-2887-1
    http://www.ubuntu.com/usn/USN-2887-2
    http://www.ubuntu.com/usn/USN-2888-1
    http://www.ubuntu.com/usn/USN-2889-1
    http://www.ubuntu.com/usn/USN-2889-2
    http://www.ubuntu.com/usn/USN-2890-1
    http://www.ubuntu.com/usn/USN-2890-2
    http://www.ubuntu.com/usn/USN-2890-3
    https://bugzilla.redhat.com/show_bug.cgi?id=1284847
    https://github.com/torvalds/linux/commit/0185604c2d82c560dab2f2933a18f797e74ab5a8

    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