CVE-2015-6252

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    CVE-2015-6252

    Published: 19 Oct 2015Last Modified: 10 Apr 2026

    Summary:

    Details: The vhost_dev_ioctl function in drivers/vhost/vhost.c in the Linux kernel before 4.1.5 allows local users to cause a denial of service (memory consumption) via a VHOST_SET_LOG_FD ioctl call that triggers permanent file-descriptor allocation.

    References: http://www.debian.org/security/2015/dsa-3364, http://www.ubuntu.com/usn/USN-2748-1, http://www.ubuntu.com/usn/USN-2749-1, http://www.ubuntu.com/usn/USN-2751-1, http://www.ubuntu.com/usn/USN-2752-1, http://www.ubuntu.com/usn/USN-2759-1, http://www.ubuntu.com/usn/USN-2760-1, http://www.ubuntu.com/usn/USN-2777-1, https://github.com/torvalds/linux/commit/7932c0bd7740f4cd2aa168d3ce0199e7af7d72d5, https://bugzilla.redhat.com/show_bug.cgi?id=1251839, http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=7932c0bd7740f4cd2aa168d3ce0199e7af7d72d5, http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00009.html, http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00035.html, http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00013.html, http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html, http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.1.5, http://www.openwall.com/lists/oss-security/2015/08/18/3, http://www.securityfocus.com/bid/76400, http://www.securitytracker.com/id/1033666

    Affected packages

    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
    CVE-2015-6252 | CVE-DB