CVE-2015-5156

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    CVE-2015-5156

    Published: 19 Oct 2015Last Modified: 16 Apr 2026

    Summary:

    Details: The virtnet_probe function in drivers/net/virtio_net.c in the Linux kernel before 4.2 attempts to support a FRAGLIST feature without proper memory allocation, which allows guest OS users to cause a denial of service (buffer overflow and memory corruption) via a crafted sequence of fragmented packets.

    References: http://rhn.redhat.com/errata/RHSA-2015-1978.html, http://rhn.redhat.com/errata/RHSA-2016-0855.html, http://www.debian.org/security/2015/dsa-3364, http://www.ubuntu.com/usn/USN-2773-1, http://www.ubuntu.com/usn/USN-2774-1, http://www.ubuntu.com/usn/USN-2777-1, https://github.com/torvalds/linux/commit/48900cb6af4282fa0fb6ff4d72a81aa3dadb5c39, https://bugzilla.redhat.com/show_bug.cgi?id=1243852, http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=48900cb6af4282fa0fb6ff4d72a81aa3dadb5c39, http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171454.html, http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169378.html, http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00009.html, http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00018.html, 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/76230, http://www.securitytracker.com/id/1034045

    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-2015-5156 | CVE-DB