CVE-2016-2143

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    CVE-2016-2143

    Published: 27 Apr 2016Last Modified: 16 Apr 2026

    Summary:

    Details: The fork implementation in the Linux kernel before 4.5 on s390 platforms mishandles the case of four page-table levels, which allows local users to cause a denial of service (system crash) or possibly have unspecified other impact via a crafted application, related to arch/s390/include/asm/mmu_context.h and arch/s390/include/asm/pgalloc.h.

    References: http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00019.html, http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00052.html, http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00054.html, http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00059.html, http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html, http://rhn.redhat.com/errata/RHSA-2016-2766.html, http://www.debian.org/security/2016/dsa-3607, http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.html, http://rhn.redhat.com/errata/RHSA-2016-1539.html, http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html, https://security-tracker.debian.org/tracker/CVE-2016-2143, https://github.com/torvalds/linux/commit/3446c13b268af86391d06611327006b059b8bab1, http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=3446c13b268af86391d06611327006b059b8bab1

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: N/A

    Events:

    Introduced- None
    Fixed -None

    Affected versions

    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