CVE-2017-11176

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    CVE-2017-11176

    Published: 11 Jul 2017Last Modified: 15 Mar 2026

    Summary:

    Details: The mq_notify function in the Linux kernel through 4.11.9 does not set the sock pointer to NULL upon entry into the retry logic. During a user-space close of a Netlink socket, it allows attackers to cause a denial of service (use-after-free) or possibly have unspecified other impact.

    References: https://access.redhat.com/errata/RHSA-2017:2918, https://access.redhat.com/errata/RHSA-2017:2930, https://access.redhat.com/errata/RHSA-2017:2931, https://access.redhat.com/errata/RHSA-2018:0169, http://www.securityfocus.com/bid/99919, https://access.redhat.com/errata/RHSA-2018:3822, https://help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+StruxureWare+Data+Center+Expert+v7.6.0, https://www.exploit-db.com/exploits/45553/, http://www.debian.org/security/2017/dsa-3927, http://www.debian.org/security/2017/dsa-3945, https://github.com/torvalds/linux/commit/f991af3daabaecff34684fd51fac80319d1baad1, http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f991af3daabaecff34684fd51fac80319d1baad1

    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
    CVE-2017-11176 | CVE-DB