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    CVE-2017-11176

    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.

    Published:Jul 9, 2017
    Last Modified:Apr 20, 2025
    EPS:Jul 11, 2017
    EPSS Score:0.16262
    CVSS Score:7.8

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Enterprise Mrg
    Vendor
    Redhat
    Product
    Rhel Els
    Vendor
    Redhat
    Product
    Rhel Extras Rt

    Exploits

    https://www.exploit-db.com/exploits/45553https://github.com/c3r34lk1ll3r/CVE-2017-11176https://github.com/Cyb3rCr0wCC/cve-2017-11176https://github.com/DoubleMice/cve-2017-11176https://github.com/leonardo1101/cve-2017-11176https://github.com/lexfo/cve-2017-11176https://github.com/Sama-Ayman-Mokhtar/CVE-2017-11176https://github.com/Yanoro/CVE-2017-11176

    Common Weakness Enumeration

    CWE-416 Use After Free

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

    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