CVE-2017-7472

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    CVE-2017-7472

    Published: 11 May 2017Last Modified: 16 Apr 2026

    Summary:

    Details: The KEYS subsystem in the Linux kernel before 4.10.13 allows local users to cause a denial of service (memory consumption) via a series of KEY_REQKEY_DEFL_THREAD_KEYRING keyctl_set_reqkey_keyring calls.

    References: http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00007.html, http://www.securityfocus.com/bid/98422, https://lkml.org/lkml/2017/4/1/235, https://lkml.org/lkml/2017/4/3/724, http://www.securitytracker.com/id/1038471, https://www.exploit-db.com/exploits/42136/, https://access.redhat.com/errata/RHSA-2018:0152, https://access.redhat.com/errata/RHSA-2018:0151, https://access.redhat.com/errata/RHSA-2018:0181, https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.10.13, http://openwall.com/lists/oss-security/2017/05/11/1, https://bugzilla.redhat.com/show_bug.cgi?id=1442086, https://github.com/torvalds/linux/commit/c9f838d104fed6f2f61d68164712e3204bf5271b, https://bugzilla.novell.com/show_bug.cgi?id=1034862, http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c9f838d104fed6f2f61d68164712e3204bf5271b

    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-2017-7472 | CVE-DB