CVE-2017-12193

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    CVE-2017-12193

    Published: 22 Nov 2017Last Modified: 16 Apr 2026

    Summary:

    Details: The assoc_array_insert_into_terminal_node function in lib/assoc_array.c in the Linux kernel before 4.13.11 mishandles node splitting, which allows local users to cause a denial of service (NULL pointer dereference and panic) via a crafted application, as demonstrated by the keyring key type, and key addition and link creation operations.

    References: https://usn.ubuntu.com/3698-1/, https://usn.ubuntu.com/3698-2/, http://www.securityfocus.com/bid/101678, https://access.redhat.com/errata/RHSA-2018:0151, https://bugzilla.redhat.com/show_bug.cgi?id=1501215, http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.11, https://github.com/torvalds/linux/commit/ea6789980fdaa610d7eb63602c746bf6ec70cd2b, http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ea6789980fdaa610d7eb63602c746bf6ec70cd2b

    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-2017-12193 | CVE-DB