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    CVE-2016-7914

    The assoc_array_insert_into_terminal_node function in lib/assoc_array.c in the Linux kernel before 4.5.3 does not check whether a slot is a leaf, which allows local users to obtain sensitive information from kernel memory or cause a denial of service (invalid pointer dereference and out-of-bounds read) via an application that uses associative-array data structures, as demonstrated by the keyutils test suite.

    Published:Apr 6, 2016
    Last Modified:Apr 12, 2025
    EPS:Nov 16, 2016
    EPSS Score:0.00181
    CVSS Score:5.5

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-540 Overread Buffers

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    References

    http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8d4a2ec1e0b41b0cf9a0c5cd4511da7f8e4f3de2
    http://rhn.redhat.com/errata/RHSA-2016-2574.html
    http://source.android.com/security/bulletin/2016-11-01.html
    http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.3
    http://www.securityfocus.com/bid/94138
    https://github.com/torvalds/linux/commit/8d4a2ec1e0b41b0cf9a0c5cd4511da7f8e4f3de2
    http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8d4a2ec1e0b41b0cf9a0c5cd4511da7f8e4f3de2
    http://rhn.redhat.com/errata/RHSA-2016-2574.html
    http://source.android.com/security/bulletin/2016-11-01.html
    http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.3
    http://www.securityfocus.com/bid/94138
    https://github.com/torvalds/linux/commit/8d4a2ec1e0b41b0cf9a0c5cd4511da7f8e4f3de2

    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