CVE-2018-13406

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    CVE-2018-13406

    Published: 6 Jul 2018Last Modified: 15 Mar 2026

    Summary:

    Details: An integer overflow in the uvesafb_setcmap function in drivers/video/fbdev/uvesafb.c in the Linux kernel before 4.17.4 could result in local attackers being able to crash the kernel or potentially elevate privileges because kmalloc_array is not used.

    References: http://www.securityfocus.com/bid/104685, https://usn.ubuntu.com/3752-2/, https://usn.ubuntu.com/3752-3/, https://usn.ubuntu.com/3753-1/, https://usn.ubuntu.com/3753-2/, http://www.securitytracker.com/id/1041355, https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.17.4, https://lists.debian.org/debian-lts-announce/2019/03/msg00017.html, https://usn.ubuntu.com/3752-1/, https://usn.ubuntu.com/3754-1/, http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9f645bcc566a1e9f921bdae7528a01ced5bc3713, https://github.com/torvalds/linux/commit/9f645bcc566a1e9f921bdae7528a01ced5bc3713

    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