UBUNTU-CVE-2018-13406

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    UBUNTU-CVE-2018-13406

    Published: 6 Jul 2018Last Modified: 22 Apr 2026
    Upstream:
    CVE-2018-13406
    Aliases:
    USN-3752-1
    USN-3752-2
    USN-3752-3

    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: https://ubuntu.com/security/CVE-2018-13406, https://git.kernel.org/linus/9f645bcc566a1e9f921bdae7528a01ced5bc3713, http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9f645bcc566a1e9f921bdae7528a01ced5bc3713, https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.17.4, https://github.com/torvalds/linux/commit/9f645bcc566a1e9f921bdae7528a01ced5bc3713, https://ubuntu.com/security/notices/USN-3752-1, https://ubuntu.com/security/notices/USN-3752-2, https://ubuntu.com/security/notices/USN-3753-1, https://ubuntu.com/security/notices/USN-3753-2, https://ubuntu.com/security/notices/USN-3754-1, https://ubuntu.com/security/notices/USN-3752-3, https://www.cve.org/CVERecord?id=CVE-2018-13406

    Affected packages

    Package

    Name: linux

    Purl: pkg:deb/ubuntu/[email protected]?arch=source&distro=trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -3.13.0-157.207

    Affected versions

    3.11.0-12.19

    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