UBUNTU-CVE-2017-14156

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    UBUNTU-CVE-2017-14156

    Published: 5 Sept 2017Last Modified: 26 Aug 2026
    Upstream:
    CVE-2017-14156
    Aliases:
    USN-3469-1
    USN-3469-2
    USN-3487-1

    Summary:

    Details: The atyfb_ioctl function in drivers/video/fbdev/aty/atyfb_base.c in the Linux kernel through 4.12.10 does not initialize a certain data structure, which allows local users to obtain sensitive information from kernel stack memory by reading locations associated with padding bytes.

    References: https://ubuntu.com/security/CVE-2017-14156, https://github.com/torvalds/linux/pull/441, https://marc.info/?l=linux-kernel&m=150401461613306&w=2, https://marc.info/?l=linux-kernel&m=150453196710422&w=2, https://ubuntu.com/security/notices/USN-3469-1, https://ubuntu.com/security/notices/USN-3469-2, https://ubuntu.com/security/notices/USN-3487-1, https://ubuntu.com/security/notices/USN-3583-1, https://ubuntu.com/security/notices/USN-3583-2, https://www.cve.org/CVERecord?id=CVE-2017-14156

    Affected packages

    Package

    Name: linux

    Purl: pkg:deb/ubuntu/linux?arch=source&distro=trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -3.13.0-142.191

    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
    UBUNTU-CVE-2017-14156 | CVE-DB