UBUNTU-CVE-2014-8086

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    UBUNTU-CVE-2014-8086

    Published: 13 Oct 2014Last Modified: 4 Feb 2026
    Upstream:
    CVE-2014-8086

    Summary:

    Details: Race condition in the ext4_file_write_iter function in fs/ext4/file.c in the Linux kernel through 3.17 allows local users to cause a denial of service (file unavailability) via a combination of a write action and an F_SETFL fcntl operation for the O_DIRECT flag.

    References: https://ubuntu.com/security/CVE-2014-8086, http://www.spinics.net/lists/linux-ext4/msg45683.html, https://ubuntu.com/security/notices/USN-2447-1, https://ubuntu.com/security/notices/USN-2448-1, https://www.cve.org/CVERecord?id=CVE-2014-8086

    Affected packages

    Package

    Name: linux-lts-utopic

    Purl: pkg:deb/ubuntu/[email protected]~14.04.1?arch=source&distro=trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -3.16.0-26.35~14.04.1

    Affected versions

    3.16.0-25.33~14.04.2

    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-2014-8086 | CVE-DB