UBUNTU-CVE-2018-5344

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    UBUNTU-CVE-2018-5344

    Published: 12 Jan 2018Last Modified: 26 Aug 2026
    Upstream:
    CVE-2018-5344
    Aliases:
    USN-3583-1
    USN-3583-2
    USN-3617-1

    Summary:

    Details: In the Linux kernel through 4.14.13, drivers/block/loop.c mishandles lo_release serialization, which allows attackers to cause a denial of service (__lock_acquire use-after-free) or possibly have unspecified other impact.

    References: https://ubuntu.com/security/CVE-2018-5344, http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ae6650163c66a7eff1acd6eb8b0f752dcfa8eba5, https://github.com/torvalds/linux/commit/ae6650163c66a7eff1acd6eb8b0f752dcfa8eba5, https://ubuntu.com/security/notices/USN-3583-1, https://ubuntu.com/security/notices/USN-3583-2, https://ubuntu.com/security/notices/USN-3617-1, https://ubuntu.com/security/notices/USN-3617-2, https://ubuntu.com/security/notices/USN-3617-3, https://ubuntu.com/security/notices/USN-3619-1, https://ubuntu.com/security/notices/USN-3619-2, https://ubuntu.com/security/notices/USN-3632-1, https://www.cve.org/CVERecord?id=CVE-2018-5344

    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