UBUNTU-CVE-2018-14612

    Dashboard / Vulnerabilities / UBUNTU-CVE-2018-14612

    UBUNTU-CVE-2018-14612

    Published: 27 Jul 2018Last Modified: 9 Sept 2026
    Upstream:
    CVE-2018-14612
    Aliases:
    USN-3932-1
    USN-3932-2
    USN-4094-1

    Summary:

    Details: An issue was discovered in the Linux kernel through 4.17.10. There is an invalid pointer dereference in btrfs_root_node() when mounting a crafted btrfs image, because of a lack of chunk block group mapping validation in btrfs_read_block_groups in fs/btrfs/extent-tree.c, and a lack of empty-tree checks in check_leaf in fs/btrfs/tree-checker.c.

    References: https://ubuntu.com/security/CVE-2018-14612, https://bugzilla.kernel.org/show_bug.cgi?id=199847, https://patchwork.kernel.org/patch/10503403/, https://patchwork.kernel.org/patch/10503413/, https://ubuntu.com/security/notices/USN-3932-1, https://ubuntu.com/security/notices/USN-3932-2, https://ubuntu.com/security/notices/USN-4094-1, https://ubuntu.com/security/notices/USN-4118-1, https://www.cve.org/CVERecord?id=CVE-2018-14612

    Affected packages

    Package

    Name: linux-aws

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -4.4.0-1040.43

    Affected versions

    4.4.0-1002.2
    4.4.0-1003.3
    4.4.0-1005.5
    4.4.0-1006.6
    4.4.0-1009.9
    4.4.0-1010.10
    4.4.0-1011.11
    4.4.0-1012.12
    4.4.0-1014.14
    4.4.0-1016.16
    4.4.0-1017.17
    4.4.0-1019.19
    4.4.0-1022.22
    4.4.0-1023.23
    4.4.0-1024.25
    4.4.0-1025.26
    4.4.0-1027.30
    4.4.0-1028.31
    4.4.0-1029.32
    4.4.0-1031.34
    4.4.0-1032.35
    4.4.0-1034.37
    4.4.0-1036.39
    4.4.0-1037.40
    4.4.0-1038.41
    4.4.0-1039.42

    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