UBUNTU-CVE-2018-10840

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    UBUNTU-CVE-2018-10840

    Published: 16 Jul 2018Last Modified: 22 Apr 2026
    Upstream:
    CVE-2018-10840

    Summary:

    Details: Linux kernel is vulnerable to a heap-based buffer overflow in the fs/ext4/xattr.c:ext4_xattr_set_entry() function. An attacker could exploit this by operating on a mounted crafted ext4 image.

    References: https://ubuntu.com/security/CVE-2018-10840, https://bugzilla.kernel.org/show_bug.cgi?id=199347, https://ubuntu.com/security/notices/USN-3752-1, https://ubuntu.com/security/notices/USN-3752-2, https://ubuntu.com/security/notices/USN-3752-3, https://www.cve.org/CVERecord?id=CVE-2018-10840

    Affected packages

    Package

    Name: linux-azure

    Purl: pkg:deb/ubuntu/[email protected]~16.04.1?arch=source&distro=xenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -4.15.0-1022.22~16.04.1

    Affected versions

    4.11.0-1009.9
    4.11.0-1011.11
    4.11.0-1013.13
    4.11.0-1014.14
    4.11.0-1015.15
    4.11.0-1016.16

    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