UBUNTU-CVE-2019-11833

    Dashboard / Vulnerabilities / UBUNTU-CVE-2019-11833

    UBUNTU-CVE-2019-11833

    Published: 15 May 2019Last Modified: 9 Sept 2026
    Upstream:
    CVE-2019-11833
    Aliases:
    USN-4068-1
    USN-4068-2
    USN-4069-1

    Summary:

    Details: fs/ext4/extents.c in the Linux kernel through 5.1.2 does not zero out the unused memory region in the extent tree block, which might allow local users to obtain sensitive information by reading uninitialized data in the filesystem.

    References: https://ubuntu.com/security/CVE-2019-11833, https://github.com/torvalds/linux/commit/592acbf16821288ecdc4192c47e3774a4c48bb64, https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git/commit/?id=592acbf16821288ecdc4192c47e3774a4c48bb64, https://ubuntu.com/security/notices/USN-4068-1, https://ubuntu.com/security/notices/USN-4068-2, https://ubuntu.com/security/notices/USN-4069-1, https://ubuntu.com/security/notices/USN-4076-1, https://ubuntu.com/security/notices/USN-4069-2, https://ubuntu.com/security/notices/USN-4095-2, https://ubuntu.com/security/notices/USN-4118-1, https://www.cve.org/CVERecord?id=CVE-2019-11833

    Affected packages

    Package

    Name: linux-aws

    Purl: pkg:deb/ubuntu/linux-aws?arch=source&distro=trusty%2Fesm

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -4.4.0-1054.58

    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
    4.4.0-1040.43
    4.4.0-1042.45
    4.4.0-1044.47
    4.4.0-1045.48
    4.4.0-1046.50
    4.4.0-1048.52
    4.4.0-1050.54
    4.4.0-1052.56

    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