CVE-2019-11833

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    CVE-2019-11833

    Published: 15 May 2019Last Modified: 16 Apr 2026

    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: http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00048.html, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GJGZIMGB72TL7OGWRMHIL43WHXFQWU4X/, http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00071.html, http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00039.html, http://packetstormsecurity.com/files/154951/Kernel-Live-Patch-Security-Notice-LSN-0058-1.html, https://access.redhat.com/errata/RHSA-2019:2043, https://access.redhat.com/errata/RHSA-2019:3309, https://lists.debian.org/debian-lts-announce/2019/06/msg00010.html, https://lists.debian.org/debian-lts-announce/2019/06/msg00011.html, https://usn.ubuntu.com/4068-1/, https://usn.ubuntu.com/4069-1/, https://seclists.org/bugtraq/2019/Jun/26, https://usn.ubuntu.com/4069-2/, https://usn.ubuntu.com/4076-1/, https://usn.ubuntu.com/4095-2/, https://usn.ubuntu.com/4118-1/, http://www.securityfocus.com/bid/108372, https://access.redhat.com/errata/RHSA-2019:2029, https://access.redhat.com/errata/RHSA-2019:3517, https://www.debian.org/security/2019/dsa-4465, https://usn.ubuntu.com/4068-2/, https://github.com/torvalds/linux/commit/592acbf16821288ecdc4192c47e3774a4c48bb64

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: N/A

    Events:

    Introduced- None
    Fixed -None

    Affected versions

    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
    CVE-2019-11833 | CVE-DB