CVE-2018-16862

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    CVE-2018-16862

    Published: 26 Nov 2018Last Modified: 16 Apr 2026

    Summary:

    Details: A security flaw was found in the Linux kernel in a way that the cleancache subsystem clears an inode after the final file truncation (removal). The new file created with the same inode may contain leftover pages from cleancache and the old file data instead of the new one.

    References: https://usn.ubuntu.com/4094-1/, https://usn.ubuntu.com/4118-1/, https://lists.debian.org/debian-lts-announce/2019/04/msg00004.html, https://usn.ubuntu.com/3879-2/, https://lists.debian.org/debian-lts-announce/2019/03/msg00017.html, https://lists.debian.org/debian-lts-announce/2019/03/msg00034.html, https://seclists.org/oss-sec/2018/q4/169, https://usn.ubuntu.com/3879-1/, http://www.securityfocus.com/bid/106009, https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16862, https://lore.kernel.org/patchwork/patch/1011367/

    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