UBUNTU-CVE-2016-2383

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    UBUNTU-CVE-2016-2383

    Published: 15 Feb 2016Last Modified: 4 Feb 2026
    Upstream:
    CVE-2016-2383

    Summary:

    Details: The adjust_branches function in kernel/bpf/verifier.c in the Linux kernel before 4.5 does not consider the delta in the backward-jump case, which allows local users to obtain sensitive information from kernel memory by creating a packet filter and then loading crafted BPF instructions.

    References: https://ubuntu.com/security/CVE-2016-2383, http://www.openwall.com/lists/oss-security/2016/02/14/1, https://ubuntu.com/security/notices/USN-2947-1, https://ubuntu.com/security/notices/USN-2947-2, https://ubuntu.com/security/notices/USN-2947-3, https://www.cve.org/CVERecord?id=CVE-2016-2383

    Affected packages

    Package

    Name: linux-lts-wily

    Purl: pkg:deb/ubuntu/[email protected]~14.04.1?arch=source&distro=trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -4.2.0-35.40~14.04.1

    Affected versions

    4.2.0-18.22~14.04.1
    4.2.0-19.23~14.04.1
    4.2.0-21.25~14.04.1
    4.2.0-22.27~14.04.1
    4.2.0-23.28~14.04.1
    4.2.0-25.30~14.04.1
    4.2.0-27.32~14.04.1
    4.2.0-30.35~14.04.1
    4.2.0-30.36~14.04.1
    4.2.0-34.39~14.04.1

    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
    UBUNTU-CVE-2016-2383 | CVE-DB