UBUNTU-CVE-2023-2163

    Dashboard / Vulnerabilities / UBUNTU-CVE-2023-2163

    UBUNTU-CVE-2023-2163

    Published: 30 Jun 2023Last Modified: 9 Sept 2026
    Upstream:
    CVE-2023-2163
    Aliases:
    USN-6300-1
    USN-6311-1
    USN-6332-1

    Summary:

    Details: Incorrect verifier pruning in BPF in Linux Kernel >=5.4 leads to unsafe code paths being incorrectly marked as safe, resulting in arbitrary read/write in kernel memory, lateral privilege escalation, and container escape.

    References: https://ubuntu.com/security/CVE-2023-2163, https://git.kernel.org/linus/71b547f561247897a0a14f3082730156c0533fed, https://ubuntu.com/security/notices/USN-6300-1, https://ubuntu.com/security/notices/USN-6311-1, https://ubuntu.com/security/notices/USN-6332-1, https://ubuntu.com/security/notices/USN-6340-1, https://ubuntu.com/security/notices/USN-6347-1, https://ubuntu.com/security/notices/USN-6349-1, https://ubuntu.com/security/notices/USN-6340-2, https://ubuntu.com/security/notices/USN-6357-1, https://ubuntu.com/security/notices/USN-6385-1, https://ubuntu.com/security/notices/USN-6397-1, https://www.cve.org/CVERecord?id=CVE-2023-2163

    Affected packages

    Package

    Name: linux-hwe-edge

    Purl: pkg:deb/ubuntu/linux-hwe-edge?arch=source&distro=xenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    4.8.0-28.30~16.04.1
    4.8.0-30.32~16.04.1
    4.8.0-32.34~16.04.1
    4.8.0-34.36~16.04.1

    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-2023-2163 | CVE-DB