UBUNTU-CVE-2023-4569

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    UBUNTU-CVE-2023-4569

    Published: 28 Aug 2023Last Modified: 9 Sept 2026
    Upstream:
    CVE-2023-4569
    Aliases:
    USN-6383-1
    USN-6384-1
    USN-6385-1

    Summary:

    Details: A memory leak flaw was found in nft_set_catchall_flush in net/netfilter/nf_tables_api.c in the Linux Kernel. This issue may allow a local attacker to cause double-deactivations of catchall elements, which can result in a memory leak.

    References: https://ubuntu.com/security/CVE-2023-4569, https://patchwork.ozlabs.org/project/netfilter-devel/patch/[email protected]/, https://access.redhat.com/security/cve/CVE-2023-4569, https://ubuntu.com/security/notices/USN-6383-1, https://ubuntu.com/security/notices/USN-6384-1, https://ubuntu.com/security/notices/USN-6385-1, https://ubuntu.com/security/notices/USN-6386-1, https://ubuntu.com/security/notices/USN-6386-2, https://ubuntu.com/security/notices/USN-6386-3, https://ubuntu.com/security/notices/USN-6466-1, https://www.cve.org/CVERecord?id=CVE-2023-4569

    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-2023-4569 | CVE-DB