UBUNTU-CVE-2023-4004

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    UBUNTU-CVE-2023-4004

    Published: 31 Jul 2023Last Modified: 9 Sept 2026
    Upstream:
    CVE-2023-4004
    Aliases:
    USN-6315-1
    USN-6316-1
    USN-6318-1

    Summary:

    Details: A use-after-free flaw was found in the Linux kernel's netfilter in the way a user triggers the nft_pipapo_remove function with the element, without a NFT_SET_EXT_KEY_END. This issue could allow a local user to crash the system or potentially escalate their privileges on the system.

    References: https://ubuntu.com/security/CVE-2023-4004, https://git.kernel.org/linus/87b5a5c209405cb6b57424cdfa226a6dbd349232, https://patchwork.ozlabs.org/project/netfilter-devel/patch/[email protected]/, https://ubuntu.com/security/notices/USN-6315-1, https://ubuntu.com/security/notices/USN-6316-1, https://ubuntu.com/security/notices/USN-6318-1, https://ubuntu.com/security/notices/USN-6321-1, https://ubuntu.com/security/notices/USN-6325-1, https://ubuntu.com/security/notices/USN-6328-1, https://ubuntu.com/security/notices/USN-6330-1, https://ubuntu.com/security/notices/USN-6332-1, https://ubuntu.com/security/notices/USN-6348-1, https://ubuntu.com/security/notices/USN-6385-1, https://ubuntu.com/security/notices/USN-6442-1, https://www.cve.org/CVERecord?id=CVE-2023-4004

    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-2023-4004 | CVE-DB