UBUNTU-CVE-2023-6622

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    UBUNTU-CVE-2023-6622

    Published: 8 Dec 2023Last Modified: 30 Sept 2026
    Upstream:
    CVE-2023-6622
    Aliases:
    USN-6624-1
    USN-6626-1
    USN-6626-2

    Summary:

    Details: A null pointer dereference vulnerability was found in nft_dynset_init() in net/netfilter/nft_dynset.c in nf_tables in the Linux kernel. This issue may allow a local attacker with CAP_NET_ADMIN user privilege to trigger a denial of service.

    References: https://ubuntu.com/security/CVE-2023-6622, https://git.kernel.org/linus/3701cd390fd731ee7ae8b8006246c8db82c72bea, https://access.redhat.com/security/cve/CVE-2023-6622, https://github.com/torvalds/linux/commit/3701cd390fd731ee7ae8b8006246c8db82c72bea, https://ubuntu.com/security/notices/USN-6624-1, https://ubuntu.com/security/notices/USN-6626-1, https://ubuntu.com/security/notices/USN-6628-1, https://ubuntu.com/security/notices/USN-6626-2, https://ubuntu.com/security/notices/USN-6628-2, https://ubuntu.com/security/notices/USN-6639-1, https://ubuntu.com/security/notices/USN-6626-3, https://ubuntu.com/security/notices/USN-6652-1, https://www.cve.org/CVERecord?id=CVE-2023-6622

    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-2023-6622 | CVE-DB