CVE-2023-6622

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    CVE-2023-6622

    Published: 8 Dec 2023Last Modified: 28 Oct 2026

    Summary: Kernel: null pointer dereference vulnerability in nft_dynset_init()

    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://access.redhat.com/downloads/content/package-browser/, https://lists.fedoraproject.org/archives/list/[email protected]/message/AAOVK2F3ALGKYIQ5IOMAYEC2DGI7BWAW/, https://lists.fedoraproject.org/archives/list/[email protected]/message/G3AGDVE3KBLOOYBPISFDS74R4YAZEDAY/, https://access.redhat.com/errata/RHSA-2024:2394, https://access.redhat.com/errata/RHSA-2024:2950, https://access.redhat.com/errata/RHSA-2024:3138, https://access.redhat.com/security/cve/CVE-2023-6622, https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/6xxx/CVE-2023-6622.json, https://nvd.nist.gov/vuln/detail/CVE-2023-6622, https://bugzilla.redhat.com/show_bug.cgi?id=2253632, https://github.com/torvalds/linux/commit/3701cd390fd731ee7ae8b8006246c8db82c72bea

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -3701cd390fd731ee7ae8b8006246c8db82c72bea

    Affected versions

    v6.7-rc1

    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