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    CVE-2023-6622

    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.

    Published:Dec 8, 2023
    Last Modified:Nov 6, 2025
    EPS:Dec 8, 2023
    EPSS Score:0.00011
    CVSS Score:5.5

    Affected Products

    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-476 NULL Pointer Dereference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    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://bugzilla.redhat.com/show_bug.cgi?id=2253632
    https://github.com/torvalds/linux/commit/3701cd390fd731ee7ae8b8006246c8db82c72bea
    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://bugzilla.redhat.com/show_bug.cgi?id=2253632
    https://github.com/torvalds/linux/commit/3701cd390fd731ee7ae8b8006246c8db82c72bea
    https://lists.fedoraproject.org/archives/list/[email protected]/message/AAOVK2F3ALGKYIQ5IOMAYEC2DGI7BWAW/
    https://lists.fedoraproject.org/archives/list/[email protected]/message/G3AGDVE3KBLOOYBPISFDS74R4YAZEDAY/

    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