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    CVE-2023-6040

    An out-of-bounds access vulnerability involving netfilter was reported and fixed as: f1082dd31fe4 (netfilter: nf_tables: Reject tables of unsupported family); While creating a new netfilter table, lack of a safeguard against invalid nf_tables family (pf) values within `nf_tables_newtable` function enables an attacker to achieve out-of-bounds access.

    Published:Jan 12, 2024
    Last Modified:Jun 17, 2025
    EPS:Jan 12, 2024
    EPSS Score:0.00012
    CVSS Score:7.8

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    No exploit reference

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    References

    http://packetstormsecurity.com/files/177029/Kernel-Live-Patch-Security-Notice-LSN-0100-1.html
    http://www.openwall.com/lists/oss-security/2024/01/12/1
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-6040
    https://lists.debian.org/debian-lts-announce/2024/06/msg00016.html
    https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html
    https://www.openwall.com/lists/oss-security/2024/01/12/1
    http://packetstormsecurity.com/files/177029/Kernel-Live-Patch-Security-Notice-LSN-0100-1.html
    http://www.openwall.com/lists/oss-security/2024/01/12/1
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-6040
    https://lists.debian.org/debian-lts-announce/2024/06/msg00016.html
    https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html
    https://www.openwall.com/lists/oss-security/2024/01/12/1

    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