The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - netfilter: xt_hashlimit: validate hashtable supports XT_HASHLIMIT_RATE_MATCH The XT_HASHLIMIT_RATE_MATCH     flag mode changes the semantics of the dsthash_ent structure which represents an entry in the hashtable.
    There is a union area which uses a different layout to express the rate match mode. Update .checkentry     path to validate the XT_HASHLIMIT_RATE_MATCH mode flag is requested by two or more different rules that     refer to the same hashtable. Otherwise, uninitialized access to the burst field in the union is possible.
    Reject the use of the XT_HASHLIMIT_RATE_MATCH mode flag if set on by revision less than 3 too.
    (CVE-2026-74564)

Note that Nessus relies on the presence of the package as reported by the vendor.

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Linux Distros Unpatched Vulnerability : CVE-2026-74564

high Nessus Plugin ID 335784

Version 1.13