The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2023:5091 advisory.

    The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with     extremely high determinism requirements.

    Security Fix(es):

    * kernel: UAF in nftables when nft_set_lookup_global triggered after handling named and anonymous sets in     batch requests (CVE-2023-3390)

    * kernel: netfilter: nf_tables: fix chain binding transaction logic in the abort path of NFT_MSG_NEWRULE     (CVE-2023-3610)

    * kernel: net/sched: cls_fw component can be exploited as result of failure in tcf_change_indev function     (CVE-2023-3776)

    * kernel: netfilter: use-after-free due to improper element removal in nft_pipapo_remove() (CVE-2023-4004)

    * kernel: netfilter: nf_tables_newrule when adding a rule with NFTA_RULE_CHAIN_ID leads to use-after-free     (CVE-2023-4147)

    * kernel: nf_tables: use-after-free in nft_chain_lookup_byid() (CVE-2023-31248)

    * kernel: nf_tables: stack-out-of-bounds-read in nft_byteorder_eval() (CVE-2023-35001)

    * kernel: save/restore speculative MSRs during S3 suspend/resume (CVE-2023-1637)

    * hw: amd: Cross-Process Information Leak (CVE-2023-20593)

    * kernel: bypass of shadow stack protection due to a logic error (CVE-2023-21102)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

    Bug Fix(es):

    * kernel-rt: update RT source tree to the latest RHEL-9.2.z3 Batch (BZ#2228482)

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

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RHEL 9 : kernel-rt (RHSA-2023:5091)

critical Nessus Plugin ID 181283

Version 1.3