The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2023:4961 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: Use-after-free vulnerability in the Linux Kernel traffic control index filter (CVE-2023-1829)

    * kernel: ipvlan: out-of-bounds write caused by unclear skb->cb (CVE-2023-3090)

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

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

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

    * kernel: cls_flower: out-of-bounds write in fl_set_geneve_opt() (CVE-2023-35788)

    * Kernel: bluetooth: Unauthorized management command execution (CVE-2023-2002)

    * kernel: OOB access in the Linux kernel's XFS subsystem (CVE-2023-2124)

    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 RHEL-8.4.z19 source tree (BZ#2222004)

    * pods get restarted due to failed probes (BZ#2227240)

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.

Detections

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RHEL 8 : kernel-rt (RHSA-2023:4961)

critical Nessus Plugin ID 180500

Version 1.3