The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2023:7424 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: net/sched: sch_qfq component can be exploited if in qfq_change_agg function happens qfq_enqueue     overhead (CVE-2023-3611)

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

    * kernel: net/sched: Use-after-free vulnerabilities in the net/sched classifiers: cls_fw, cls_u32 and     cls_route (CVE-2023-4128, CVE-2023-4206, CVE-2023-4207, CVE-2023-4208)

    * hw: Intel: Gather Data Sampling (GDS) side channel vulnerability (CVE-2022-40982)

    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.

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 7 : kernel-rt (RHSA-2023:7424)

critical Nessus Plugin ID 186043

Version 1.3