The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2023:7389 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: cls_fw component can be exploited as result of failure in tcf_change_indev function     (CVE-2023-3776)

    * kernel: tun: bugs for oversize packet when napi frags enabled in tun_napi_alloc_frags (CVE-2023-3812)

    * 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: netfilter: potential slab-out-of-bound access due to integer underflow (CVE-2023-42753)

    * kernel: use-after-free due to race condition in qdisc_graft() (CVE-2023-0590)

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

    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

Analytics

RHEL 9 : kernel-rt (RHSA-2023:7389)

critical Nessus Plugin ID 186073

Version 1.3

Version 1.2

Version 1.1

Version 1.0

Version 1.3 Nov 7, 2024, 8:25 PM CVSS metrics ("Cvssv4 score" set to 9.3) Plugin metadata Plugin Feed: 202411072025
Version 1.2 Nov 5, 2024, 6:29 PM CVSS metrics ("Cvssv4 score" set to 9.3) CVSS metrics ("Cvssv4 threat vector" set to "CVSS:4.0/E:P") CVSS metrics ("Cvssv4 vector" set to "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H") Plugin metadata Plugin Feed: 202411051829
Version 1.1 Apr 28, 2024, 2:25 PM Detection (updated detection logic) Plugin metadata Reference Plugin Feed: 202404281425
Version 1.0 Nov 21, 2023, 11:48 PM New Plugin Feed: 202311212348