The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2023:7434 advisory.

    The kernel packages contain the Linux kernel, the core of any Linux operating system.

    Security Fix(es):

    * kernel: Use-after-free vulnerability in the Linux Kernel traffic control index filter (CVE-2023-1829)

    * kernel: net/sched: cls_u32 component reference counter leak if tcf_change_indev() fails (CVE-2023-3609)

    * 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)

    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-devel RPM cross-compiled by CKI contains host-arch scripts (BZ#2232140)

    * netfilter: RHEL 8.8 phase 2 backports from upstream (BZ#2236819)

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 8 : kernel (RHSA-2023:7434)

critical Nessus Plugin ID 186069

Version 1.5

Version 1.4

Version 1.3

Version 1.2

Version 1.1

Version 1.0

Version 1.5 Nov 7, 2024, 8:25 PM CVSS metrics ("Cvssv4 score" set to 9.3) Plugin metadata Plugin Feed: 202411072025
Version 1.4 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 1.3 Aug 5, 2024, 7:12 AM CVSS temporal metrics ("CVSSv2 temporal vector" set to "CVSS2#E:POC/RL:OF/RC:C") CVSS temporal metrics ("CVSSv3 temporal vector" set to "CVSS:3.0/E:P/RL:O/RC:C") Exploit attributes ("Exploit available" set to "True") Exploit attributes ("Exploitability ease" changed from "No known exploits are available" to "Exploits are available") Plugin Feed: 202408050712
Version 1.2 Apr 28, 2024, 2:25 PM Detection (updated detection logic) Plugin metadata Plugin Feed: 202404281425
Version 1.1 Jan 26, 2024, 9:00 PM Detection (updated detection logic) Plugin metadata Plugin Feed: 202401262100
Version 1.0 Nov 21, 2023, 11:48 PM New Plugin Feed: 202311212348