Detections
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Oracle Linux 8 : kernel (ELSA-2023-12839)

critical Nessus Plugin ID 182192

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Synopsis

The remote Oracle Linux host is missing one or more security updates.

Description

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2023-12839 advisory.

 - x86/microcode/AMD: Rename a couple of functions {CVE-2023-20593}
 - x86/microcode: Add a parameter to microcode_check() to store CPU capabilities {CVE-2023-20593}
 - x86/microcode: Check CPU capabilities after late microcode update correctly {CVE-2023-20593}
 - x86/microcode: Adjust late loading result reporting message {CVE-2023-20593}
 - x86/amd: Cache debug register values in percpu variables {CVE-2023-20593}
 - x86/microcode/amd: Remove load_microcode_amd()'s bsp parameter {CVE-2023-20593}
 - x86/microcode/AMD: Add a @cpu parameter to the reloading functions {CVE-2023-20593}
 - x86/microcode/AMD: Fix mixed steppings support {CVE-2023-20593}
 - x86/microcode/core: Return an error only when necessary {CVE-2023-20593}
 - x86/cpu/amd: Move the errata checking functionality up {CVE-2023-20593}
 - x86/cpu/amd: Add a Zenbleed fix {CVE-2023-20593}

Tenable has extracted the preceding description block directly from the Oracle 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.

Solution

Update the affected packages.

See Also

https://linux.oracle.com/errata/ELSA-2023-12839.html

Plugin Details

Severity: Critical

ID: 182192

File Name: oraclelinux_ELSA-2023-12839.nasl

Version: 1.4

Type: local

Agent: unix

Published: 9/29/2023

Updated: 11/1/2024

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.3

Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C

CVSS Score Source: CVE-2023-3390

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

CVSS v4

Risk Factor: Critical

Base Score: 9.3

Threat Score: 8.5

Threat Vector: CVSS:4.0/E:P

Vector: 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

Vulnerability Information

CPE: cpe:/o:oracle:linux:8::baseos_latest, p-cpe:/a:oracle:linux:kernel-tools-libs-devel, p-cpe:/a:oracle:linux:kernel-devel, p-cpe:/a:oracle:linux:kernel-cross-headers, p-cpe:/a:oracle:linux:kernel-debug-modules, cpe:/o:oracle:linux:8, p-cpe:/a:oracle:linux:kernel-tools, cpe:/o:oracle:linux:8:8:baseos_patch, p-cpe:/a:oracle:linux:kernel-debug-devel, p-cpe:/a:oracle:linux:kernel-headers, p-cpe:/a:oracle:linux:kernel-modules, p-cpe:/a:oracle:linux:kernel-abi-stablelists, p-cpe:/a:oracle:linux:kernel-debug, p-cpe:/a:oracle:linux:kernel-core, p-cpe:/a:oracle:linux:kernel-debug-modules-extra, p-cpe:/a:oracle:linux:python3-perf, cpe:/a:oracle:linux:8::codeready_builder, p-cpe:/a:oracle:linux:bpftool, p-cpe:/a:oracle:linux:kernel-debug-core, p-cpe:/a:oracle:linux:perf, p-cpe:/a:oracle:linux:kernel-modules-extra, p-cpe:/a:oracle:linux:kernel-tools-libs, p-cpe:/a:oracle:linux:kernel

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/OracleLinux

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/29/2023

Vulnerability Publication Date: 6/28/2023

Reference Information

CVE: CVE-2023-20593, CVE-2023-3390