Detections
Analytics

Oracle Linux 7 : kernel (ELSA-2023-4819)

critical Nessus Plugin ID 180349

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Synopsis

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

Description

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2023-4819 advisory.

 - debug: lock down kgdb [Orabug: 34270798] {CVE-2022-21499}
 - x86/cpu/amd: Add a Zenbleed fix (Waiman Long) [2226841] {CVE-2023-20593}
 - x86/cpu/amd: Move the errata checking functionality up (Waiman Long) [2226841] {CVE-2023-20593}
 - x86/cpu: Restore AMD's DE_CFG MSR after resume (Waiman Long) [2226841] {CVE-2023-20593}
 - net/sched: flower: fix possible OOB write in fl_set_geneve_opt() (Davide Caratti) [2216982] {CVE-2023-35788}

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-2023-4819.html

Plugin Details

Severity: Critical

ID: 180349

File Name: oraclelinux_ELSA-2023-4819.nasl

Version: 1.4

Type: local

Agent: unix

Published: 8/31/2023

Updated: 10/23/2024

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, 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-2023-35788

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: p-cpe:/a:oracle:linux:kernel-abi-whitelists, p-cpe:/a:oracle:linux:kernel-tools-libs-devel, p-cpe:/a:oracle:linux:bpftool, p-cpe:/a:oracle:linux:kernel-devel, p-cpe:/a:oracle:linux:kernel-tools-libs, p-cpe:/a:oracle:linux:perf, cpe:/o:oracle:linux:7, cpe:/a:oracle:linux:7::latest, p-cpe:/a:oracle:linux:kernel-tools, p-cpe:/a:oracle:linux:python-perf, p-cpe:/a:oracle:linux:kernel-debug-devel, cpe:/a:oracle:linux:7::optional_latest, p-cpe:/a:oracle:linux:kernel-debug, p-cpe:/a:oracle:linux:kernel-headers, p-cpe:/a:oracle:linux:kernel, cpe:/a:oracle:linux:7:9:patch

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: 8/31/2023

Vulnerability Publication Date: 6/16/2023

Reference Information

CVE: CVE-2023-20593, CVE-2023-35788