Detections
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Linux Distros Unpatched Vulnerability : CVE-2023-20592

medium Nessus Plugin ID 226324

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Synopsis

The Linux/Unix host has one or more packages installed with a vulnerability that the vendor indicates will not be patched.

Description

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

 - Improper or unexpected behavior of the INVD instruction in some AMD CPUs may allow an attacker with a malicious hypervisor to affect cache line write-back behavior of the CPU leading to a potential loss of guest virtual machine (VM) memory integrity. (CVE-2023-20592)

Note that Nessus relies on the presence of the package as reported by the vendor.

Solution

There is no known solution at this time.

See Also

https://access.redhat.com/security/cve/cve-2023-20592

https://ubuntu.com/security/CVE-2023-20592

Plugin Details

Severity: Medium

ID: 226324

File Name: unpatched_CVE_2023_20592.nasl

Version: 1.3

Type: local

Agent: unix

Family: Misc.

Published: 3/5/2025

Updated: 9/3/2025

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 5.6

Temporal Score: 4.1

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

CVSS Score Source: CVE-2023-20592

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

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

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

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:6, p-cpe:/a:redhat:enterprise_linux:iwl100-firmware, p-cpe:/a:redhat:enterprise_linux:iwl105-firmware, p-cpe:/a:redhat:enterprise_linux:iwl2030-firmware, p-cpe:/a:redhat:enterprise_linux:iwl3160-firmware, p-cpe:/a:redhat:enterprise_linux:iwl5000-firmware, p-cpe:/a:redhat:enterprise_linux:iwl7260-firmware, p-cpe:/a:redhat:enterprise_linux:libertas-sd8787-firmware, p-cpe:/a:redhat:enterprise_linux:linux-firmware-whence, p-cpe:/a:redhat:enterprise_linux:iwl1000-firmware, p-cpe:/a:redhat:enterprise_linux:iwl135-firmware, p-cpe:/a:redhat:enterprise_linux:iwl2000-firmware, p-cpe:/a:redhat:enterprise_linux:iwl5150-firmware, p-cpe:/a:redhat:enterprise_linux:iwl6000g2a-firmware, p-cpe:/a:redhat:enterprise_linux:iwl6000g2b-firmware, p-cpe:/a:redhat:enterprise_linux:iwl6050-firmware, p-cpe:/a:redhat:enterprise_linux:linux-firmware, p-cpe:/a:canonical:ubuntu_linux:amd64-microcode, cpe:/o:canonical:ubuntu_linux:14.04:-:lts, cpe:/o:redhat:enterprise_linux:9, p-cpe:/a:redhat:enterprise_linux:netronome-firmware

Required KB Items: Host/local_checks_enabled, Host/cpu, global_settings/vendor_unpatched, Host/OS/identifier

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 11/14/2023

Reference Information

CVE: CVE-2023-20592