Detections
Analytics

Oracle Linux 7 / 8 : Unbreakable Enterprise kernel-container (ELSA-2023-12256)

high Nessus Plugin ID 174416

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Synopsis

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

Description

The remote Oracle Linux 7 / 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2023-12256 advisory.

 - Documentation/hw-vuln: Add documentation for Cross-Thread Return Predictions (Tom Lendacky) [Orabug:
 35166671] {CVE-2022-27672}
 - KVM: x86: Mitigate the cross-thread return address predictions bug (Tom Lendacky) [Orabug: 35166671] {CVE-2022-27672}
 - x86/speculation: Identify processors vulnerable to SMT RSB predictions (Tom Lendacky) [Orabug:
 35166671] {CVE-2022-27672}
 - drm/amdkfd: Check for null pointer after calling kmemdup (Jiasheng Jiang) [Orabug: 34951503] {CVE-2022-3108}
 - KVM: VMX: Execute IBPB on emulated VM-exit when guest has IBRS (Jim Mattson) {CVE-2022-2196}

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 kernel-uek-container and / or kernel-uek-container-debug packages.

See Also

https://linux.oracle.com/errata/ELSA-2023-12256.html

Plugin Details

Severity: High

ID: 174416

File Name: oraclelinux_ELSA-2023-12256.nasl

Version: 1.1

Type: local

Agent: unix

Published: 4/17/2023

Updated: 10/22/2024

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

Risk Information

VPR

Risk Factor: High

Score: 7.3

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2023-23559

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

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

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

CVSS Score Source: CVE-2022-2196

Vulnerability Information

CPE: p-cpe:/a:oracle:linux:kernel-uek-container, p-cpe:/a:oracle:linux:kernel-uek-container-debug, cpe:/o:oracle:linux:7, cpe:/o:oracle:linux:8

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

Exploit Ease: No known exploits are available

Patch Publication Date: 4/17/2023

Vulnerability Publication Date: 11/28/2022

Reference Information

CVE: CVE-2022-2196, CVE-2022-27672, CVE-2022-3108, CVE-2022-4129, CVE-2023-23559