Detections
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Oracle Linux 8 : kernel (ELSA-2021-3548)

high Nessus Plugin ID 153419

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Synopsis

The remote Oracle Linux host is missing a security update.

Description

The remote Oracle Linux 8 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2021-3548 advisory.

 - KVM: nSVM: always intercept VMLOAD/VMSAVE when nested (CVE-2021-3656) (Jon Maloy) [1985429 1985430] {CVE-2021-3656}
 - KVM: SVM: add module param to control the #SMI interception (Jon Maloy) [1985429 1985430] {CVE-2021-3656}
 - KVM: nSVM: avoid picking up unsupported bits from L2 in int_ctl (CVE-2021-3653) (Jon Maloy) [1985412 1985413] {CVE-2021-3653}

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for this issue 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-2021-3548.html

Plugin Details

Severity: High

ID: 153419

File Name: oraclelinux_ELSA-2021-3548.nasl

Version: 1.6

Type: local

Agent: unix

Published: 9/16/2021

Updated: 11/2/2024

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: 6.1

Temporal Score: 4.8

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

CVSS Score Source: CVE-2021-3653

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.9

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:P/RL:O/RC:C

Vulnerability Information

CPE: 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, 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, 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/OracleLinux, Host/RedHat/release, Host/RedHat/rpm-list, Host/local_checks_enabled

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/16/2021

Vulnerability Publication Date: 9/8/2021

Reference Information

CVE: CVE-2021-3653