Detections
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Oracle Linux 7 : Unbreakable Enterprise kernel (ELSA-2020-5540)

medium Nessus Plugin ID 134023

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Synopsis

The remote Oracle Linux host is missing a security update.

Description

The remote Oracle Linux 7 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2020-5540 advisory.

 - KVM: nVMX: Check IO instruction VM-exit conditions (Oliver Upton) [Orabug: 30847136] {CVE-2020-2732}
 - KVM: nVMX: Refactor IO bitmap checks into helper function (Oliver Upton) [Orabug: 30847136] {CVE-2020-2732}

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-2020-5540.html

Plugin Details

Severity: Medium

ID: 134023

File Name: oraclelinux_ELSA-2020-5540.nasl

Version: 1.7

Type: local

Agent: unix

Published: 2/25/2020

Updated: 11/1/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.2

CVSS v2

Risk Factor: Low

Base Score: 2.3

Temporal Score: 1.7

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

CVSS Score Source: CVE-2020-2732

CVSS v3

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.9

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

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

Vulnerability Information

CPE: p-cpe:/a:oracle:linux:kernel-uek-headers, p-cpe:/a:oracle:linux:kernel-uek-debug-devel, p-cpe:/a:oracle:linux:perf, p-cpe:/a:oracle:linux:kernel-uek-devel, cpe:/o:oracle:linux:7, p-cpe:/a:oracle:linux:kernel-uek-tools-libs-devel, p-cpe:/a:oracle:linux:kernel-uek-doc, p-cpe:/a:oracle:linux:python-perf, p-cpe:/a:oracle:linux:kernel-uek-tools, p-cpe:/a:oracle:linux:kernel-uek-tools-libs, p-cpe:/a:oracle:linux:kernel-uek, p-cpe:/a:oracle:linux:kernel-uek-debug

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

Exploit Ease: No known exploits are available

Patch Publication Date: 2/24/2020

Vulnerability Publication Date: 2/28/2020

Reference Information

CVE: CVE-2020-2732