Detections
Analytics

Oracle Linux 8 : kernel (ELSA-2021-4647)

critical Nessus Plugin ID 155566

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Synopsis

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

Description

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2021-4647 advisory.

 - tipc: fix size validations for the MSG_CRYPTO type (Bruno Meneguele) [2020506 2020507] {CVE-2021-43267}
 - lib/timerqueue: Rely on rbtree semantics for next timer (Phil Auld) [2014677 2007099] {CVE-2021-20317}

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-2021-4647.html

Plugin Details

Severity: Critical

ID: 155566

File Name: oraclelinux_ELSA-2021-4647.nasl

Version: 1.5

Type: local

Agent: unix

Published: 11/18/2021

Updated: 11/1/2024

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

Risk Information

VPR

Risk Factor: High

Score: 8.9

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

CVSS Score Source: CVE-2021-43267

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 9.4

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

Temporal Vector: CVSS:3.0/E:H/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/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/OracleLinux

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 11/18/2021

Vulnerability Publication Date: 9/27/2021

Reference Information

CVE: CVE-2021-20317, CVE-2021-43267