CentOS 8 : kernel (CESA-2021:0003)

medium Nessus Plugin ID 145962

Synopsis

The remote CentOS host is missing a security update.

Description

The remote CentOS Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CESA-2021:0003 advisory.

- kernel: Local buffer overflow in ctnetlink_parse_tuple_filter in net/netfilter/nf_conntrack_netlink.c (CVE-2020-25211)

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://access.redhat.com/errata/RHSA-2021:0003

Plugin Details

Severity: Medium

ID: 145962

File Name: centos8_RHSA-2021-0003.nasl

Version: 1.5

Type: local

Agent: unix

Published: 2/1/2021

Updated: 1/24/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.0

CVSS v2

Risk Factor: Low

Base Score: 3.6

Temporal Score: 2.8

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

CVSS Score Source: CVE-2020-25211

CVSS v3

Risk Factor: Medium

Base Score: 6

Temporal Score: 5.4

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

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

Vulnerability Information

CPE: p-cpe:/a:centos:centos:kernel-tools-libs, p-cpe:/a:centos:centos:kernel-debug-core, p-cpe:/a:centos:centos:kernel-tools-libs-devel, p-cpe:/a:centos:centos:kernel-debug, p-cpe:/a:centos:centos:kernel-abi-whitelists, p-cpe:/a:centos:centos:perf, p-cpe:/a:centos:centos:kernel-tools, p-cpe:/a:centos:centos:kernel-modules, p-cpe:/a:centos:centos:kernel-modules-extra, cpe:/o:centos:centos:8, p-cpe:/a:centos:centos:kernel, p-cpe:/a:centos:centos:kernel-debug-modules, p-cpe:/a:centos:centos:kernel-core, p-cpe:/a:centos:centos:kernel-debug-devel, p-cpe:/a:centos:centos:bpftool, p-cpe:/a:centos:centos:kernel-devel, p-cpe:/a:centos:centos:python3-perf, p-cpe:/a:centos:centos:kernel-debug-modules-extra

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/CentOS/release, Host/CentOS/rpm-list

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 1/4/2021

Vulnerability Publication Date: 9/9/2020

Reference Information

CVE: CVE-2020-25211

RHSA: 2021:0003