CentOS 7 : kernel (CESA-2020:5023)

high Nessus Plugin ID 143049
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VPR Score: 6.7

Synopsis

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

Description

The remote CentOS Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the CESA-2020:5023 advisory.

- kernel: net-sysfs: *_queue_add_kobject refcount issue (CVE-2019-20811)

- kernel: kernel: buffer over write in vgacon_scroll (CVE-2020-14331)

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

http://www.nessus.org/u?e1e27c33

https://cwe.mitre.org/data/definitions/460.html

https://cwe.mitre.org/data/definitions/787.html

Plugin Details

Severity: High

ID: 143049

File Name: centos_RHSA-2020-5023.nasl

Version: 1.4

Type: local

Agent: unix

Published: 11/18/2020

Updated: 11/30/2020

Dependencies: ssh_get_info.nasl

Risk Information

Risk Factor: High

VPR Score: 6.7

CVSS Score Source: CVE-2020-14331

CVSS v2.0

Base Score: 7.2

Temporal Score: 5.3

Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C

Temporal Vector: E:U/RL:OF/RC:C

CVSS v3.0

Base Score: 6.6

Temporal Score: 5.8

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

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

Vulnerability Information

CPE: p-cpe:/a:centos:centos:bpftool, p-cpe:/a:centos:centos:kernel, p-cpe:/a:centos:centos:kernel-abi-whitelists, p-cpe:/a:centos:centos:kernel-debug, p-cpe:/a:centos:centos:kernel-debug-devel, p-cpe:/a:centos:centos:kernel-devel, p-cpe:/a:centos:centos:kernel-headers, p-cpe:/a:centos:centos:kernel-tools, p-cpe:/a:centos:centos:kernel-tools-libs, p-cpe:/a:centos:centos:kernel-tools-libs-devel, p-cpe:/a:centos:centos:perf, p-cpe:/a:centos:centos:python-perf, cpe:/o:centos:centos:7

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

Exploit Ease: No known exploits are available

Patch Publication Date: 11/18/2020

Vulnerability Publication Date: 6/3/2020

Reference Information

CVE: CVE-2019-20811, CVE-2020-14331

RHSA: 2020:5023

CWE: 460, 787