Detections
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CentOS 8 : kernel (CESA-2020:2427)

high Nessus Plugin ID 145853

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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-2020:2427 advisory.

 - kernel: use-after-free in block/bfq-iosched.c related to bfq_idle_slice_timer_body (CVE-2020-12657)

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-2020:2427

Plugin Details

Severity: High

ID: 145853

File Name: centos8_RHSA-2020-2427.nasl

Version: 1.4

Type: local

Agent: unix

Published: 2/1/2021

Updated: 3/23/2021

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.4

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

CVSS Score Source: CVE-2020-12657

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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

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

Vulnerability Information

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

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: 6/9/2020

Vulnerability Publication Date: 5/5/2020

Reference Information

CVE: CVE-2020-12657

RHSA: 2020:2427