RHEL 8 : kpatch-patch (RHSA-2020:2203)

high Nessus Plugin ID 170329

Synopsis

The remote Red Hat host is missing one or more security updates.

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:2203 advisory.

- kernel: use-after-free in __blk_add_trace in kernel/trace/blktrace.c (CVE-2019-19768)

- Kernel: NetLabel: null pointer dereference while receiving CIPSO packet with null category may cause kernel panic (CVE-2020-10711)

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://access.redhat.com/security/cve/CVE-2019-19768

https://access.redhat.com/security/cve/CVE-2020-10711

https://access.redhat.com/errata/RHSA-2020:2203

https://bugzilla.redhat.com/1786164

https://bugzilla.redhat.com/1825116

Plugin Details

Severity: High

ID: 170329

File Name: redhat-RHSA-2020-2203.nasl

Version: 1.1

Type: local

Agent: unix

Published: 1/23/2023

Updated: 5/25/2023

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2019-19768

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

Vulnerability Information

CPE: cpe:/o:redhat:rhel_e4s:8.1, cpe:/o:redhat:rhel_eus:8.1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-147, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-147_0_2, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-147_0_3, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-147_3_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-147_5_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-147_8_1

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

Exploit Ease: No known exploits are available

Patch Publication Date: 5/20/2020

Vulnerability Publication Date: 12/12/2019

Reference Information

CVE: CVE-2019-19768, CVE-2020-10711

CWE: 416, 476

RHSA: 2020:2203