RHEL 8 : kernel (RHSA-2020:2199)

high Nessus Plugin ID 136717

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-2020:2199 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)

- Kernel: s390: page table upgrade in secondary address mode may lead to privilege escalation (CVE-2020-11884)

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://bugzilla.redhat.com/1786164

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

https://bugzilla.redhat.com/1825116

https://access.redhat.com/security/cve/CVE-2020-11884

https://bugzilla.redhat.com/1828149

https://access.redhat.com/errata/RHSA-2020:2199

Plugin Details

Severity: High

ID: 136717

File Name: redhat-RHSA-2020-2199.nasl

Version: 1.7

Type: local

Agent: unix

Published: 5/20/2020

Updated: 1/23/2023

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 6.9

Temporal Score: 5.1

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

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

CVSS Score Source: CVE-2020-11884

CVSS v3

Risk Factor: High

Base Score: 7

Temporal Score: 6.1

Vector: CVSS:3.0/AV:L/AC:H/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: cpe:2.3:o:redhat:rhel_eus:8.1:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:kernel:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:kernel-debug:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:kernel-debug-devel:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:kernel-devel:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:kernel-headers:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:perf:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:kernel-abi-whitelists:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:kernel-tools:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:kernel-tools-libs:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:kernel-tools-libs-devel:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:bpftool:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:kernel-core:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:kernel-cross-headers:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:kernel-debug-core:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:kernel-debug-modules:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:kernel-debug-modules-extra:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:kernel-modules:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:kernel-modules-extra:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:kernel-zfcpdump:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:kernel-zfcpdump-core:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:kernel-zfcpdump-devel:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:kernel-zfcpdump-modules:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:kernel-zfcpdump-modules-extra:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:python3-perf:*:*:*:*:*:*:*, cpe:2.3:o:redhat:rhel_e4s: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: 5/19/2020

Vulnerability Publication Date: 12/12/2019

Reference Information

CVE: CVE-2019-19768, CVE-2020-11884, CVE-2020-10711

CWE: 416, 476, 1251

RHSA: 2020:2199