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Oracle Linux 8 : kernel (ELSA-2020-0339)

critical Nessus Plugin ID 133591

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Synopsis

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

Description

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2020-0339 advisory.

 - [x86] kvm: vmx: use MSR_IA32_TSX_CTRL to hard-disable TSX on guest that lack it (Paolo Bonzini) [1781660 1779553] {CVE-2019-19338}
 - [x86] kvm: vmx: implement MSR_IA32_TSX_CTRL disable RTM functionality (Paolo Bonzini) [1781660 1779553] {CVE-2019-19338}
 - [x86] kvm: x86: implement MSR_IA32_TSX_CTRL effect on CPUID (Paolo Bonzini) [1781660 1779553] {CVE-2019-19338}
 - [x86] kvm: x86: do not modify masked bits of shared MSRs (Paolo Bonzini) [1781660 1779553] {CVE-2019-19338}
 - [x86] kvm: x86: fix presentation of TSX feature in ARCH_CAPABILITIES (Paolo Bonzini) [1781660 1779553] {CVE-2019-19338}
 - [x86] kvm/x86: Export MDS_NO=0 to guests when TSX is enabled (Paolo Bonzini) [1781660 1779553] {CVE-2019-19338}
 - [net] cfg80211: wext: avoid copying malformed SSIDs (Jarod Wilson) [1778633 1778634] {CVE-2019-17133}
 - [fs] userfaultfd_release: always remove uffd flags and clear vm_userfaultfd_ctx (Alex Gladkov) [1777389 1749763] {CVE-2019-14898}
 - [netdrv] mwifiex: Fix three heap overflow at parsing element in cfg80211_ap_settings (Jarod Wilson) [1776618 1775484] {CVE-2019-14814 CVE-2019-14815 CVE-2019-14816}
 - [netdrv] mwifiex: fix possible heap overflow in mwifiex_process_country_ie() (Jarod Wilson) [1776209 1776210] {CVE-2019-14895}
 - [netdrv] mwifiex: Fix heap overflow in mmwifiex_process_tdls_action_frame() (Jarod Wilson) [1776161 1776162] {CVE-2019-14901}
 - [netdrv] rtlwifi: Fix potential overflow on P2P code (Jarod Wilson) [1775222 1775223] {CVE-2019-17666}

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

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://linux.oracle.com/errata/ELSA-2020-0339.html

Plugin Details

Severity: Critical

ID: 133591

File Name: oraclelinux_ELSA-2020-0339.nasl

Version: 1.6

Type: local

Agent: unix

Published: 2/10/2020

Updated: 11/1/2024

Supported Sensors: Continuous Assessment, Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.8

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

CVSS Score Source: CVE-2019-14901

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

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

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

Vulnerability Information

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

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2/7/2020

Vulnerability Publication Date: 8/29/2019

Reference Information

CVE: CVE-2019-14814, CVE-2019-14815, CVE-2019-14816, CVE-2019-14895, CVE-2019-14898, CVE-2019-14901, CVE-2019-17666, CVE-2019-19338

RHSA: 2020:0339