RHEL 8 : kernel-rt (RHSA-2020:0328)

critical Nessus Plugin ID 133477
New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Synopsis

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

Description

An update for kernel-rt is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.

Security Fix(es) :

* kernel: heap overflow in mwifiex_update_vs_ie() function of Marvell WiFi driver (CVE-2019-14816)

* kernel: heap-based buffer overflow in mwifiex_process_country_ie() function in drivers/net/wireless/marvell/mwifiex/sta_ioctl.c (CVE-2019-14895)

* kernel: heap overflow in marvell/mwifiex/tdls.c (CVE-2019-14901)

* kernel: rtl_p2p_noa_ie in drivers/net/wireless/realtek/rtlwifi/ps.c in the Linux kernel lacks a certain upper-bound check, leading to a buffer overflow (CVE-2019-17666)

* kernel: heap overflow in mwifiex_set_uap_rates() function of Marvell Wifi Driver leading to DoS (CVE-2019-14814)

* kernel: heap-overflow in mwifiex_set_wmm_params() function of Marvell WiFi driver leading to DoS (CVE-2019-14815)

* kernel: incomplete fix for race condition between mmget_not_zero()/ get_task_mm() and core dumping in CVE-2019-11599 (CVE-2019-14898)

* Kernel: KVM: export MSR_IA32_TSX_CTRL to guest - incomplete fix for TAA (CVE-2019-11135) (CVE-2019-19338)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Bug Fix(es) :

* kernel-rt: update RT source tree to the RHEL-8.1.z2 source tree (BZ# 1780326)

Solution

Update the affected packages.

See Also

https://cwe.mitre.org/data/definitions/120.html

https://cwe.mitre.org/data/definitions/122.html

https://cwe.mitre.org/data/definitions/203.html

https://cwe.mitre.org/data/definitions/362.html

https://cwe.mitre.org/data/definitions/385.html

https://cwe.mitre.org/data/definitions/400.html

https://cwe.mitre.org/data/definitions/667.html

https://access.redhat.com/security/cve/CVE-2019-14814

https://access.redhat.com/security/cve/CVE-2019-14815

https://access.redhat.com/security/cve/CVE-2019-14816

https://access.redhat.com/security/cve/CVE-2019-14895

https://access.redhat.com/security/cve/CVE-2019-14898

https://access.redhat.com/security/cve/CVE-2019-14901

https://access.redhat.com/security/cve/CVE-2019-17666

https://access.redhat.com/security/cve/CVE-2019-19338

https://access.redhat.com/errata/RHSA-2020:0328

https://bugzilla.redhat.com/1744130

https://bugzilla.redhat.com/1744137

https://bugzilla.redhat.com/1744149

https://bugzilla.redhat.com/1763690

https://bugzilla.redhat.com/1773519

https://bugzilla.redhat.com/1774671

https://bugzilla.redhat.com/1774870

https://bugzilla.redhat.com/1781514

Plugin Details

Severity: Critical

ID: 133477

File Name: redhat-RHSA-2020-0328.nasl

Version: 1.4

Type: local

Agent: unix

Published: 2/5/2020

Updated: 3/24/2021

Dependencies: ssh_get_info.nasl, linux_alt_patch_detect.nasl

Risk Information

CVSS Score Source: CVE-2019-14901

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

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

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

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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

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

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:8, cpe:/o:redhat:rhel_aus:8.2, cpe:/o:redhat:rhel_e4s:8.1, cpe:/o:redhat:rhel_e4s:8.2, cpe:/o:redhat:rhel_eus:8.1, cpe:/o:redhat:rhel_eus:8.2, cpe:/o:redhat:rhel_eus:8.4, cpe:/o:redhat:rhel_tus:8.2, p-cpe:/a:redhat:enterprise_linux:kernel-rt, p-cpe:/a:redhat:enterprise_linux:kernel-rt-core, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-core, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-devel, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-kvm, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-modules, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-rt-devel, p-cpe:/a:redhat:enterprise_linux:kernel-rt-kvm, p-cpe:/a:redhat:enterprise_linux:kernel-rt-modules, p-cpe:/a:redhat:enterprise_linux:kernel-rt-modules-extra

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: 2/4/2020

Vulnerability Publication Date: 9/20/2019

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: 2020:0328

CWE: 120, 122, 203, 362, 385, 400, 667