RHEL 8 : kernel (RHSA-2020:1372)

medium Nessus Plugin ID 139381

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Synopsis

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

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:1372 advisory.

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

* kernel: powerpc: local user can read vector registers of other users' processes via a Facility Unavailable exception (CVE-2019-15030)

* kernel: powerpc: local user can read vector registers of other users' processes via an interrupt (CVE-2019-15031)

* kernel: powerpc: incomplete Spectre-RSB mitigation leads to information exposure (CVE-2019-18660)

* kernel: use-after-free caused by a malicious USB device in the drivers/hid/usbhid/hiddev.c driver (CVE-2019-19527)

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):

* [FJ8.1 Bug]: fs/devpts: always delete dcache dentry-s in dput() (BZ#1783959)

* qla2xxx: call dma_free_coherent with correct size in all cases in qla24xx_sp_unmap (BZ#1788206)

* qla2xxxx: Firmware update for Gen7 adapter could result in an unusable adapter (BZ#1790350)

* s390/sclp: Fix bit checked for has_sipl (BZ#1791408)

* RHEL8.1 - Error output for CPU-MF auxtrace data in perf: (BZ#1792198)

* [FJ8.0 Bug]: [kernel]: using kexec -e to reboot A64FX system causes system panic during the boot of the 2nd kernel (BZ#1792200)

* Fixup tlbie vs store ordering issue on POWER9 (BZ#1794058)

* RHEL8.1 - qeth: add safeguards to RX data path (BZ#1794059)

* RHEL8.1 - STC940:ZZ:Fleet:RHEL:LPM failed with no rmc connection during 6th iteration (ibmvnic) (BZ#1794060)

* RHEL8.1 - disable trace-imc feature (perf:) (BZ#1794061)

* [Broadcom RHEL8.2 FEAT]: megaraid_sas driver update request (BZ#1795335)

* RHEL8.1 pre-Beta - [ FW940 ] [ zz P9 ] kdump fails when XIVE is enabled and dump is trigged from HMC.
(BZ#1795337)

* T10 DIF: OOM observed while running I/O (BZ#1795338)

* backport fix for potential deadlock relative to snapshot COW throttling (BZ#1796490)

* Neoverse n1 errata 1542419 Core may fetch stale instructions from memory and violate ordering (BZ#1797518)

* [HPE 8.1 Bug] hpsa: bug fix for reset issue (BZ#1797519)

* [HPE 8.0 BUG] System crash when reading /sys/block/<dm>/mq/0/cpu_list file (BZ#1797960)

* kernel: T10 CRC not using hardware-accelerated version from crct10dif_pclmul (BZ#1797961)

* [FJ8.1 Bug]: Dirty pages remain when write() returns ENOSPC. (BZ#1797962)

* RHEL 8 - NVMe/FC Fabric Broadcom Autoconnect Script Fails to Reconnect after Controller Reset (BZ#1798381)

* [RHEL8.2]: Chelsio crypto co-processor Driver (chcr) bugfixes (BZ#1798527)

* [RHEL8.1][Snapshot-1]LUN discovery says unrecognized (BZ#1801216)

* 8.2 snap2 kernel incorrectly signed in brew (BZ#1807231)

Tenable has extracted the preceding description block directly from the Red Hat Enterprise 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 RHEL kernel package based on the guidance in RHSA-2020:1372.

Plugin Details

Severity: Medium

ID: 139381

File Name: redhat-RHSA-2020-1372.nasl

Version: 1.11

Type: local

Agent: unix

Family: Red Hat Local Security Checks

Published: 8/7/2020

Updated: 11/7/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.6

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

CVSS Score Source: CVE-2019-19527

CVSS v3

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 6.1

Vector: CVSS:3.0/AV:P/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:redhat:enterprise_linux:kernel-debug-core, p-cpe:/a:redhat:enterprise_linux:kernel-tools-libs-devel, p-cpe:/a:redhat:enterprise_linux:kernel-debug-devel, cpe:/o:redhat:rhel_eus:8.1, p-cpe:/a:redhat:enterprise_linux:kernel-core, p-cpe:/a:redhat:enterprise_linux:kernel-cross-headers, p-cpe:/a:redhat:enterprise_linux:kernel-tools-libs, p-cpe:/a:redhat:enterprise_linux:perf, p-cpe:/a:redhat:enterprise_linux:bpftool, p-cpe:/a:redhat:enterprise_linux:kernel-tools, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump, p-cpe:/a:redhat:enterprise_linux:kernel-debug-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-devel, p-cpe:/a:redhat:enterprise_linux:kernel, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-core, cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-headers, p-cpe:/a:redhat:enterprise_linux:kernel-modules, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-modules, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-devel, p-cpe:/a:redhat:enterprise_linux:kernel-debug-modules, p-cpe:/a:redhat:enterprise_linux:kernel-debug, p-cpe:/a:redhat:enterprise_linux:python3-perf

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 4/7/2020

Vulnerability Publication Date: 9/13/2019

Reference Information

CVE: CVE-2019-15030, CVE-2019-15031, CVE-2019-18660, CVE-2019-19527

CWE: 200, 416

RHSA: 2020:1372

Detections

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