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Oracle Linux 7 : kernel (ELSA-2020-0834)

high Nessus Plugin ID 134687

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Synopsis

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

Description

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2020-0834 advisory.

 - [x86] kvm: vmx: implement MSR_IA32_TSX_CTRL disable RTM functionality (Paolo Bonzini) [1779766 1779768] {CVE-2019-19338}
 - [x86] kvm: x86: Mark expected switch fall-throughs (Paolo Bonzini) [1779766 1779768] {CVE-2019-19338}
 - [x86] kvm: x86: implement MSR_IA32_TSX_CTRL effect on CPUID (Paolo Bonzini) [1779766 1779768] {CVE-2019-19338}
 - [x86] kvm: x86: do not modify masked bits of shared MSRs (Paolo Bonzini) [1779766 1779768] {CVE-2019-19338}
 - [x86] kvm: x86: fix presentation of TSX feature in ARCH_CAPABILITIES (Paolo Bonzini) [1779766 1779768] {CVE-2019-19338}
 - [x86] kvm/x86: Export MDS_NO=0 to guests when TSX is enabled (Paolo Bonzini) [1779766 1779768] {CVE-2019-19338}
 - [wireless] rtlwifi: Fix potential overflow on P2P code (Josef Oskera) [1775235 1775236] {CVE-2019-17666}
 - [mm] mm: prevent get_user_pages() from overflowing page refcount (Aristeu Rozanski) [1705004 1705005] {CVE-2019-11487}
 - [mm] mm/hugetlb.c: __get_user_pages ignores certain follow_hugetlb_page errors (Aristeu Rozanski) [1705004 1705005] {CVE-2019-11487}

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-2020-0834.html

Plugin Details

Severity: High

ID: 134687

File Name: oraclelinux_ELSA-2020-0834.nasl

Version: 1.6

Type: local

Agent: unix

Published: 3/19/2020

Updated: 10/22/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 8.3

Temporal Score: 6.5

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

CVSS Score Source: CVE-2019-17666

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.9

Vector: CVSS:3.0/AV:A/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-abi-whitelists, p-cpe:/a:oracle:linux:kernel-tools-libs-devel, p-cpe:/a:oracle:linux:bpftool, p-cpe:/a:oracle:linux:kernel-devel, p-cpe:/a:oracle:linux:kernel-tools-libs, p-cpe:/a:oracle:linux:perf, cpe:/o:oracle:linux:7, p-cpe:/a:oracle:linux:kernel-tools, p-cpe:/a:oracle:linux:python-perf, p-cpe:/a:oracle:linux:kernel-debug-devel, p-cpe:/a:oracle:linux:kernel-debug, p-cpe:/a:oracle:linux:kernel-headers, 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: 3/18/2020

Vulnerability Publication Date: 4/23/2019

Reference Information

CVE: CVE-2019-11487, CVE-2019-17666, CVE-2019-19338

RHSA: 2020:0834