Detections
Analytics

Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2019-4636)

medium Nessus Plugin ID 125115

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Synopsis

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

Description

The remote Oracle Linux 6 / 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2019-4636 advisory.

 - x86/speculation/mds: Make cpu_matches() __cpuinit (Patrick Colp) [Orabug: 29751729] {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127} {CVE-2019-11091}
 - x86/speculation/mds: Only worry about firmware loaded microcode (Patrick Colp) [Orabug: 29641784] {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127} {CVE-2019-11091}
 - x86/mds: Add empty commit for CVE-2019-11091 (Patrick Colp) [Orabug: 29721936] {CVE-2019-11091}
 - x86/speculation/mds: Fix comment (Boris Ostrovsky) [Orabug: 29641784] {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
 - x86/speculation/mds: Add mitigation mode VMWERV (Thomas Gleixner) [Orabug: 29641784] {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
 - x86/speculation/mds: Add sysfs reporting for MDS (Thomas Gleixner) [Orabug: 29641784] {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
 - x86/speculation/mds: Add mitigation control for MDS (Thomas Gleixner) [Orabug: 29641784] {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
 - x86/speculation/mds: Allow runtime checking of CPU features (Patrick Colp) [Orabug: 29641784] {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
 - x86/speculation/mds: Improve coverage for MDS vulnerability (Boris Ostrovsky) [Orabug: 29641784] {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
 - x86/speculation/mds: Clear CPU buffers on exit to user (Thomas Gleixner) [Orabug: 29641784] {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
 - x86/speculation/mds: Add mds_clear_cpu_buffers() (Thomas Gleixner) [Orabug: 29641784] {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
 - x86/speculation/mds: Add BUG_MSBDS_ONLY (Thomas Gleixner) [Orabug: 29641784] {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
 - x86/speculation/mds: Add basic bug infrastructure for MDS (Andi Kleen) [Orabug: 29641784] {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127} {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}

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-2019-4636.html

Plugin Details

Severity: Medium

ID: 125115

File Name: oraclelinux_ELSA-2019-4636.nasl

Version: 1.11

Type: local

Agent: unix

Published: 5/15/2019

Updated: 10/22/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.0

CVSS v2

Risk Factor: Medium

Base Score: 4.7

Temporal Score: 3.7

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

CVSS Score Source: CVE-2019-11091

CVSS v3

Risk Factor: Medium

Base Score: 5.6

Temporal Score: 5.1

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

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

Vulnerability Information

CPE: p-cpe:/a:oracle:linux:kernel-uek-debug-devel, cpe:/o:oracle:linux:7, p-cpe:/a:oracle:linux:dtrace-modules-3.8.13-118.33.2.el7uek, p-cpe:/a:oracle:linux:kernel-uek-debug, p-cpe:/a:oracle:linux:dtrace-modules-3.8.13-118.33.2.el6uek, p-cpe:/a:oracle:linux:kernel-uek-devel, p-cpe:/a:oracle:linux:kernel-uek-doc, p-cpe:/a:oracle:linux:kernel-uek-firmware, p-cpe:/a:oracle:linux:kernel-uek, cpe:/o:oracle:linux:6

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: 5/14/2019

Vulnerability Publication Date: 5/7/2019

Reference Information

CVE: CVE-2018-12126, CVE-2018-12127, CVE-2018-12130, CVE-2019-11091

IAVA: 2019-A-0166