Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2019-4636) (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout)

medium Nessus Plugin ID 125115
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 Oracle Linux host is missing one or more security updates.

Description

Description of changes:

kernel-uek

[3.8.13-118.33.2.el7uek]
- 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}

[3.8.13-118.33.1.el7uek]
- 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}
- x86/speculation: Consolidate CPU whitelists (Thomas Gleixner) [Orabug: 29641784] {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}

Solution

Update the affected unbreakable enterprise kernel packages.

See Also

https://oss.oracle.com/pipermail/el-errata/2019-May/008719.html

https://oss.oracle.com/pipermail/el-errata/2019-May/008720.html

Plugin Details

Severity: Medium

ID: 125115

File Name: oraclelinux_ELSA-2019-4636.nasl

Version: 1.6

Type: local

Agent: unix

Published: 5/15/2019

Updated: 1/17/2020

Dependencies: ssh_get_info.nasl, linux_alt_patch_detect.nasl

Risk Information

CVSS Score Source: CVE-2019-11091

VPR

Risk Factor: High

Score: 7.7

CVSS v2

Risk Factor: Medium

Base Score: 4.7

Temporal Score: 3.5

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

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

CVSS v3

Risk Factor: Medium

Base Score: 5.6

Temporal Score: 4.9

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

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

Vulnerability Information

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

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

Exploit Ease: No known exploits are available

Patch Publication Date: 5/14/2019

Vulnerability Publication Date: 5/30/2019

Reference Information

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