Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2018-4017) (Spectre)

medium Nessus Plugin ID 106225
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VPR Score: 7.9

Synopsis

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

Description

Description of changes:

[4.1.12-112.14.13.el7uek]
- Revert 'kernel.spec: Require the new microcode_ctl.' (Brian Maly)

[4.1.12-112.14.12.el7uek]
- xen-blkback: add pending_req allocation stats (Ankur Arora) [Orabug: 27386890]
- xen-blkback: move indirect req allocation out-of-line (Ankur Arora) [Orabug: 27386890]
- xen-blkback: pull nseg validation out in a function (Ankur Arora) [Orabug: 27386890]
- xen-blkback: make struct pending_req less monolithic (Ankur Arora) [Orabug: 27386890]
- x86: Clean up IBRS functionality resident in common code (Kanth Ghatraju) [Orabug: 27403317]
- x86: Display correct settings for the SPECTRE_V2 bug (Kanth Ghatraju) [Orabug: 27403317]
- Set CONFIG_GENERIC_CPU_VULNERABILITIES flag (Kanth Ghatraju) [Orabug: 27403317]
- x86/cpu: Implement CPU vulnerabilites sysfs functions (Thomas Gleixner) [Orabug: 27403317]
- sysfs/cpu: Fix typos in vulnerability documentation (David Woodhouse) [Orabug: 27403317]
- sysfs/cpu: Add vulnerability folder (Thomas Gleixner) [Orabug: 27403317]
- x86/cpufeatures: Add X86_BUG_SPECTRE_V[12] (David Woodhouse) [Orabug: 27403317]
- x86/cpufeatures: Add X86_BUG_CPU_MELTDOWN (Kanth Ghatraju) [Orabug: 27403317]
- KVM: x86: Add memory barrier on vmcs field lookup (Andrew Honig) {CVE-2017-5753}
- KVM: VMX: remove I/O port 0x80 bypass on Intel hosts (Andrew Honig) [Orabug: 27402301] {CVE-2017-1000407} {CVE-2017-1000407}
- xfs: give all workqueues rescuer threads (Chris Mason) [Orabug: 27397568]
- ixgbevf: handle mbox_api_13 in ixgbevf_change_mtu (Joao Martins) [Orabug: 27397001]

Solution

Update the affected unbreakable enterprise kernel packages.

See Also

https://oss.oracle.com/pipermail/el-errata/2018-January/007463.html

https://oss.oracle.com/pipermail/el-errata/2018-January/007464.html

Plugin Details

Severity: Medium

ID: 106225

File Name: oraclelinux_ELSA-2018-4017.nasl

Version: 3.13

Type: local

Agent: unix

Published: 1/22/2018

Updated: 9/27/2019

Dependencies: ssh_get_info.nasl, linux_alt_patch_detect.nasl

Risk Information

Risk Factor: Medium

VPR Score: 7.9

CVSS v2.0

Base Score: 6.1

Temporal Score: 5.3

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

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

CVSS v3.0

Base Score: 7.4

Temporal Score: 7.1

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

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

Vulnerability Information

CPE: 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 Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 1/19/2018

Vulnerability Publication Date: 12/11/2017

Exploitable With

CANVAS (CANVAS)

Reference Information

CVE: CVE-2017-1000407, CVE-2017-5753

IAVA: 2018-A-0020