Detections
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Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2019-4531)

medium Nessus Plugin ID 121630

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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-2019-4531 advisory.

 - x86/bugs: Fix the AMD SSBD usage of the SPEC_CTRL MSR (Tom Lendacky) [Orabug: 28870524] {CVE-2018-3639}
 - x86/bugs: Add AMD's SPEC_CTRL MSR usage (Konrad Rzeszutek Wilk) [Orabug: 28870524] {CVE-2018-3639}
 - x86/cpufeatures: rename X86_FEATURE_AMD_SSBD to X86_FEATURE_LS_CFG_SSBD (Mihai Carabas) [Orabug:
 28870524] {CVE-2018-3639}
 - Make file credentials available to the seqfile interfaces (Linus Torvalds) [Orabug: 29114879] {CVE-2018-17972}
 - proc: restrict kernel stack dumps to root (Jann Horn) [Orabug: 29114879] {CVE-2018-17972}
 - nl80211: check for the required netlink attributes presence (Vladis Dronov) [Orabug: 29245533] {CVE-2017-12153} {CVE-2017-12153}

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-2019-4531.html

Plugin Details

Severity: Medium

ID: 121630

File Name: oraclelinux_ELSA-2019-4531.nasl

Version: 1.12

Type: local

Agent: unix

Published: 2/7/2019

Updated: 10/23/2024

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 4.9

Temporal Score: 3.8

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

CVSS Score Source: CVE-2018-17972

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 5

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

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

CVSS Score Source: CVE-2018-3639

Vulnerability Information

CPE: p-cpe:/a:oracle:linux:kernel-uek-debug-devel, cpe:/o:oracle:linux:7, 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, p-cpe:/a:oracle:linux:kernel-uek-debug, cpe:/o:oracle:linux:6

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2/6/2019

Vulnerability Publication Date: 9/13/2017

Reference Information

CVE: CVE-2017-12153, CVE-2018-17972, CVE-2018-3639

IAVA: 2018-A-0170, 2019-A-0025-S