Detections
Analytics

Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2018-4126)

medium Nessus Plugin ID 110404

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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-2018-4126 advisory.

 - x86/bugs: Rename SSBD_NO to SSB_NO (Konrad Rzeszutek Wilk) [Orabug: 28063992] {CVE-2018-3639}
 - KVM: SVM: Implement VIRT_SPEC_CTRL support for SSBD (Tom Lendacky) [Orabug: 28063992] [Orabug:
 28069548] {CVE-2018-3639}
 - x86/speculation, KVM: Implement support for VIRT_SPEC_CTRL/LS_CFG (Thomas Gleixner) [Orabug: 28063992] {CVE-2018-3639}
 - x86/bugs: Rework spec_ctrl base and mask logic (Thomas Gleixner) [Orabug: 28063992] {CVE-2018-3639}
 - x86/bugs: Expose x86_spec_ctrl_base directly (Thomas Gleixner) [Orabug: 28063992] {CVE-2018-3639}
 - x86/bugs: Unify x86_spec_ctrl_{set_guest,restore_host} (Borislav Petkov) [Orabug: 28063992] {CVE-2018-3639}
 - x86/speculation: Rework speculative_store_bypass_update() (Thomas Gleixner) [Orabug: 28063992] {CVE-2018-3639}
 - x86/speculation: Add virtualized speculative store bypass disable support (Tom Lendacky) [Orabug:
 28063992] {CVE-2018-3639}
 - x86/bugs, KVM: Extend speculation control for VIRT_SPEC_CTRL (Thomas Gleixner) [Orabug: 28063992] {CVE-2018-3639}
 - x86/speculation: Handle HT correctly on AMD (Thomas Gleixner) [Orabug: 28063992] {CVE-2018-3639}
 - x86/cpufeatures: Add FEATURE_ZEN (Thomas Gleixner) [Orabug: 28063992] {CVE-2018-3639}
 - x86/cpu/AMD: Fix erratum 1076 (CPB bit) (Borislav Petkov) [Orabug: 28063992] {CVE-2018-3639}
 - perf/hwbp: Simplify the perf-hwbp code, fix documentation (Linus Torvalds) [Orabug: 27947602] {CVE-2018-1000199}

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-2018-4126.html

Plugin Details

Severity: Medium

ID: 110404

File Name: oraclelinux_ELSA-2018-4126.nasl

Version: 1.13

Type: local

Agent: unix

Published: 6/8/2018

Updated: 10/22/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Low

Base Score: 2.1

Temporal Score: 1.6

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

CVSS Score Source: CVE-2018-3639

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

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: 6/7/2018

Vulnerability Publication Date: 5/1/2018

Reference Information

CVE: CVE-2018-1000199, CVE-2018-3639

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