Oracle Linux 6 : Unbreakable Enterprise kernel (ELSA-2018-4020)

medium Nessus Plugin ID 106328
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Synopsis

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

Description

The remote Oracle Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2018-4020 advisory.

- Systems with microprocessors utilizing speculative execution and indirect branch prediction may allow unauthorized disclosure of information to an attacker with local user access via a side-channel analysis.
(CVE-2017-5715)

- Systems with microprocessors utilizing speculative execution and branch prediction may allow unauthorized disclosure of information to an attacker with local user access via a side-channel analysis.
(CVE-2017-5753)

- Systems with microprocessors utilizing speculative execution and indirect branch prediction may allow unauthorized disclosure of information to an attacker with local user access via a side-channel analysis of the data cache. (CVE-2017-5754)

Note that Nessus has not tested for this issue 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-2018-4020.html

Plugin Details

Severity: Medium

ID: 106328

File Name: oraclelinux_ELSA-2018-4020.nasl

Version: 1.16

Type: local

Agent: unix

Published: 1/25/2018

Updated: 9/8/2021

Dependencies: linux_alt_patch_detect.nasl, ssh_get_info.nasl

Risk Information

CVSS Score Source: CVE-2017-5754

VPR

Risk Factor: High

Score: 8.5

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 6.3

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

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

CVSS v3

Risk Factor: Medium

Base Score: 5.6

Temporal Score: 5.4

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

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

Vulnerability Information

CPE: cpe:/o:oracle:linux:5, cpe:/o:oracle:linux:6, 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

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: 1/24/2018

Vulnerability Publication Date: 1/3/2018

Exploitable With

CANVAS (CANVAS)

Reference Information

CVE: CVE-2015-5157, CVE-2017-5715, CVE-2017-5753, CVE-2017-5754

IAVA: 2018-A-0017, 2018-A-0034-S, 2017-A-0345-S, 2018-A-0020, 2018-A-0022-S, 2017-A-0347-S, 2018-A-0032-S, 2018-A-0123-S, 2018-A-0019