Oracle Linux 8 : microcode_ctl (ELSA-2020-5085)

Low Nessus Plugin ID 142963

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VPR Score: 6.1

Synopsis

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

Description

The remote Oracle Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the ELSA-2020-5085 advisory.

- Observable discrepancy in the RAPL interface for some Intel(R) Processors may allow a privileged user to potentially enable information disclosure via local access. (CVE-2020-8695)

- Improper removal of sensitive information before storage or transfer in some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access. (CVE-2020-8696)

- Improper isolation of shared resources in some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access. (CVE-2020-8698)

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 microcode_ctl package.

See Also

https://linux.oracle.com/errata/ELSA-2020-5085.html

Plugin Details

Severity: Low

ID: 142963

File Name: oraclelinux_ELSA-2020-5085.nasl

Version: 1.4

Type: local

Agent: unix

Published: 2020/11/17

Updated: 2020/12/01

Dependencies: 12634

Risk Information

Risk Factor: Low

VPR Score: 6.1

CVSS Score Source: CVE-2020-8698

CVSS v2.0

Base Score: 2.1

Temporal Score: 1.6

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

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

CVSS v3.0

Base Score: 5.5

Temporal Score: 4.8

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:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:oracle:linux:8, p-cpe:/a:oracle:linux:microcode_ctl

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

Exploit Ease: No known exploits are available

Patch Publication Date: 2020/11/17

Vulnerability Publication Date: 2020/11/11

Reference Information

CVE: CVE-2020-8695, CVE-2020-8696, CVE-2020-8698