SUSE SLES11 Security Update : microcode_ctl (SUSE-SU-2021:14758-1)

high Nessus Plugin ID 151127

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Synopsis

The remote SUSE host is missing one or more security updates.

Description

The remote SUSE Linux SLES11 / SLES_SAP11 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2021:14758-1 advisory.

- Incomplete cleanup in some Intel(R) VT-d products may allow an authenticated user to potentially enable escalation of privilege via local access. (CVE-2020-24489)

- Improper isolation of shared resources in some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access. (CVE-2020-24511)

- Observable timing discrepancy in some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access. (CVE-2020-24512)

- Domain-bypass transient execution vulnerability in some Intel Atom(R) Processors may allow an authenticated user to potentially enable information disclosure via local access. (CVE-2020-24513)

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 microcode_ctl package.

See Also

https://bugzilla.suse.com/1179833

https://bugzilla.suse.com/1179836

https://bugzilla.suse.com/1179837

https://bugzilla.suse.com/1179839

https://www.suse.com/security/cve/CVE-2020-24489

https://www.suse.com/security/cve/CVE-2020-24511

https://www.suse.com/security/cve/CVE-2020-24512

https://www.suse.com/security/cve/CVE-2020-24513

http://www.nessus.org/u?2699cc9e

Plugin Details

Severity: High

ID: 151127

File Name: suse_SU-2021-14758-1.nasl

Version: 1.6

Type: local

Agent: unix

Published: 6/29/2021

Updated: 7/13/2023

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.5

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.4

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

CVSS Score Source: CVE-2020-24489

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

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

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

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:microcode_ctl, cpe:/o:novell:suse_linux:11

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 6/28/2021

Vulnerability Publication Date: 6/9/2021

Reference Information

CVE: CVE-2020-24489, CVE-2020-24511, CVE-2020-24512, CVE-2020-24513

SuSE: SUSE-SU-2021:14758-1