Fedora 33 : 2:microcode_ctl (2020-2c8824c6b1)

medium Nessus Plugin ID 143171

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Synopsis

The remote Fedora host is missing a security update.

Description

- Update to upstream 2.1-31. 20201118

- Removal of 06-8c-01/0x80 (TGL-UP3/UP4 B1) microcode at revision 0x68[1];

- Update of 06-7a-01/0x01 (GLK B0) microcode from revision 0x32 up to 0x34[2].

[1] The microcode has been removed after reports of system hangs:
https://github.com/intel/Intel-Linux-Processor-Microcode-Data-Files/is sues/44

[2] Addresses CVE-2020-8695 for this platform.

----

- Update to upstream 2.1-30. 20201110

- Addition of 06-55-0b/0xbf (CPX-SP A1) microcode at revision 0x700001e;

- Addition of 06-8a-01/0x10 (LKF B2/B3) microcode at revision 0x28;

- Addition of 06-8c-01/0x80 (TGL-UP3/UP4 B1) microcode at revision 0x68;

- Addition of 06-a5-02/0x20 (CML-H R1) microcode at revision 0xe0;

- Addition of 06-a5-03/0x22 (CML-S 6+2 G1) microcode at revision 0xe0;

- Addition of 06-a5-05/0x22 (CML-S 10+2 Q0) microcode at revision 0xe0;

- Addition of 06-a6-01/0x80 (CML-U 6+2 v2 K0) microcode at revision 0xe0;

- Update of 06-3f-02/0x6f (HSX-E/EN/EP/EP 4S C0/C1/M1/R2) microcode from revision 0x43 up to 0x44;

- Update of 06-4e-03/0xc0 (SKL-U/U 2+3e/Y D0/K1) microcode from revision 0xd6 up to 0xe2;

- Update of 06-55-03/0x97 (SKX-SP B1) microcode from revision 0x1000157 up to 0x1000159;

- Update of 06-55-04/0xb7 (SKX-D/SP/W/X H0/M0/M1/U0) microcode from revision 0x2006906 up to 0x2006a08;

- Update of 06-55-06/0xbf (CLX-SP B0) microcode from revision 0x4002f01 up to 0x4003003;

- Update of 06-55-07/0xbf (CLX-SP/W/X B1/L1) microcode from revision 0x5002f01 up to 0x5003003;

- Update of 06-5c-09/0x03 (APL D0) microcode from revision 0x38 up to 0x40;

- Update of 06-5c-0a/0x03 (APL B1/F1) microcode from revision 0x16 up to 0x1e;

- Update of 06-5e-03/0x36 (SKL-H/S/Xeon E3 N0/R0/S0) microcode from revision 0xd6 up to 0xe2;

- Update of 06-7a-08/0x01 (GLK-R R0) microcode from revision 0x16 up to 0x18;

- Update of 06-7e-05/0x80 (ICL-U/Y D1) microcode from revision 0x78 up to 0xa0;

- Update of 06-8e-09/0x10 (AML-Y 2+2 H0) microcode from revision 0xd6 up to 0xde;

- Update of 06-8e-09/0xc0 (KBL-U/U 2+3e/Y H0/J1) microcode from revision 0xd6 up to 0xde;

- Update of 06-8e-0a/0xc0 (CFL-U 4+3e D0, KBL-R Y0) microcode from revision 0xd6 up to 0xe0;

- Update of 06-8e-0b/0xd0 (WHL-U W0) microcode from revision 0xd6 up to 0xde;

- Update of 06-8e-0c/0x94 (AML-Y 4+2 V0, CML-U 4+2 V0, WHL-U V0) microcode from revision 0xd6 up to 0xde;

- Update of 06-9e-09/0x2a (KBL-G/H/S/X/Xeon E3 B0) microcode from revision 0xd6 up to 0xde;

- Update of 06-9e-0a/0x22 (CFL-H/S/Xeon E U0) microcode from revision 0xd6 up to 0xde;

- Update of 06-9e-0b/0x02 (CFL-E/H/S B0) microcode from revision 0xd6 up to 0xde;

- Update of 06-9e-0c/0x22 (CFL-H/S/Xeon E P0) microcode from revision 0xd6 up to 0xde;

- Update of 06-9e-0d/0x22 (CFL-H/S/Xeon E R0) microcode from revision 0xd6 up to 0xde;

- Update of 06-a6-00/0x80 (CML-U 6+2 A0) microcode from revision 0xca up to 0xe0.

- Addresses CVE-2020-8695, CVE-2020-8696, CVE-2020-8698

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Update the affected 2:microcode_ctl package.

See Also

https://bodhi.fedoraproject.org/updates/FEDORA-2020-2c8824c6b1

Plugin Details

Severity: Medium

ID: 143171

File Name: fedora_2020-2c8824c6b1.nasl

Version: 1.3

Type: local

Agent: unix

Published: 11/23/2020

Updated: 11/30/2020

Dependencies: ssh_get_info.nasl

Risk Information

VPR

Risk Factor: Medium

Score: 6.1

CVSS v2

Risk Factor: Low

Base Score: 2.1

Temporal Score: 1.6

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

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

CVSS v3

Risk Factor: Medium

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: E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:fedoraproject:fedora:2:microcode_ctl, cpe:/o:fedoraproject:fedora:33

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

Exploit Ease: No known exploits are available

Patch Publication Date: 11/22/2020

Vulnerability Publication Date: 11/12/2020

Reference Information

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