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Red Hat Security Advisory 2020-5189-01

Red Hat Security Advisory 2020-5189-01
Posted Nov 24, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-5189-01 - The microcode_ctl packages provide microcode updates for Intel.

tags | advisory
systems | linux, redhat
advisories | CVE-2020-8696, CVE-2020-8698
MD5 | f0f2f52e9dc6dbee88bfc55f5652b988

Red Hat Security Advisory 2020-5189-01

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=====================================================================
Red Hat Security Advisory

Synopsis: Moderate: microcode_ctl security, bug fix and enhancement update
Advisory ID: RHSA-2020:5189-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:5189
Issue date: 2020-11-23
CVE Names: CVE-2020-8696 CVE-2020-8698
=====================================================================

1. Summary:

An update for microcode_ctl is now available for Red Hat Enterprise Linux
6.5 Advanced Update Support.

Red Hat Product Security has rated this update as having a security impact
of
Moderate. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available for each vulnerability from
the CVE
link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux Server AUS (v. 6.5) - x86_64

3. Description:

The microcode_ctl packages provide microcode updates for Intel.

Security Fix(es):

* hw: Vector Register Leakage-Active (CVE-2020-8696)

* hw: Fast forward store predictor (CVE-2020-8698)

Bug Fix(es) and Enhancement(s):

* Update Intel CPU microcode to microcode-20201112 release, addresses:

- 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 06-4e-03/0xc0 (SKL-U/U 2+3e/Y D0/K1) microcode (in
intel-06-4e-03/intel-ucode/06-4e-03) from revision 0xdc up to 0xe2;
- Update of 06-55-04/0xb7 (SKX-D/SP/W/X H0/M0/M1/U0) microcode (in
intel-06-55-04/intel-ucode/06-55-04) from revision 0x2006906 up
to 0x2006a08;
- Update of 06-5e-03/0x36 (SKL-H/S/Xeon E3 N0/R0/S0) microcode (in
intel-06-5e-03/intel-ucode/06-5e-03) from revision 0xdc up to 0xe2;
- Update of 06-7a-01/0x01 (GLK B0) microcode from revision 0x32 up
to 0x34;
- Update of 06-8e-09/0x10 (AML-Y 2+2 H0) microcode (in
intel-06-8e-9e-0x-dell/intel-ucode/06-8e-09) from revision 0xd6 up
to 0xde;
- Update of 06-8e-09/0xc0 (KBL-U/U 2+3e/Y H0/J1) microcode (in
intel-06-8e-9e-0x-dell/intel-ucode/06-8e-09) from revision 0xd6 up
to 0xde;
- Update of 06-8e-0a/0xc0 (CFL-U 4+3e D0, KBL-R Y0) microcode (in
intel-06-8e-9e-0x-dell/intel-ucode/06-8e-0a) from revision 0xd6 up
to 0xe0;
- Update of 06-8e-0b/0xd0 (WHL-U W0) microcode (in
intel-06-8e-9e-0x-dell/intel-ucode/06-8e-0b) 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 (in intel-06-8e-9e-0x-dell/intel-ucode/06-8e-0c) from
revision 0xd6 up to 0xde;
- Update of 06-9e-09/0x2a (KBL-G/H/S/X/Xeon E3 B0) microcode (in
intel-06-8e-9e-0x-dell/intel-ucode/06-9e-09) from revision 0xd6 up
to 0xde;
- Update of 06-9e-0a/0x22 (CFL-H/S/Xeon E U0) microcode (in
intel-06-8e-9e-0x-dell/intel-ucode/06-9e-0a) from revision 0xd6 up
to 0xde;
- Update of 06-9e-0b/0x02 (CFL-E/H/S B0) microcode (in
intel-06-8e-9e-0x-dell/intel-ucode/06-9e-0b) from revision 0xd6 up
to 0xde;
- Update of 06-9e-0c/0x22 (CFL-H/S/Xeon E P0) microcode (in
intel-06-8e-9e-0x-dell/intel-ucode/06-9e-0c) from revision 0xd6 up
to 0xde;
- Update of 06-9e-0d/0x22 (CFL-H/S/Xeon E R0) microcode (in
intel-06-8e-9e-0x-dell/intel-ucode/06-9e-0d) from revision 0xd6 up
to 0xde;
- 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 06-55-03/0x97 (SKX-SP B1) microcode from revision 0x1000157
up to 0x1000159;
- 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 06-7a-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-a6-00/0x80 (CML-U 6+2 A0) microcode from revision 0xca
up to 0xe0.

* Add a README file to the documentation directory.

(BZ#1890355, BZ#1890356, BZ#1893236, BZ#1893241)

4. Solution:

Before applying this update, make sure all previously released errata
relevant to your system have been applied.

For details on how to apply this update, refer to:

https://access.redhat.com/articles/11258

5. Bugs fixed (https://bugzilla.redhat.com/):

1890355 - CVE-2020-8696 hw: Vector Register Leakage-Active
1890356 - CVE-2020-8698 hw: Fast forward store predictor

6. Package List:

Red Hat Enterprise Linux Server AUS (v. 6.5):

Source:
microcode_ctl-1.17-17.34.el6_5.src.rpm

x86_64:
microcode_ctl-1.17-17.34.el6_5.x86_64.rpm
microcode_ctl-debuginfo-1.17-17.34.el6_5.x86_64.rpm

These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2020-8696
https://access.redhat.com/security/cve/CVE-2020-8698
https://access.redhat.com/security/updates/classification/#moderate

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2020 Red Hat, Inc.
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