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Red Hat 6: RHSA-2020-2433-01 Moderate: microcode_ctl Update

red hat
Calendar Grey June 9, 2020
Dist Redhat Esm H88
Canonical recommends essential security patches for linux-firmware to rectify severe hardware vulnerabilities in various platforms.
An update for microcode_ctl is now available for Red Hat Enterprise Linux 6

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

Summary

The microcode_ctl packages provide microcode updates for Intel and AMD processors.
Security Fix(es):
* hw: Special Register Buffer Data Sampling (SRBDS) (CVE-2020-0543)
* hw: L1D Cache Eviction Sampling (CVE-2020-0549)
* hw: Vector Register Data Sampling (CVE-2020-0548)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Bug Fix(es) and Enhancement(s):
* Update Intel CPU microcode to microcode-20200602 release, addresses: - Update of 06-3c-03/0x32 (HSW C0) microcode from revision 0x27 up to 0x28; - Update of 06-3d-04/0xc0 (BDW-U/Y E0/F0) microcode from revision 0x2e up to 0x2f; - Update of 06-45-01/0x72 (HSW-U C0/D0) microcode from revision 0x25 up to 0x26; - Update of 06-46-01/0x32 (HSW-H C0) microcode from revision 0x1b up to 0x1c; - Update of 06-47-01/0x22 (BDW-H/Xeon E3 E0/G0) microcode from revision 0x21 up to 0x22; - Update of 06-4e-03/0xc0 (SKL-U/Y D0) microcode from revision 0xd6 up to 0xdc; - Update of 06-55-03/0x97 (SKX-SP B1) microcode from revision 0x1000151 up to 0x1000157; - Update of 06-55-04/0xb7 (SKX-SP H0/M0/U0, SKX-D M1) microcode (in intel-06-55-04/intel-ucode/06-55-04) from revision 0x2000065 up to 0x2006906; - Update of 06-55-06/0xbf (CLX-SP B0) microcode from revision 0x400002c up to 0x4002f01; - Update of 06-55-07/0xbf (CLX-SP B1) microcode from revision 0x500002c up to 0x5002f01; - Update of 06-5e-03/0x36 (SKL-H/S R0/N0) microcode from revision 0xd6 up to 0xdc; - Update of 06-8e-09/0x10 (AML-Y22 H0) microcode from revision 0xca up to 0xd6; - Update of 06-8e-09/0xc0 (KBL-U/Y H0) microcode from revision 0xca up to 0xd6; - Update of 06-8e-0a/0xc0 (CFL-U43e D0) microcode from revision 0xca up to 0xd6; - Update of 06-8e-0b/0xd0 (WHL-U W0) microcode from revision 0xca up to 0xd6; - Update of 06-8e-0c/0x94 (AML-Y42 V0, CML-Y42 V0, WHL-U V0) microcode from revision 0xca up to 0xd6; - Update of 06-9e-09/0x2a (KBL-G/H/S/X/Xeon E3 B0) microcode from revision 0xca up to 0xd6; - Update of 06-9e-0a/0x22 (CFL-H/S/Xeon E3 U0) microcode from revision 0xca up to 0xd6; - Update of 06-9e-0b/0x02 (CFL-S B0) microcode from revision 0xca up to 0xd6; - Update of 06-9e-0c/0x22 (CFL-H/S P0) microcode from revision 0xca up to 0xd6; - Update of 06-9e-0d/0x22 (CFL-H R0) microcode from revision 0xca up to 0xd6.
* Update Intel CPU microcode to microcode-20200520 release: - Update of 06-2d-06/0x6d (SNB-E/EN/EP C1/M0) microcode from revision 0x61f up to 0x621; - Update of 06-2d-07/0x6d (SNB-E/EN/EP C2/M1) microcode from revision 0x718 up to 0x71a; - Update of 06-7e-05/0x80 (ICL-U/Y D1) microcode from revision 0x46 up to 0x78.
(BZ#1839193)
* Narrow down SKL-SP/W/X blacklist to exclude Server/FPGA/Fabric segment models. (BZ#1835555)

Topics%20covered

Topics Covered

security advisory moderate bug fix red hat enterprise microcode_ctl

References

https://access.redhat.com/security/cve/CVE-2020-0543 https://access.redhat.com/security/cve/CVE-2020-0548 https://access.redhat.com/security/cve/CVE-2020-0549 https://access.redhat.com/security/updates/classification#moderate https://access.redhat.com/solutions/5142751 https://access.redhat.com/solutions/5142691

Package List

Red Hat Enterprise Linux Desktop (v. 6):
Source: microcode_ctl-1.17-33.26.el6_10.src.rpm
i386: microcode_ctl-1.17-33.26.el6_10.i686.rpm microcode_ctl-debuginfo-1.17-33.26.el6_10.i686.rpm
x86_64: microcode_ctl-1.17-33.26.el6_10.x86_64.rpm microcode_ctl-debuginfo-1.17-33.26.el6_10.x86_64.rpm
Red Hat Enterprise Linux HPC Node (v. 6):
Source: microcode_ctl-1.17-33.26.el6_10.src.rpm
x86_64: microcode_ctl-1.17-33.26.el6_10.x86_64.rpm microcode_ctl-debuginfo-1.17-33.26.el6_10.x86_64.rpm
Red Hat Enterprise Linux Server (v. 6):
Source: microcode_ctl-1.17-33.26.el6_10.src.rpm
i386: microcode_ctl-1.17-33.26.el6_10.i686.rpm microcode_ctl-debuginfo-1.17-33.26.el6_10.i686.rpm
x86_64: microcode_ctl-1.17-33.26.el6_10.x86_64.rpm microcode_ctl-debuginfo-1.17-33.26.el6_10.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 6):
Source: microcode_ctl-1.17-33.26.el6_10.src.rpm
i386: microcode_ctl-1.17-33.26.el6_10.i686.rpm microcode_ctl-debuginfo-1.17-33.26.el6_10.i686.rpm
x86_64: microcode_ctl-1.17-33.26.el6_10.x86_64.rpm microcode_ctl-debuginfo-1.17-33.26.el6_10.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


Advisory ID: RHSA-2020:2433-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:2433
Issue date: 2020-06-09

Topic

An update for microcode_ctl is now available for Red Hat Enterprise Linux6.Red Hat Product Security has rated this update as having a security impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory moderate bug fix red hat enterprise microcode_ctl

Relevant Releases Architectures

Red Hat Enterprise Linux Desktop (v. 6) - i386, x86_64

Red Hat Enterprise Linux HPC Node (v. 6) - x86_64

Red Hat Enterprise Linux Server (v. 6) - i386, x86_64

Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64

Bugs Fixed

1788786 - CVE-2020-0548 hw: Vector Register Data Sampling

1788788 - CVE-2020-0549 hw: L1D Cache Eviction Sampling

1827165 - CVE-2020-0543 hw: Special Register Buffer Data Sampling (SRBDS)

1835555 - [RHEL 6] Narrow down the SKX (SKL-SP/X/W/D) microcode blacklist

1839193 - [RHEL 6] Package microcode-20200520 release

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