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RedHat: RHSA-2020-2677-01 Moderate: microcode_ctl Data Sampling Threat

Redhat Large Esm H500
An update for microcode_ctl is now available for Red Hat enterprise Linux 8.1 Extended 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
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====================================================================                   Red Hat Security Advisory

Synopsis:          Moderate: microcode_ctl security, bug fix and enhancement update
Advisory ID:       RHSA-2020:2677-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2020:2677
Issue date:        2020-06-23
CVE Names:         CVE-2020-0543 CVE-2020-0548 CVE-2020-0549 
====================================================================
1. Summary:

An update for microcode_ctl is now available for Red Hat enterprise Linux
8.1 Extended 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 BaseOS EUS (v. 8.1) - x86_64

3. Description:

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):

* Update Intel CPU microcode to microcode-20200609 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 06-3c-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 06-7e-05/0x80 (ICL-U/Y D1) microcode from revision 0x46
    up to 0x78;
  - 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.
* Do not update 06-4e-03 (SKL-U/Y) and 06-5e-03 (SKL-H/S/Xeon E3 v5) to
revision
  0xdc, use 0xd6 by default.
* Enable 06-2d-07 (SNB-E/EN/EP) caveat by default.
* Enable 06-55-04 (SKL-SP/X/W) caveat by default.
* Avoid find being SIGPIPE'd on early "grep -q" exit in the dracut script.
* Re-generate initramfs not only for the currently running kernel,
  but for several recently installed kernels as well.
* Change the URL to point to the GitHub repository since the microcode
download.
  section at Intel Download Center does not exist anymore.
* Avoid temporary file creation, used for here-documents in check_caveats.

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/):

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)
1848439 - [rhel-8.1.0] skylake (06-4e-03) microcode update hangs
1848502 - [rhel-8.1.0] Package microcode-20200609 release

6. Package List:

Red Hat Enterprise Linux BaseOS EUS (v. 8.1):

Source:
microcode_ctl-20190618-1.20200609.1.el8_1.src.rpm

x86_64:
microcode_ctl-20190618-1.20200609.1.el8_1.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-2020-0543
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/5142691
https://access.redhat.com/solutions/l1d-cache-eviction-and-vector-register-sampling

8. Contact:

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

Copyright 2020 Red Hat, Inc.
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RedHat: RHSA-2020-2677-01 Moderate: microcode_ctl Data Sampling Threat

red hat
Calendar Grey June 23, 2020
Dist Redhat Esm H88
The microcode_ctl update for Red Hat Enterprise Linux 8.1 responds to various moderate security vulnerabilities and resolves existing bugs.
An update for microcode_ctl is now available for Red Hat enterprise Linux 8.1 Extended Update Support

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

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):
* Update Intel CPU microcode to microcode-20200609 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 06-3c-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 06-7e-05/0x80 (ICL-U/Y D1) microcode from revision 0x46 up to 0x78; - 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. * Do not update 06-4e-03 (SKL-U/Y) and 06-5e-03 (SKL-H/S/Xeon E3 v5) to revision 0xdc, use 0xd6 by default. * Enable 06-2d-07 (SNB-E/EN/EP) caveat by default. * Enable 06-55-04 (SKL-SP/X/W) caveat by default. * Avoid find being SIGPIPE'd on early "grep -q" exit in the dracut script. * Re-generate initramfs not only for the currently running kernel, but for several recently installed kernels as well. * Change the URL to point to the GitHub repository since the microcode download. section at Intel Download Center does not exist anymore. * Avoid temporary file creation, used for here-documents in check_caveats.

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/5142691 https://access.redhat.com/solutions/l1d-cache-eviction-and-vector-register-sampling

Package List

Red Hat Enterprise Linux BaseOS EUS (v. 8.1):
Source: microcode_ctl-20190618-1.20200609.1.el8_1.src.rpm
x86_64: microcode_ctl-20190618-1.20200609.1.el8_1.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-2020:2677-01
Product: Red Hat Enterprise Linux
Issue date: 2020-06-23

Topic

An update for microcode_ctl is now available for Red Hat enterprise Linux8.1 Extended Update Support.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.

Relevant Releases Architectures

Red Hat Enterprise Linux BaseOS EUS (v. 8.1) - 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)

1848439 - [rhel-8.1.0] skylake (06-4e-03) microcode update hangs

1848502 - [rhel-8.1.0] Package microcode-20200609 release

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