Sigurnosni nedostaci programskog paketa microcode_ctl

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Red Hat Security Advisory

Synopsis: Moderate: microcode_ctl security, bug fix and enhancement update
Advisory ID: RHSA-2020:2757-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:2757
Issue date: 2020-06-29
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
8.0 Update Services for SAP Solutions.

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 E4S (v. 8.0) – 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 Fixes:

* Update Intel CPU microcode to microcode-20200609 release:
– Addition of 06-4d-08/0x01 (AVN B0/C0) microcode at revision 0x12d;
– Addition of 06-55-06/0xbf (CLX-SP B0) microcode at revision 0x4002f01;
– Addition of 06-7a-08/0x01 (GLK R0) microcode at revision 0x16;
– 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
(in intel-06-2d-07/intel-ucode/06-2d-07) 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 0xd4
up to 0xdc;
– Update of 06-55-03/0x97 (SKX-SP B1) microcode from revision 0x1000150
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 0x2000064
up to 0x2006906;
– Update of 06-55-07/0xbf (CLX-SP B1) microcode from revision 0x500002b
up to 0x5002f01;
– Update of 06-5e-03/0x36 (SKL-H/S R0/N0) microcode from revision 0xd4
up to 0xdc;
– Update of 06-7a-01/0x01 (GLK B0) microcode from revision 0x2e up to
0x32;
– 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 0xc6
up to 0xd6;
– Update of 06-8e-09/0xc0 (KBL-U/Y H0) microcode from revision 0xc6
up to 0xd6;
– Update of 06-8e-0a/0xc0 (CFL-U43e D0) microcode from revision 0xc6
up to 0xd6;
– Update of 06-8e-0b/0xd0 (WHL-U W0) microcode from revision 0xc6
up to 0xd6;
– Update of 06-8e-0c/0x94 (AML-Y42 V0, CML-Y42 V0, WHL-U V0) microcode
from revision 0xc6 up to 0xd6;
– Update of 06-9e-09/0x2a (KBL-G/H/S/X/Xeon E3 B0) microcode from
revision
0xc6 up to 0xd6;
– Update of 06-9e-0a/0x22 (CFL-H/S/Xeon E3 U0) microcode from revision
0xc6
up to 0xd6;
– Update of 06-9e-0b/0x02 (CFL-S B0) microcode from revision 0xc6 up to
0xd6;
– Update of 06-9e-0c/0x22 (CFL-H/S P0) microcode from revision 0xae
up to 0xd6;
– Update of 06-9e-0d/0x22 (CFL-H R0) microcode from revision 0xc6 up to
0xd6.
– Update of 06-a6-00/0x80 (CML-U 6+2 A0) from revision 0xc6 up to 0xca.
* 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.
* Add 06-55-04 (SKL-X/W) caveat, enable it by default.
* Update stale posttrans dependency, add triggers for proper handling
of the debug kernel flavour along with kernel-rt.
* 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)
1848438 – [rhel-8.0.0] skylake (06-4e-03) microcode update hangs
1848501 – [rhel-8.0.0] Package microcode-20200609 release

6. Package List:

Red Hat Enterprise Linux BaseOS E4S (v. 8.0):

Source:
microcode_ctl-20180807a-2.20200609.1.el8_0.src.rpm

x86_64:
microcode_ctl-20180807a-2.20200609.1.el8_0.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 <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

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Hash: SHA256

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

Synopsis: Moderate: microcode_ctl security, bug fix and enhancement update
Advisory ID: RHSA-2020:2758-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:2758
Issue date: 2020-06-29
CVE Names: CVE-2020-0543 CVE-2020-0548 CVE-2020-0549
=====================================================================

1. Summary:

An update for microcode_ctl is now available for Red at Enterprise Linux
7.7 Extended Update Support.

2. Relevant releases/architectures:

Red Hat Enterprise Linux ComputeNode EUS (v. 7.7) – x86_64
Red Hat Enterprise Linux Server EUS (v. 7.7) – 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 in the intel-microcode2ucode.8 to point to the GitHub
repository since the microcode download section at Intel Download Center
does not exist anymore.

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)
1849064 – [rhel-7.7.z] Enable SNB-EP caveat by default

6. Package List:

Red Hat Enterprise Linux ComputeNode EUS (v. 7.7):

Source:
microcode_ctl-2.1-53.9.el7_7.src.rpm

x86_64:
microcode_ctl-2.1-53.9.el7_7.x86_64.rpm
microcode_ctl-debuginfo-2.1-53.9.el7_7.x86_64.rpm

Red Hat Enterprise Linux Server EUS (v. 7.7):

Source:
microcode_ctl-2.1-53.9.el7_7.src.rpm

x86_64:
microcode_ctl-2.1-53.9.el7_7.x86_64.rpm
microcode_ctl-debuginfo-2.1-53.9.el7_7.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:

8. Contact:

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

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