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Red Hat Product Errata RHSA-2021:3027 - Security Advisory
Issued:
2021-08-09
Updated:
2021-08-09

RHSA-2021:3027 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

Important: microcode_ctl security, bug fix and enhancement update

Type/Severity

Security Advisory: Important

Red Hat Insights patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

An update for microcode_ctl is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact
of Important. 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.

Description

The microcode_ctl packages provide microcode updates for Intel.

Security Fix(es):

  • hw: Special Register Buffer Data Sampling (SRBDS) (CVE-2020-0543)
  • hw: Vector Register Data Sampling (CVE-2020-0548)
  • hw: L1D Cache Eviction Sampling (CVE-2020-0549)
  • hw: vt-d related privilege escalation (CVE-2020-24489)
  • hw: improper isolation of shared resources in some Intel Processors

(CVE-2020-24511)

  • hw: observable timing discrepancy in some Intel Processors

(CVE-2020-24512)

  • hw: Information disclosure issue in Intel SGX via RAPL interface

(CVE-2020-8695)

  • hw: Vector Register Leakage-Active (CVE-2020-8696)
  • hw: Fast forward store predictor (CVE-2020-8698)

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

Affected Products

  • Red Hat Enterprise Linux for x86_64 8 x86_64
  • Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.8 x86_64
  • Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.6 x86_64
  • Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.4 x86_64
  • Red Hat Enterprise Linux Server - AUS 8.6 x86_64
  • Red Hat Enterprise Linux Server - AUS 8.4 x86_64
  • Red Hat Enterprise Linux Server - TUS 8.8 x86_64
  • Red Hat Enterprise Linux Server - TUS 8.6 x86_64
  • Red Hat Enterprise Linux Server - TUS 8.4 x86_64
  • Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.8 x86_64
  • Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.6 x86_64
  • Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.4 x86_64

Fixes

  • BZ - 1788786 - CVE-2020-0548 hw: Vector Register Data Sampling
  • BZ - 1788788 - CVE-2020-0549 hw: L1D Cache Eviction Sampling
  • BZ - 1827165 - CVE-2020-0543 hw: Special Register Buffer Data Sampling (SRBDS)
  • BZ - 1828583 - CVE-2020-8695 hw: Information disclosure issue in Intel SGX via RAPL interface
  • BZ - 1890355 - CVE-2020-8696 hw: Vector Register Leakage-Active
  • BZ - 1890356 - CVE-2020-8698 hw: Fast forward store predictor
  • BZ - 1962650 - CVE-2020-24489 hw: vt-d related privilege escalation
  • BZ - 1962702 - CVE-2020-24511 hw: improper isolation of shared resources in some Intel Processors
  • BZ - 1962722 - CVE-2020-24512 hw: observable timing discrepancy in some Intel Processors
  • BZ - 1972325 - [rhel-8.4.0.z] Re-enable 06-5e-03 (SKL-H/S, CPUID 0x506e3) latest microcode updates
  • BZ - 1972328 - [rhel-8.4.0.z] Re-enable 06-8c-01 (TGL-UP3/UP4, CPUID 0x806c1) latest microcode updates

CVEs

  • CVE-2020-0543
  • CVE-2020-0548
  • CVE-2020-0549
  • CVE-2020-8695
  • CVE-2020-8696
  • CVE-2020-8698
  • CVE-2020-24489
  • CVE-2020-24511
  • CVE-2020-24512

References

  • https://access.redhat.com/security/updates/classification/#important
Note: More recent versions of these packages may be available. Click a package name for more details.

Red Hat Enterprise Linux for x86_64 8

SRPM
microcode_ctl-20210216-1.20210608.1.el8_4.src.rpm SHA-256: abf765fd3e72af6a50081cb75ed05e210d4482fb45ec75f6c944e65a94b1dbe0
x86_64
microcode_ctl-20210216-1.20210608.1.el8_4.x86_64.rpm SHA-256: b0bd70dcdfd28019d7ba893fa522b7d54b9c9cd82fafc137de82f7529ba90def

Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.8

SRPM
microcode_ctl-20210216-1.20210608.1.el8_4.src.rpm SHA-256: abf765fd3e72af6a50081cb75ed05e210d4482fb45ec75f6c944e65a94b1dbe0
x86_64
microcode_ctl-20210216-1.20210608.1.el8_4.x86_64.rpm SHA-256: b0bd70dcdfd28019d7ba893fa522b7d54b9c9cd82fafc137de82f7529ba90def

Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.6

SRPM
microcode_ctl-20210216-1.20210608.1.el8_4.src.rpm SHA-256: abf765fd3e72af6a50081cb75ed05e210d4482fb45ec75f6c944e65a94b1dbe0
x86_64
microcode_ctl-20210216-1.20210608.1.el8_4.x86_64.rpm SHA-256: b0bd70dcdfd28019d7ba893fa522b7d54b9c9cd82fafc137de82f7529ba90def

Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.4

SRPM
microcode_ctl-20210216-1.20210608.1.el8_4.src.rpm SHA-256: abf765fd3e72af6a50081cb75ed05e210d4482fb45ec75f6c944e65a94b1dbe0
x86_64
microcode_ctl-20210216-1.20210608.1.el8_4.x86_64.rpm SHA-256: b0bd70dcdfd28019d7ba893fa522b7d54b9c9cd82fafc137de82f7529ba90def

Red Hat Enterprise Linux Server - AUS 8.6

SRPM
microcode_ctl-20210216-1.20210608.1.el8_4.src.rpm SHA-256: abf765fd3e72af6a50081cb75ed05e210d4482fb45ec75f6c944e65a94b1dbe0
x86_64
microcode_ctl-20210216-1.20210608.1.el8_4.x86_64.rpm SHA-256: b0bd70dcdfd28019d7ba893fa522b7d54b9c9cd82fafc137de82f7529ba90def

Red Hat Enterprise Linux Server - AUS 8.4

SRPM
microcode_ctl-20210216-1.20210608.1.el8_4.src.rpm SHA-256: abf765fd3e72af6a50081cb75ed05e210d4482fb45ec75f6c944e65a94b1dbe0
x86_64
microcode_ctl-20210216-1.20210608.1.el8_4.x86_64.rpm SHA-256: b0bd70dcdfd28019d7ba893fa522b7d54b9c9cd82fafc137de82f7529ba90def

Red Hat Enterprise Linux Server - TUS 8.8

SRPM
microcode_ctl-20210216-1.20210608.1.el8_4.src.rpm SHA-256: abf765fd3e72af6a50081cb75ed05e210d4482fb45ec75f6c944e65a94b1dbe0
x86_64
microcode_ctl-20210216-1.20210608.1.el8_4.x86_64.rpm SHA-256: b0bd70dcdfd28019d7ba893fa522b7d54b9c9cd82fafc137de82f7529ba90def

Red Hat Enterprise Linux Server - TUS 8.6

SRPM
microcode_ctl-20210216-1.20210608.1.el8_4.src.rpm SHA-256: abf765fd3e72af6a50081cb75ed05e210d4482fb45ec75f6c944e65a94b1dbe0
x86_64
microcode_ctl-20210216-1.20210608.1.el8_4.x86_64.rpm SHA-256: b0bd70dcdfd28019d7ba893fa522b7d54b9c9cd82fafc137de82f7529ba90def

Red Hat Enterprise Linux Server - TUS 8.4

SRPM
microcode_ctl-20210216-1.20210608.1.el8_4.src.rpm SHA-256: abf765fd3e72af6a50081cb75ed05e210d4482fb45ec75f6c944e65a94b1dbe0
x86_64
microcode_ctl-20210216-1.20210608.1.el8_4.x86_64.rpm SHA-256: b0bd70dcdfd28019d7ba893fa522b7d54b9c9cd82fafc137de82f7529ba90def

Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.8

SRPM
microcode_ctl-20210216-1.20210608.1.el8_4.src.rpm SHA-256: abf765fd3e72af6a50081cb75ed05e210d4482fb45ec75f6c944e65a94b1dbe0
x86_64
microcode_ctl-20210216-1.20210608.1.el8_4.x86_64.rpm SHA-256: b0bd70dcdfd28019d7ba893fa522b7d54b9c9cd82fafc137de82f7529ba90def

Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.6

SRPM
microcode_ctl-20210216-1.20210608.1.el8_4.src.rpm SHA-256: abf765fd3e72af6a50081cb75ed05e210d4482fb45ec75f6c944e65a94b1dbe0
x86_64
microcode_ctl-20210216-1.20210608.1.el8_4.x86_64.rpm SHA-256: b0bd70dcdfd28019d7ba893fa522b7d54b9c9cd82fafc137de82f7529ba90def

Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.4

SRPM
microcode_ctl-20210216-1.20210608.1.el8_4.src.rpm SHA-256: abf765fd3e72af6a50081cb75ed05e210d4482fb45ec75f6c944e65a94b1dbe0
x86_64
microcode_ctl-20210216-1.20210608.1.el8_4.x86_64.rpm SHA-256: b0bd70dcdfd28019d7ba893fa522b7d54b9c9cd82fafc137de82f7529ba90def

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

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