- Issued:
- 2021-08-09
- Updated:
- 2021-08-10
RHSA-2021:3029 - Security Advisory
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.
Topic
An update for microcode_ctl is now available for Red Hat Enterprise Linux 7.7 Extended Update Support.
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:
Affected Products
- Red Hat Enterprise Linux for x86_64 - Extended Update Support 7.7 x86_64
- Red Hat Enterprise Linux Server - AUS 7.7 x86_64
- Red Hat Enterprise Linux Server - TUS 7.7 x86_64
- Red Hat Enterprise Linux EUS Compute Node 7.7 x86_64
- Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 7.7 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 - 1972332 - [rhel-7.7.z] Re-enable 06-5e-03 (SKL-H/S, CPUID 0x506e3) latest microcode updates
CVEs
Red Hat Enterprise Linux for x86_64 - Extended Update Support 7.7
SRPM | |
---|---|
microcode_ctl-2.1-53.18.el7_7.src.rpm | SHA-256: 32ed49a0194d90c37682f83f746b79a35d0b4f587eaaa48765477cfd66776042 |
x86_64 | |
microcode_ctl-2.1-53.18.el7_7.x86_64.rpm | SHA-256: ff0c18d81625a301b659d24a90b89f97027855edde9b520bdb28630af312f1ce |
microcode_ctl-debuginfo-2.1-53.18.el7_7.x86_64.rpm | SHA-256: 38b7de0b5dd70d0a4bb95f2bf0943de544ef7a8b6c56ec06eb42edc43c4defe7 |
Red Hat Enterprise Linux Server - AUS 7.7
SRPM | |
---|---|
microcode_ctl-2.1-53.18.el7_7.src.rpm | SHA-256: 32ed49a0194d90c37682f83f746b79a35d0b4f587eaaa48765477cfd66776042 |
x86_64 | |
microcode_ctl-2.1-53.18.el7_7.x86_64.rpm | SHA-256: ff0c18d81625a301b659d24a90b89f97027855edde9b520bdb28630af312f1ce |
microcode_ctl-debuginfo-2.1-53.18.el7_7.x86_64.rpm | SHA-256: 38b7de0b5dd70d0a4bb95f2bf0943de544ef7a8b6c56ec06eb42edc43c4defe7 |
Red Hat Enterprise Linux Server - TUS 7.7
SRPM | |
---|---|
microcode_ctl-2.1-53.18.el7_7.src.rpm | SHA-256: 32ed49a0194d90c37682f83f746b79a35d0b4f587eaaa48765477cfd66776042 |
x86_64 | |
microcode_ctl-2.1-53.18.el7_7.x86_64.rpm | SHA-256: ff0c18d81625a301b659d24a90b89f97027855edde9b520bdb28630af312f1ce |
microcode_ctl-debuginfo-2.1-53.18.el7_7.x86_64.rpm | SHA-256: 38b7de0b5dd70d0a4bb95f2bf0943de544ef7a8b6c56ec06eb42edc43c4defe7 |
Red Hat Enterprise Linux EUS Compute Node 7.7
SRPM | |
---|---|
microcode_ctl-2.1-53.18.el7_7.src.rpm | SHA-256: 32ed49a0194d90c37682f83f746b79a35d0b4f587eaaa48765477cfd66776042 |
x86_64 | |
microcode_ctl-2.1-53.18.el7_7.x86_64.rpm | SHA-256: ff0c18d81625a301b659d24a90b89f97027855edde9b520bdb28630af312f1ce |
microcode_ctl-debuginfo-2.1-53.18.el7_7.x86_64.rpm | SHA-256: 38b7de0b5dd70d0a4bb95f2bf0943de544ef7a8b6c56ec06eb42edc43c4defe7 |
Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 7.7
SRPM | |
---|---|
microcode_ctl-2.1-53.18.el7_7.src.rpm | SHA-256: 32ed49a0194d90c37682f83f746b79a35d0b4f587eaaa48765477cfd66776042 |
x86_64 | |
microcode_ctl-2.1-53.18.el7_7.x86_64.rpm | SHA-256: ff0c18d81625a301b659d24a90b89f97027855edde9b520bdb28630af312f1ce |
microcode_ctl-debuginfo-2.1-53.18.el7_7.x86_64.rpm | SHA-256: 38b7de0b5dd70d0a4bb95f2bf0943de544ef7a8b6c56ec06eb42edc43c4defe7 |
The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.