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centosCentOS ProjectCESA-2021:3028
HistoryAug 09, 2021 - 3:29 p.m.

microcode_ctl security update

2021-08-0915:29:53
CentOS Project
lists.centos.org
198

8.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

4.6 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:P/I:P/A:P

0.001 Low

EPSS

Percentile

17.1%

CentOS Errata and Security Advisory CESA-2021:3028

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)

Merged security bulletin from advisories:
https://lists.centos.org/pipermail/centos-announce/2021-August/086138.html

Affected packages:
microcode_ctl

Upstream details at:
https://access.redhat.com/errata/RHSA-2021:3028

OSVersionArchitecturePackageVersionFilename
CentOS7x86_64microcode_ctl< 2.1-73.11.el7_9microcode_ctl-2.1-73.11.el7_9.x86_64.rpm

8.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

4.6 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:P/I:P/A:P

0.001 Low

EPSS

Percentile

17.1%

Related for CESA-2021:3028