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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
220

4.6 Medium

CVSS2

Attack Vector

LOCAL

Attack 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

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

0.001 Low

EPSS

Percentile

19.5%

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

4.6 Medium

CVSS2

Attack Vector

LOCAL

Attack 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

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

0.001 Low

EPSS

Percentile

19.5%