RedHatRHSA-2021:2305(RHSA-2021:2305) Important: microcode_ctl security, bug fix and enhancement update
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
30.9%
The microcode_ctl packages provide microcode updates for Intel.
Security Fix(es):
-
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 on some Intel Atom processors (CVE-2020-24513)
Bug Fix(es) and Enhancement(s):
- Update Intel CPU microcode to microcode-20210525 release
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| RedHat | 7 | x86_64 | microcode_ctl-debuginfo | < 2.1-73.9.el7_9 | microcode_ctl-debuginfo-2.1-73.9.el7_9.x86_64.rpm |
| RedHat | 7 | x86_64 | microcode_ctl | < 2.1-73.9.el7_9 | microcode_ctl-2.1-73.9.el7_9.x86_64.rpm |
Related
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
30.9%