RHBA-2022:8351: microcode_ctl security update

RHBA-2022:8351, released November 15, 2022, fixes 4 CVEs in microcode_ctl (version 4:20220809-1.el9). None of them is reported as exploited. Patch Radar priority: Routine.

Routine

CVEs closed

None rated Critical

Exploited

None reported

Highest CVSS

6.1

Base score, 0 to 10

Highest EPSS

0.0645

93rd percentile

Priority of the 4 CVEs

Patch now 0
                                Urgent 0
                                High 0
                                Routine 4

Fixed package versions

Product	Release	Fixed in
microcode_ctl	RHEL 9	4:20220809-1.el9

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
Routine	CVE-2022-21166	Intel: CVE-2022-21166 Device Register Partial Write (DRPW)	6.1	0.0645	Exploitation Less Likely
Routine	CVE-2022-21151	microcode_ctl: For detailed information on changes in this release, see the Red Hat Enterprise Linux 9.1 Release Notes linked from t...	5.5	0.0036	None reported
Routine	CVE-2022-21136	microcode_ctl: For detailed information on changes in this release, see the Red Hat Enterprise Linux 9.1 Release Notes linked from t...	2.7	0.0027	None reported
Routine	CVE-2022-0005	microcode_ctl: For detailed information on changes in this release, see the Red Hat Enterprise Linux 9.1 Release Notes linked from t...	4.9	0.0021	None reported

Also fixes CVE-2022-21166

ALAS2023-2023-070
bpftool, bpftool-debuginfo, kernel and 16 more on amzn 2023
KB5014699
Windows 10 Version 20H2 for 32-bit Systems, Windows 10 Version 20H2 for ARM64-based Systems, Windows 10 Version 21H1 for 32-bit Systems and 6 more
KB5014692
Windows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for ARM64-based Systems, Windows 10 Version 1809 for x64-based Systems and 2 more
KB5014678
Windows Server 2022, Windows Server 2022 (Server Core installation)
KB5014702
Windows 10 Version 1607 for 32-bit Systems, Windows 10 Version 1607 for x64-based Systems, Windows Server 2016 and 1 more
KB5014697
Windows 11 version 21H2 for ARM64-based Systems, Windows 11 version 21H2 for x64-based Systems
KB5014738
Windows 8.1 for 32-bit systems, Windows 8.1 for x64-based systems, Windows RT 8.1 and 2 more
KB5014746
Windows 8.1 for 32-bit systems, Windows 8.1 for x64-based systems, Windows Server 2012 R2 and 1 more

Vendor advisory

https://access.redhat.com/errata/RHBA-2022:8351

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