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amazonAmazonALAS-2022-1606
HistoryJun 30, 2022 - 11:38 p.m.

Medium: microcode_ctl

2022-06-3023:38:00
alas.aws.amazon.com
16

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

2.1 Low

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.0005 Low

EPSS

Percentile

15.5%

Issue Overview:

A flaw was found in hw. Processor optimization removal or modification of security-critical code for some Intel® processors may potentially allow an authenticated user to enable information disclosure via local access. (CVE-2022-21151)

A flaw was found in hw. Incomplete cleanup in specific special register write operations for some Intel® Processors may allow an authenticated user to enable information disclosure via local access. (CVE-2022-21166)

Affected Packages:

microcode_ctl

Issue Correction:
Run yum update microcode_ctl to update your system.

New Packages:

i686:  
    microcode_ctl-2.1-47.40.amzn1.i686  
    microcode_ctl-debuginfo-2.1-47.40.amzn1.i686  
  
src:  
    microcode_ctl-2.1-47.40.amzn1.src  
  
x86_64:  
    microcode_ctl-2.1-47.40.amzn1.x86_64  
    microcode_ctl-debuginfo-2.1-47.40.amzn1.x86_64  

Additional References

Red Hat: CVE-2022-21151, CVE-2022-21166

Mitre: CVE-2022-21151, CVE-2022-21166

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

2.1 Low

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.0005 Low

EPSS

Percentile

15.5%