6.8 Medium
CVSS3
Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
6 Medium
AI Score
Confidence
High
4.7 Medium
CVSS2
Access Vector
ADJACENT_NETWORK
Access Complexity
LOW
Authentication
MULTIPLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:A/AC:L/Au:M/C:P/I:P/A:P
0.0004 Low
EPSS
Percentile
8.4%
Issue Overview:
Insufficient granularity of access control in out-of-band management in some Intel® Atom and Intel Xeon Scalable Processors may allow a privileged user to potentially enable escalation of privilege via adjacent network access. (CVE-2022-21216)
Incorrect calculation in microcode keying mechanism for some 3rd Generation Intel® Xeon® Scalable Processors may allow a privileged user to potentially enable information disclosure via local access. (CVE-2022-33972)
Improper isolation of shared resources in some Intel® Processors when using Intel® Software Guard Extensions may allow a privileged user to potentially enable information disclosure via local access. (CVE-2022-38090)
Affected Packages:
microcode_ctl
Note:
This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update microcode_ctl to update your system.
New Packages:
i686:
microcode_ctl-2.1-47.amzn2.0.15.i686
microcode_ctl-debuginfo-2.1-47.amzn2.0.15.i686
src:
microcode_ctl-2.1-47.amzn2.0.15.src
x86_64:
microcode_ctl-2.1-47.amzn2.0.15.x86_64
microcode_ctl-debuginfo-2.1-47.amzn2.0.15.x86_64
Red Hat: CVE-2022-21216, CVE-2022-33972, CVE-2022-38090
Mitre: CVE-2022-21216, CVE-2022-33972, CVE-2022-38090
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Amazon Linux | 2 | i686 | microcode_ctl | < 2.1-47.amzn2.0.15 | microcode_ctl-2.1-47.amzn2.0.15.i686.rpm |
Amazon Linux | 2 | i686 | microcode_ctl-debuginfo | < 2.1-47.amzn2.0.15 | microcode_ctl-debuginfo-2.1-47.amzn2.0.15.i686.rpm |
Amazon Linux | 2 | x86_64 | microcode_ctl | < 2.1-47.amzn2.0.15 | microcode_ctl-2.1-47.amzn2.0.15.x86_64.rpm |
Amazon Linux | 2 | x86_64 | microcode_ctl-debuginfo | < 2.1-47.amzn2.0.15 | microcode_ctl-debuginfo-2.1-47.amzn2.0.15.x86_64.rpm |
6.8 Medium
CVSS3
Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
6 Medium
AI Score
Confidence
High
4.7 Medium
CVSS2
Access Vector
ADJACENT_NETWORK
Access Complexity
LOW
Authentication
MULTIPLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:A/AC:L/Au:M/C:P/I:P/A:P
0.0004 Low
EPSS
Percentile
8.4%