CVE-2021-0146

2021-11-1700:00:00

ubuntu.com

hardware testing

debug logic

intel processors

privilege escalation

physical access

CVSS2

4.6

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

CVSS3

6.8

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.001

Percentile

31.9%

JSON

Hardware allows activation of test or debug logic at runtime for some
Intel® processors which may allow an unauthenticated user to potentially
enable escalation of privilege via physical access.

Notes

Author	Note
alexmurray	Updates available in upstream release https://github.com/intel/Intel-Linux-Processor-Microcode-Data-Files/releases/tag/microcode-20220207

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchintel-microcode< 3.20220510.0ubuntu0.18.04.1UNKNOWN
ubuntu20.04noarchintel-microcode< 3.20220510.0ubuntu0.20.04.1UNKNOWN
ubuntu21.10noarchintel-microcode< 3.20220510.0ubuntu0.21.10.1UNKNOWN
ubuntu22.04noarchintel-microcode< 3.20220510.0ubuntu0.22.04.1UNKNOWN
ubuntu22.10noarchintel-microcode< 3.20220207.1ubuntu1UNKNOWN
ubuntu16.04noarchintel-microcode< 3.20220510.0ubuntu0.16.04.1+esm1UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	intel-microcode	< 3.20220510.0ubuntu0.18.04.1	UNKNOWN
ubuntu	20.04	noarch	intel-microcode	< 3.20220510.0ubuntu0.20.04.1	UNKNOWN
ubuntu	21.10	noarch	intel-microcode	< 3.20220510.0ubuntu0.21.10.1	UNKNOWN
ubuntu	22.04	noarch	intel-microcode	< 3.20220510.0ubuntu0.22.04.1	UNKNOWN
ubuntu	22.10	noarch	intel-microcode	< 3.20220207.1ubuntu1	UNKNOWN
ubuntu	16.04	noarch	intel-microcode	< 3.20220510.0ubuntu0.16.04.1+esm1	UNKNOWN