CVE-2022-21127 : Incomplete cleanup in specific special register read operations for some Intel(R

Incomplete cleanup in specific special register read operations for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.

Published 2022-06-15 20:15:18

Updated 2023-01-31 17:27:41

Source Intel Corporation

View at NVD, CVE.org

Vulnerability category: Information leak

Products affected by CVE-2022-21127

Debian » Debian Linux » Version: 10.0
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
Matching versions
Debian » Debian Linux » Version: 11.0
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
Matching versions
Intel » Sgx Sdk » For Linux
Versions before (<) 2.17.100.3
cpe:2.3:a:intel:sgx_sdk:*:*:*:*:*:linux:*:*
Matching versions
Intel » Sgx Sdk » For Windows
Versions before (<) 2.16.100.3
cpe:2.3:a:intel:sgx_sdk:*:*:*:*:*:windows:*:*
Matching versions
Intel » Sgx Dcap » For Windows
Versions before (<) 1.14.100.3
cpe:2.3:a:intel:sgx_dcap:*:*:*:*:*:windows:*:*
Matching versions
Intel » Sgx Dcap » For Linux
Versions before (<) 1.14.100.3
cpe:2.3:a:intel:sgx_dcap:*:*:*:*:*:linux:*:*
Matching versions
Intel » Sgx Psw » For Linux
Versions before (<) 2.17.100.3
cpe:2.3:a:intel:sgx_psw:*:*:*:*:*:linux:*:*
Matching versions
Intel » Sgx Psw » For Windows
Versions before (<) 2.16.100.3
cpe:2.3:a:intel:sgx_psw:*:*:*:*:*:windows:*:*
Matching versions
XEN » XEN » For X86
cpe:2.3:o:xen:xen:*:*:*:*:*:*:x86:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2022-21127

EPSS FAQ

0.05%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 12 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2022-21127

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
2.1	LOW	AV:L/AC:L/Au:N/C:P/I:N/A:N	3.9	2.9	NIST
Access Vector: Local Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: None Availability Impact: None
5.5	MEDIUM	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N	1.8	3.6	NIST
Attack Vector: Local Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: High Integrity: None Availability: None

CWE ids for CVE-2022-21127

CWE-459 Incomplete Cleanup

The product does not properly "clean up" and remove temporary or supporting resources after they have been used.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2022-21127

https://www.debian.org/security/2022/dsa-5178

Debian -- Security Information -- DSA-5178-1 intel-microcode
Third Party Advisory

CVEs referencing this url
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00615.html

INTEL-SA-00615
Patch;Vendor Advisory

CVEs referencing this url
https://security.netapp.com/advisory/ntap-20220624-0008/

Intel SA-00615 Intel Processor Vulnerabilities in NetApp Products | NetApp Product Security
Third Party Advisory

CVEs referencing this url
http://www.openwall.com/lists/oss-security/2022/06/16/1

oss-security - Xen Security Advisory 404 v2 (CVE-2022-21123,CVE-2022-21125,CVE-2022-21166) - x86: MMIO Stale Data vulnerabilities
Mailing List;Patch;Third Party Advisory

CVEs referencing this url

Jump to

Vulnerability Details : CVE-2022-21127

Products affected by CVE-2022-21127

Exploit prediction scoring system (EPSS) score for CVE-2022-21127

CVSS scores for CVE-2022-21127

CWE ids for CVE-2022-21127

References for CVE-2022-21127