Home/CVE/Incomplete cleanup in specific special register read operations for some Intel(R) Processors may allow an authenticated
CVE

CVE-2022-21127

Incomplete cleanup in specific special register read operations for some Intel(R) Processors may allow an authenticated

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.

MEDIUM · CVSS 5.5 EPSS 0.00466
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-459Incomplete Cleanup
CWE-459Incomplete Cleanup
▤

Affected Products & Versions

7
xenall versions
intel sgx dcap< 1.14.100.3
intel sgx psw< 2.16.100.3
intel sgx psw< 2.17.100.3
intel sgx sdk< 2.16.100.3
intel sgx sdk< 2.17.100.3
debian linuxall versions
▣

Scoring & Timeline

5.5
MEDIUM · CVSS v3.1 · secure@intel.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD15 Jun 2022 · 08:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

20
suse-csafSUSE-SU-2023:0416-1
suse-csafSUSE-SU-2022:2629-1
suse-csafSUSE-SU-2022:2615-1
usnUSN-5535-1
suse-csafSUSE-SU-2022:2520-1
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.openwall.com/lists/oss-security/2022/06/16/1Mailing ListPatchThird Party Advisory
https://security.netapp.com/advisory/ntap-20220624-0008/Third Party Advisory
https://www.debian.org/security/2022/dsa-5178Third Party Advisory
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00615.htmlPatchVendor Advisory
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