What’s Vulnerable › Vulnerabilities

CVE-2022-21127

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 5.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-06-15 · updated 2026-06-17
• Weakness: CWE-459

Description

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.

Affected products

• Debian Linux: 10.0, 11.0
• Intel(R) SGX DCAP software for Windows: before 1.14.100.3 — fixed in 1.14.100.3
• Intel Sgx Psw: before 2.16.100.3; before 2.17.100.3 — fixed in 2.16.100.3, 2.17.100.3
• Intel(R) SGX SDK software: before 2.16.100.3; before 2.17.100.3 — fixed in 2.16.100.3, 2.17.100.3
• xen: all versions

How to fix

Upgrade to a fixed version: Intel(R) SGX DCAP software for Windows 1.14.100.3; Intel Sgx Psw 2.16.100.3, 2.17.100.3; Intel(R) SGX SDK software 2.16.100.3, 2.17.100.3. Check the vendor advisory for mitigations.

References

• http://www.openwall.com/lists/oss-security/2022/06/16/1
• https://security.netapp.com/advisory/ntap-20220624-0008/
• https://www.debian.org/security/2022/dsa-5178
• https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00615.html
• http://www.openwall.com/lists/oss-security/2022/06/16/1
• https://security.netapp.com/advisory/ntap-20220624-0008/
• https://www.debian.org/security/2022/dsa-5178
• https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00615.html

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