Vulnerability in Intel Sgx_dcap
CVE-2022-21127
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.
EPSS: 0.055 (91.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Intel Sgx_dcap
- Intel Sgx_psw
- Intel Sgx_sdk
- Xen
- Debian Debian_linux — versions 10.0, 11.0
- N/a Intel(r) Processors — versions See references
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secure@intel.com (Patch, x_refsource_MISC, Vendor Advisory)
- secure@intel.com (mailing-list, x_refsource_MLIST, Patch, Mailing List, Third Party Advisory)
- secure@intel.com (x_refsource_CONFIRM, Third Party Advisory)
- secure@intel.com (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
Frequently asked questions
- What is CVE-2022-21127?
- CVE-2022-21127 is a medium-severity vulnerability in Intel Sgx_dcap, classified under Incomplete Cleanup. CVSS score: 5.5/10. Published 2022-06-15.
- How severe is CVE-2022-21127?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2022-21127 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.