What’s Vulnerable › Vulnerabilities
CVE-2023-38021
- Severity: medium (CVSS 5.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.2% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2023-12-30 · updated 2026-06-17
Description
An issue was discovered in Fortanix EnclaveOS Confidential Computing Manager (CCM) Platform before 3.32 for Intel SGX. Lack of pointer-alignment validation logic in entry functions allows a local attacker to access unauthorized information. This relates to the enclave_ecall function and system call layer.
Affected products
- Fortanix Confidential Computing Manager: before 3.32 — fixed in 3.32
How to fix
Upgrade to a fixed version: Fortanix Confidential Computing Manager 3.32. Check the vendor advisory for mitigations.
References
- https://github.com/openenclave/openenclave/security/advisories/GHSA-v3vm-9h66-wm76
- https://jovanbulck.github.io/files/oakland24-pandora.pdf
- https://www.intel.com/content/www/us/en/developer/articles/technical/software-security-guidance/advisory-guidance/stale-data-read-from-xapic.html
- https://www.intel.com/content/www/us/en/developer/articles/technical/software-security-guidance/technical-documentation/processor-mmio-stale-data-vulnerabilities.html#inpage-nav-3-2-2
- https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00657.html
- https://github.com/openenclave/openenclave/security/advisories/GHSA-v3vm-9h66-wm76
- https://jovanbulck.github.io/files/oakland24-pandora.pdf
- https://www.intel.com/content/www/us/en/developer/articles/technical/software-security-guidance/advisory-guidance/stale-data-read-from-xapic.html
- https://www.intel.com/content/www/us/en/developer/articles/technical/software-security-guidance/technical-documentation/processor-mmio-stale-data-vulnerabilities.html#inpage-nav-3-2-2
- https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00657.html
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