CVE-2023-38021: An issue was discovered in Fortanix EnclaveOS Confidential Computing Manager (CCM) Platform before 3.32 for In

Q: How do I fix CVE-2023-38021?

confidential computing manager: upgrade to 3.32. Exact commands for each OS are on this page.

Q: Is CVE-2023-38021 being exploited?

CVE-2023-38021 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2023-38021 affect?

CVE-2023-38021 affects confidential computing manager. Severity is medium (CVSS 5.5). 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.

Q: How urgent is CVE-2023-38021?

Priority 22/100. No elevated risk signals yet.

Routine

MEDIUM 5.5UPGRADE

CVE-2023-38021 is a medium-severity flaw (CVSS 5.5) affecting confidential computing manager. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	5.5 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.2% (top 90%)
CISA exploited list	No
Published	2023-12-30
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: fortanix

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-12-30 03:15 UTCPublished CVE record published
2026-06-17 06:09 UTCUpdated Record last modified

fortanix confidential computing manager UPGRADE

Affected: < 3.32

Fixed in: 3.32

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy confidential-computing-manager || rpm -q confidential-computing-manager || confidential-computing-manager --version

2. UPGRADE to 3.32 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade confidential-computing-manager

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade confidential-computing-manager

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-38021?

confidential computing manager: upgrade to 3.32. Exact commands for each OS are on this page.

Is CVE-2023-38021 being exploited?

CVE-2023-38021 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-38021 affect?

CVE-2023-38021 affects confidential computing manager. Severity is medium (CVSS 5.5). 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.

How urgent is CVE-2023-38021?

Priority 22/100. No elevated risk signals yet.

Software pages

Intel vulnerabilities

Related CVEs

CVE-2023-38022 MEDIUM 5.5 UPGRADE An issue was discovered in Fortanix EnclaveOS Confidential Computing Manager (CCM) Platform before 3.29 for In

References

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