CVE-2024-33656: The DXE module SmmComputrace contains a vulnerability that allows local attackers to leak stack or global memo

Q: How do I fix CVE-2024-33656?

aptio v: upgrade to newer than 5.36. Exact commands for each OS are on this page.

Q: Is CVE-2024-33656 being exploited?

CVE-2024-33656 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-2024-33656 affect?

CVE-2024-33656 affects aptio v. Severity is high (CVSS 7.8). The DXE module SmmComputrace contains a vulnerability that allows local attackers to leak stack or global memory. This could lead to privilege escalation, arbitrary code execution, and bypassing OS security mechanisms

Routine

HIGH 7.8UPGRADE

CVE-2024-33656 is a high-severity flaw (CVSS 7.8) affecting aptio v. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The DXE module SmmComputrace contains a vulnerability that allows local attackers to leak stack or global memory. This could lead to privilege escalation, arbitrary code execution, and bypassing OS security mechanisms

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.2% (top 95%)
CISA exploited list	No
Weakness	CWE-269
Published	2024-08-21
Last modified	2026-06-17

Publisher (CNA): AMI · Vendor: ami

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

Am I affected?

Timeline

2024-08-21 17:15 UTCPublished CVE record published
2026-06-17 07:32 UTCUpdated Record last modified

ami aptio v UPGRADE

Affected: >= 5.0 and <= 5.36

Fixed in: newer than 5.36

Safe to downgrade to: a release before 5.0

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

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-2024-33656?

aptio v: upgrade to newer than 5.36. Exact commands for each OS are on this page.

Is CVE-2024-33656 being exploited?

CVE-2024-33656 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-2024-33656 affect?

CVE-2024-33656 affects aptio v. Severity is high (CVSS 7.8). The DXE module SmmComputrace contains a vulnerability that allows local attackers to leak stack or global memory. This could lead to privilege escalation, arbitrary code execution, and bypassing OS security mechanisms

How urgent is CVE-2024-33656?

Priority 29/100. High severity

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References

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