Existing CommBuffer checks in SmmEntryPoint will not catch underflow when computing BufferSize.

Subscriptions

Vendors Products
Enterprise Linux Subscribe
Tianocore Subscribe

Tracking

Sign in to view the affected projects.

Advisories
Source ID Title
Debian DLA Debian DLA DLA-4207-1 edk2 security update
EUVD EUVD EUVD-2021-25020 Existing CommBuffer checks in SmmEntryPoint will not catch underflow when computing BufferSize.
Ubuntu USN Ubuntu USN USN-7060-1 EDK II vulnerabilities
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Mon, 03 Nov 2025 20:30:00 +0000

Type Values Removed Values Added
References

Wed, 23 Apr 2025 19:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


cve-icon MITRE

Status: PUBLISHED

Assigner: TianoCore

Published:

Updated: 2025-11-03T19:26:15.934Z

Reserved: 2021-08-11T00:00:00.000Z

Link: CVE-2021-38578

cve-icon Vulnrichment

Updated: 2025-11-03T19:26:15.934Z

cve-icon NVD

Status : Modified

Published: 2022-03-03T22:15:08.423

Modified: 2025-11-03T20:15:49.767

Link: CVE-2021-38578

cve-icon Redhat

Severity : Moderate

Publid Date: 2022-03-03T00:00:00Z

Links: CVE-2021-38578 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses