DEBIAN-CVE-2021-38578

See a problem?
Please try reporting it to the source first.
Source
https://security-tracker.debian.org/tracker/CVE-2021-38578
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-38578.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2021-38578
Upstream
Published
2022-03-03T22:15:08Z
Modified
2025-09-30T05:15:17.237622Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

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

References

Affected packages

Debian:11 / edk2

Package

Name
edk2
Purl
pkg:deb/debian/edk2?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2020.11-2+deb11u3

Affected versions

2020.*

2020.11-2
2020.11-2+deb11u1
2020.11-2+deb11u2

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:12 / edk2

Package

Name
edk2
Purl
pkg:deb/debian/edk2?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2022.11-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:13 / edk2

Package

Name
edk2
Purl
pkg:deb/debian/edk2?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2022.11-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:14 / edk2

Package

Name
edk2
Purl
pkg:deb/debian/edk2?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2022.11-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}