CVE-2021-38578

Public on 2022-03-03
Modified on 2024-11-22
Description
Existing CommBuffer checks in SmmEntryPoint will not catch underflow when computing BufferSize.
Severity
Medium severity
Medium
See what this means
CVSS v3 Base Score
7.4
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 2 - Core edk2 2024-12-05 ALAS2-2024-2722 Fixed

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 7.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:L

References

FAQs regarding Amazon Linux ALAS/CVE Severity Red Hat: CVE-2021-38578 Mitre: CVE-2021-38578