Vulnerability Database

313,495

Total vulnerabilities in the database

CVE-2021-38578

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

  • Published: Mar 3, 2022
  • Updated: Nov 4, 2025
  • CVE: CVE-2021-38578
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 7.4
  • AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:L

CVSS v2:

  • Severity: High
  • Score: 7.5
  • AV:N/AC:L/Au:N/C:P/I:P/A:P

CWEs:

Software From Fixed in
tianocore / edk2 - 202202.x
insyde / kernel 5.0 5.0.x
insyde / kernel 5.2 5.2.x
insyde / kernel 5.3 5.3.x
insyde / kernel 5.4 5.4.x
insyde / kernel 5.5 5.5.x
insyde / kernel 5.1 5.1.x