CVE-2021-38578
Critical
CVE-2021-38578
Existing CommBuffer checks in SmmEntryPoint will not catch underflow when computing BufferSize.
Exploit probability
1.0%
Published
March 3, 2022
Required by
Not available
Last source change
July 8, 2026
02 / AFFECTED SOFTWARE
Affected packages
19 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2021-38578
View original source
Existing CommBuffer checks in SmmEntryPoint will not catch underflow when computing BufferSize.
05 / REFERENCES