UBUNTU-CVE-2021-38578
Critical
UBUNTU-CVE-2021-38578
Existing CommBuffer checks in SmmEntryPoint will not catch underflow when computing BufferSize.
Exploit probability
Not scored
Published
March 3, 2022
Required by
Not available
Last source change
February 4, 2026
02 / AFFECTED SOFTWARE
Affected packages
14 explicit affected versions
12 explicit affected versions
6 explicit affected versions
11 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
UBUNTU-CVE-2021-38578
View original source
Existing CommBuffer checks in SmmEntryPoint will not catch underflow when computing BufferSize.
05 / REFERENCES