vulnerability

Alma Linux: CVE-2021-38578: Important: edk2 security, bug fix, and enhancement update (ALSA-2023-2165)

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
Mar 3, 2022
Added
May 15, 2023
Modified
Apr 17, 2026

Description

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

Solutions

alma-upgrade-edk2-aarch64alma-upgrade-edk2-ovmfalma-upgrade-edk2-toolsalma-upgrade-edk2-tools-doc
Title
Rapid7 Labs

2026 Global Threat Landscape Report

The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.