CVE-2024-21947

HIGH

System Management Mode - Memory Corruption

Title source: llm
STIX 2.1

Description

Improper input validation in the system management mode (SMM) could allow a privileged attacker to overwrite arbitrary memory potentially resulting in arbitrary code execution at the SMM level.

Scores

CVSS v3 7.5
EPSS 0.0001
EPSS Percentile 2.7%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-1220
Status published
Products (28)
AMD/AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics ComboAM4 1.0.0.B
AMD/AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics Picasso-FP5 1.0.1.1
AMD/AMD Ryzen™ 3000 Series Desktop Processors ComboAM4 1.0.0.B
AMD/AMD Ryzen™ 3000 Series Desktop Processors ComboAM4v2PI_1.2.0.CA
AMD/AMD Ryzen™ 3000 Series Mobile Processors with Radeon™ Graphics Picasso-FP5 1.0.1.1
AMD/AMD Ryzen™ 4000 Series Desktop Processors ComboAM4v2PI_1.2.0.CA
AMD/AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics Renoir-FP6 1.0.0.D
AMD/AMD Ryzen™ 5000 Series Desktop Processors ComboAM4v2PI_1.2.0.CA
AMD/AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ Graphics ComboAM4v2PI_1.2.0.CA
AMD/AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics CezannePI-FP6_1.0.1.0
... and 18 more
Published Sep 06, 2025
Tracked Since Feb 18, 2026