High severity · published Feb 11, 2025
CVE-2023-31343
Improper input validation in the SMM handler may allow a privileged attacker to overwrite SMRAM, potentially leading to arbitrary code execution
7.5
CVSS
0.2%
EPSS
No
On KEV
Description
Improper input validation in the SMM handler may allow a privileged attacker to overwrite SMRAM, potentially leading to arbitrary code execution.
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
Attack vector
Local
Complexity
High
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 8% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AA
AA
AE
AMD EPYC™ 7003 Processors · AMD
All versions, or not specified · source: vendor
AE
AMD EPYC™ 9004 Processors · AMD
All versions, or not specified · source: vendor
AE
AMD EPYC™ Embedded 7003 · AMD
All versions, or not specified · source: vendor
AI
AMD Instinct™ MI300A · AMD
All versions, or not specified · source: vendor
AR
AMD Ryzen™ 3000 Series Desktop Processors · AMD
All versions, or not specified · source: vendor
AR
AMD Ryzen™ 3000 Series Mobile Processor with Radeon™ Graphics · AMD
All versions, or not specified · source: vendor
AR
AR
AR
AR
AMD Ryzen™ 5000 Series Desktop Processors · AMD
All versions, or not specified · source: vendor
Affected product
AA
AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics
AMD
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