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CVE-2022-23821

Published: Nov 14, 2023Updated: Nov 21, 2024 Sources: CVE List NVD BDUNVD-CWE-Other
NVD MITRE
9.8CVSSCRITICAL
EPSS Score
1.0%
Top 42.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

Improper access control in System Management Mode (SMM) may allow an attacker to write to SPI ROM potentially leading to arbitrary code execution.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

NVD-CWE-Other

Affected Products

Ryzen™ 3000 Series Desktop Processors “Matisse”AMDHardware Firmware
Ryzen™ 5000 Series Desktop Processors “Vermeer”AMDHardware Firmware
Ryzen™ 5000 Series Desktop Processor with Radeon™ Graphics “Cezanne”AMDHardware Firmware
Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics “Picasso” AM4AMDHardware Firmware
Ryzen™ Threadripper™ 2000 Series Processors “Colfax”AMDHardware Firmware
amdcommercialUSHardware Firmwareaka advanced micro devices
and 153 more affected products View all →

Exploitability

Official Patch Available

References

https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4002
amd.com
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-5001
amd.com
https://redos.red-soft.ru/support/secure/uyazvimosti/uyazvimost-linux-firmware-cve-2022-23821/?sphrase_id=756843
redos.red-soft.ru
and 2 more references View all →

Timeline

Published
Nov 14, 2023
Last Updated
Nov 21, 2024

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