Vulnerability in AMD Ryzen™ 5000 Series Processors With Radeon™ Graphics “Barcelo”
CVE-2022-23821
Improper access control in System Management Mode (SMM) may allow an attacker to write to SPI ROM potentially leading to arbitrary code execution.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.010 (61.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 62nd percentile — 61.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000
Affected products
- AMD Ryzen™ 5000 Series Processors With Radeon™ Graphics “Barcelo” — versions various
- AMD Ryzen™ 6000 Series Processors With Radeon™ Graphics "Rembrandt" — versions various
- AMD Ryzen™ 7030 Series Mobile Processors With Radeon™ Graphics “Barcelo-R” — versions various
- AMD Ryzen™ 7035 Series Processors With Radeon™ Graphics “Rembrandt-R” — versions various
- AMD Ryzen™ Embedded 5000 — versions various
- AMD Ryzen™ Embedded R1000 — versions various
- AMD Ryzen™ Embedded R2000 — versions various
- AMD Ryzen™ Embedded V1000 — versions various
- AMD Ryzen™ Embedded V2000 — versions various
- AMD Ryzen™ Embedded V3000 — versions various
References
- www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4002 (vendor-advisory, Third Party Advisory)
- www.amd.com/en/corporate/product-security/bulletin/AMD-SB-5001 (vendor-advisory)
Frequently asked questions
- What is CVE-2022-23821?
- CVE-2022-23821 is a critical-severity vulnerability in AMD Ryzen™ 5000 Series Processors With Radeon™ Graphics “Barcelo”. CVSS score: 9.8/10. Published 2023-11-14.
- How severe is CVE-2022-23821?
- Critical severity. CVSS v3 base score is 9.8 out of 10.