Vulnerability in AMD Athlon™ 3000 Series Desktop Processors With Radeon™ Graphics
CVE-2021-26367
A malicious attacker in x86 can misconfigure the Trusted Memory Regions (TMRs), which may allow the attacker to set an arbitrary address range for the TMR, potentially leading to a loss of integrity and availability.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.7 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:H.
EPSS exploit prediction
EPSS: 0.002 (4.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 4.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- AMD Athlon™ 3000 Series Desktop Processors With Radeon™ Graphics — versions ComboAM4PI 1.0.0.9, ComboAM4v2 PI 1.2.0.8
- AMD Athlon™ 3000 Series Mobile Processors With Radeon™ Graphics — versions PicassoPI-FP5 1.0.0.E, PollockPI-FT5 1.0.0.4
- AMD Radeon™ Pro W6000 Series Graphics Cards — versions AMD Software: PRO Edition 23.Q4 (23.30.13.03)
- AMD Radeon™ Rx 6000 Series Graphics Cards — versions AMD Software: Adrenalin Edition 23.12.1 (23.30.13.01)
- AMD Ryzen™ 3000 Series Mobile Processor With Radeon™ Graphics — versions PicassoPI-FP5 1.0.0.E
- AMD Ryzen™ 3000 Series Processors With Radeon™ Graphics — versions CezannePI-FP6 1.0.0.6
- AMD Ryzen™ 4000 Series Desktop Processors With Radeon™ Graphics — versions ComboAM4v2 PI 1.2.0.5
- AMD Ryzen™ 4000 Series Mobile Processors With Radeon™ Graphics — versions RenoirPI-FP6 1.0.0.7
- AMD Ryzen™ 5000 Series Desktop Processor With Radeon™ Graphics — versions ComboAM4v2 PI 1.2.0.5
- AMD Ryzen™ 5000 Series Mobile Processors With Radeon™ Graphics — versions CezannePI-FP6 1.0.0.6
References
- www.amd.com/en/resources/product-security/bulletin/amd-sb-4004.html (Vendor Advisory)
- www.amd.com/en/resources/product-security/bulletin/amd-sb-6005.html (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-26367?
- CVE-2021-26367 is a medium-severity vulnerability in AMD Athlon™ 3000 Series Desktop Processors With Radeon™ Graphics. CVSS score: 5.7/10. Published 2024-08-13.
- How severe is CVE-2021-26367?
- Medium severity. CVSS v3 base score is 5.7 out of 10.