High 7.1Published Feb 10, 2026

CVE-2021-26381Improper system call parameter validation in the Trusted OS may allow a malicious driver to perform mapping or unmapping operations on a large number of pages, potentially resulting in kernel memory…

Updated under an hour ago (Oct 27, 2026, 8:25 PM ET)

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It affects AMD Ryzen™ Threadripper™ PRO 3000 WX-Series Processors and 21 other products. Add what you run to find out whether that includes you.

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Every CVE for AMD Ryzen™ Threadripper™ PRO 3000 WX-Series Processors

Exploited in the last 30 days

Improper system call parameter validation in the Trusted OS may allow a malicious driver to perform mapping or unmapping operations on a large number of pages, potentially resulting in kernel memory corruption.

CVSS: 7.1 HIGH (v4.0, CNA)CVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Weakness (CWE): CWE-770
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: AMD
NVD analysis: Deferred
Record last updated: Feb 26, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

AMD AMD Ryzen™ Threadripper™ PRO 3000 WX-Series Processors amd:ryzentm_threadrippertm_pro_3000_wx_series_processors (from the name)	ChagallWSPI-sWRX8 1.0.0.2/ CastlePeakWSPI-sWRX8 1.0.0.9 not affected	CNA record
AMD AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ Graphics amd:ryzentm_5000_series_desktop_processors_with_radeontm_graphics (from the name)	ComboAM4v2 PI 1.2.0.5 not affected	CNA record
AMD AMD Ryzen™ Threadripper™ PRO 5000 WX-Series Processors amd:ryzentm_threadrippertm_pro_5000_wx_series_processors (from the name)	ChagallWSPI-sWRX8 1.0.0.1 not affected	CNA record
AMD AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics amd:athlontm_3000_series_mobile_processors_with_radeontm_graphics (from the name)	PicassoPI-FP5 1.0.0.E not affected	CNA record
AMD AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics amd:ryzentm_5000_series_mobile_processors_with_radeontm_graphics (from the name)	CezannePI-FP6 1.0.0.8 not affected	CNA record
AMD AMD Ryzen™ 3000 Series Desktop Processors amd:ryzentm_3000_series_desktop_processors (from the name)	ComboAM4PI 1.0.0.9/ ComboAM4 V2 PI 1.2.0.8 not affected	CNA record
AMD AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics amd:ryzentm_4000_series_mobile_processors_with_radeontm_graphics (from the name)	RenoirPI-FP6 1.0.0.8 not affected	CNA record
AMD AMD Ryzen™ 4000 Series Desktop Processors amd:ryzentm_4000_series_desktop_processors (from the name)	ComboAM4v2 PI 1.2.0.5 not affected	CNA record
AMD AMD Ryzen™ 5000 Series Desktop Processors amd:ryzentm_5000_series_desktop_processors (from the name)	ComboAM4 V2 PI 1.2.0.8 not affected	CNA record
AMD AMD Ryzen™ Embedded R1000 Series Processors amd:ryzentm_embedded_r1000_series_processors (from the name)	EmbeddedPI-FP5 1.2.0.A not affected	CNA record
1–10 of 22

References

References

https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-6024.html
https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-4013.html

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.