CVE-2021-26381
CVE-2021-26381
Vexday Risk Score
21Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 7.1EPSS 0.1%KEV nãoPoC —Nuclei —Metasploit —Patch —
Lifecycle
10 Feb 2026Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
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:4.0/AV:L/AC:H/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Affected products
AMD · AMD Athlon™ 3000 Series Mobile Processors with Radeon™ GraphicsAMD · AMD Radeon™ PRO V520AMD · AMD Radeon™ PRO V620AMD · AMD Radeon™ PRO W5000 Series Graphics ProductsAMD · AMD Radeon™ PRO W6000 Series Graphics ProductsAMD · AMD Radeon™ RX 5000 Series Graphics ProductsAMD · AMD Radeon™ RX 6000 Series Graphics ProductsAMD · AMD Ryzen™ 3000 Series Desktop ProcessorsAMD · AMD Ryzen™ 4000 Series Desktop ProcessorsAMD · AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ GraphicsAMD · AMD Ryzen™ 5000 Series Desktop ProcessorsAMD · AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ GraphicsAMD · AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ GraphicsAMD · AMD Ryzen™ Embedded 5000 Series ProcessorsAMD · AMD Ryzen™ Embedded R1000 Series ProcessorsAMD · AMD Ryzen™ Embedded R2000 Series ProcessorsAMD · AMD Ryzen™ Embedded V1000 Series Processors (formerly codenamed "Picasso")AMD · AMD Ryzen™ Embedded V1000 Series Processors (formerly codenamed "Raven Ridge")AMD · AMD Ryzen™ Embedded V2000 Series ProcessorsAMD · AMD Ryzen™ Embedded V3000 Series ProcessorsAMD · AMD Ryzen™ Threadripper™ PRO 3000 WX-Series ProcessorsAMD · AMD Ryzen™ Threadripper™ PRO 5000 WX-Series ProcessorsWant to know if your infrastructure is exposed to this?
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