CVE-2021-26381

CVE.org · Published

Record status: Published
Identifier year (not publication year): 2021
Source publication: Feb 10, 2026
Source updated: Feb 26, 2026
Imported by cveboard: Oct 24, 2026
Source snapshot: cve_2026-10-24_midnight_baseline · Oct 24, 2026

CNA source text (English)

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.

Scoped product and version facts

Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.

Exploitation unknown; this catalogue does not assess exploitation.

AMD Ryzen™ Threadripper™ PRO 3000 WX-Series Processors

Vendor: AMD
Product: AMD Ryzen™ Threadripper™ PRO 3000 WX-Series Processors
Platforms: Unknown
Default status: affected

AMD Ryzen™ Threadripper™ PRO 3000 WX-Series Processors · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
ChagallWSPI-sWRX8 1.0.0.2/ CastlePeakWSPI-sWRX8 1.0.0.9	`unaffected`	Unavailable	Unavailable	Unavailable	None listed

AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ Graphics

Vendor: AMD
Product: AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ Graphics
Platforms: Unknown
Default status: affected

AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ Graphics · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
ComboAM4v2 PI 1.2.0.5	`unaffected`	Unavailable	Unavailable	Unavailable	None listed

AMD Ryzen™ Threadripper™ PRO 5000 WX-Series Processors

Vendor: AMD
Product: AMD Ryzen™ Threadripper™ PRO 5000 WX-Series Processors
Platforms: Unknown
Default status: affected

AMD Ryzen™ Threadripper™ PRO 5000 WX-Series Processors · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
ChagallWSPI-sWRX8 1.0.0.1	`unaffected`	Unavailable	Unavailable	Unavailable	None listed

AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics

Vendor: AMD
Product: AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics
Platforms: Unknown
Default status: affected

AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
PicassoPI-FP5 1.0.0.E	`unaffected`	Unavailable	Unavailable	Unavailable	None listed

AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics

Vendor: AMD
Product: AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics
Platforms: Unknown
Default status: affected

AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
CezannePI-FP6 1.0.0.8	`unaffected`	Unavailable	Unavailable	Unavailable	None listed

AMD Ryzen™ 3000 Series Desktop Processors

Vendor: AMD
Product: AMD Ryzen™ 3000 Series Desktop Processors
Platforms: Unknown
Default status: affected

AMD Ryzen™ 3000 Series Desktop Processors · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
ComboAM4PI 1.0.0.9/ ComboAM4 V2 PI 1.2.0.8	`unaffected`	Unavailable	Unavailable	Unavailable	None listed

AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics

Vendor: AMD
Product: AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics
Platforms: Unknown
Default status: affected

AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
RenoirPI-FP6 1.0.0.8	`unaffected`	Unavailable	Unavailable	Unavailable	None listed

AMD Ryzen™ 4000 Series Desktop Processors

Vendor: AMD
Product: AMD Ryzen™ 4000 Series Desktop Processors
Platforms: Unknown
Default status: affected

AMD Ryzen™ 4000 Series Desktop Processors · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
ComboAM4v2 PI 1.2.0.5	`unaffected`	Unavailable	Unavailable	Unavailable	None listed

AMD Ryzen™ 5000 Series Desktop Processors

Vendor: AMD
Product: AMD Ryzen™ 5000 Series Desktop Processors
Platforms: Unknown
Default status: affected

AMD Ryzen™ 5000 Series Desktop Processors · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
ComboAM4 V2 PI 1.2.0.8	`unaffected`	Unavailable	Unavailable	Unavailable	None listed

AMD Ryzen™ Embedded R1000 Series Processors

Vendor: AMD
Product: AMD Ryzen™ Embedded R1000 Series Processors
Platforms: Unknown
Default status: affected

AMD Ryzen™ Embedded R1000 Series Processors · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
EmbeddedPI-FP5 1.2.0.A	`unaffected`	Unavailable	Unavailable	Unavailable	None listed

AMD Ryzen™ Embedded R2000 Series Processors

Vendor: AMD
Product: AMD Ryzen™ Embedded R2000 Series Processors
Platforms: Unknown
Default status: affected

AMD Ryzen™ Embedded R2000 Series Processors · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
EmbeddedR2KPI-FP5_1.0.0.2	`unaffected`	Unavailable	Unavailable	Unavailable	None listed

AMD Ryzen™ Embedded 5000 Series Processors

Vendor: AMD
Product: AMD Ryzen™ Embedded 5000 Series Processors
Platforms: Unknown
Default status: affected

AMD Ryzen™ Embedded 5000 Series Processors · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
EmbAM4PI 1.0.0.2	`unaffected`	Unavailable	Unavailable	Unavailable	None listed

AMD Ryzen™ Embedded V1000 Series Processors (formerly codenamed "Raven Ridge")

Vendor: AMD
Product: AMD Ryzen™ Embedded V1000 Series Processors (formerly codenamed "Raven Ridge")
Platforms: Unknown
Default status: affected

AMD Ryzen™ Embedded V1000 Series Processors (formerly codenamed "Raven Ridge") · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
EmbeddedPI-FP5 1.2.0.A	`unaffected`	Unavailable	Unavailable	Unavailable	None listed

AMD Ryzen™ Embedded V1000 Series Processors (formerly codenamed "Picasso")

Vendor: AMD
Product: AMD Ryzen™ Embedded V1000 Series Processors (formerly codenamed "Picasso")
Platforms: Unknown
Default status: affected

AMD Ryzen™ Embedded V1000 Series Processors (formerly codenamed "Picasso") · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
120A	`unaffected`	Unavailable	Unavailable	Unavailable	None listed

AMD Ryzen™ Embedded V2000 Series Processors

Vendor: AMD
Product: AMD Ryzen™ Embedded V2000 Series Processors
Platforms: Unknown
Default status: affected

AMD Ryzen™ Embedded V2000 Series Processors · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
EmbeddedPI-FP6_1.0.0.6	`unaffected`	Unavailable	Unavailable	Unavailable	None listed

AMD Ryzen™ Embedded V3000 Series Processors

Vendor: AMD
Product: AMD Ryzen™ Embedded V3000 Series Processors
Platforms: Unknown
Default status: affected

AMD Ryzen™ Embedded V3000 Series Processors · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
EmbeddedPI-FP7r2_0080	`unaffected`	Unavailable	Unavailable	Unavailable	None listed

AMD Radeon™ RX 5000 Series Graphics Products

Vendor: AMD
Product: AMD Radeon™ RX 5000 Series Graphics Products
Platforms: Unknown
Default status: affected

AMD Radeon™ RX 5000 Series Graphics Products · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
AMD Software: Adrenalin Edition 25.4.1 (24.30.31.08), AMD Software: PRO Edition 25.Q2(25.10.10)	`unaffected`	Unavailable	Unavailable	Unavailable	None listed

AMD Radeon™ PRO W5000 Series Graphics Products

Vendor: AMD
Product: AMD Radeon™ PRO W5000 Series Graphics Products
Platforms: Unknown
Default status: affected

AMD Radeon™ PRO W5000 Series Graphics Products · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
AMD Software: Adrenalin Edition 25.4.1 (24.30.31.08), AMD Software: PRO Edition 25.Q2(25.10.10)	`unaffected`	Unavailable	Unavailable	Unavailable	None listed

AMD Radeon™ PRO W6000 Series Graphics Products

Vendor: AMD
Product: AMD Radeon™ PRO W6000 Series Graphics Products
Platforms: Unknown
Default status: affected

AMD Radeon™ PRO W6000 Series Graphics Products · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
AMD Software: Adrenalin Edition 25.4.1 (24.30.31.08), AMD Software: PRO Edition 25.Q2(25.10.10)	`unaffected`	Unavailable	Unavailable	Unavailable	None listed

AMD Radeon™ RX 6000 Series Graphics Products

Vendor: AMD
Product: AMD Radeon™ RX 6000 Series Graphics Products
Platforms: Unknown
Default status: affected

AMD Radeon™ RX 6000 Series Graphics Products · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
AMD Software: Adrenalin Edition 25.4.1 (24.30.31.08), AMD Software: PRO Edition 25.Q2(25.10.10)	`unaffected`	Unavailable	Unavailable	Unavailable	None listed

AMD Radeon™ PRO V520

Vendor: AMD
Product: AMD Radeon™ PRO V520
Platforms: Unknown
Default status: affected

AMD Radeon™ PRO V520 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
Contact Your AMD Customer Engineering Represenatative	`unaffected`	Unavailable	Unavailable	Unavailable	None listed

AMD Radeon™ PRO V620

Vendor: AMD
Product: AMD Radeon™ PRO V620
Platforms: Unknown
Default status: affected

AMD Radeon™ PRO V620 · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
Contact Your AMD Customer Engineering Represenatative	`unaffected`	Unavailable	Unavailable	Unavailable	None listed