CVE-2021-26367

CVE.org · Published

Record status: Published
Identifier year (not publication year): 2021
Source publication: Aug 13, 2024
Source updated: Dec 4, 2024
Imported by cveboard: Oct 24, 2026
Source snapshot: cve_2026-10-24_midnight_baseline · Oct 24, 2026

CNA source text (English)

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.

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™ 5000 Series Desktop Processor with Radeon™ Graphics

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

AMD Ryzen™ 5000 Series Desktop Processor 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 Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics

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

AMD Athlon™ 3000 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)
ComboAM4PI 1.0.0.9	`unaffected`	Unavailable	Unavailable	Unavailable	None listed
ComboAM4v2 PI 1.2.0.8	`unaffected`	Unavailable	Unavailable	Unavailable	None listed

AMD Ryzen™ 4000 Series Desktop Processors with Radeon™ Graphics

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

AMD Ryzen™ 4000 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 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 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)
PollockPI-FT5 1.0.0.4	`unaffected`	Unavailable	Unavailable	Unavailable	None listed

AMD Ryzen™ 3000 Series Mobile Processor with Radeon™ Graphics

Vendor: AMD
Product: AMD Ryzen™ 3000 Series Mobile Processor with Radeon™ Graphics
Platforms: Unknown
Default status: unaffected

AMD Ryzen™ 3000 Series Mobile Processor 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™ 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 1.0.0.7	`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 1.0.0.6	`unaffected`	Unavailable	Unavailable	Unavailable	None listed

AMD Ryzen™ 5000 Series Processors with Radeon™ Graphics

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

AMD Ryzen™ 5000 Series 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 1.0.0.6	`unaffected`	Unavailable	Unavailable	Unavailable	None listed

AMD Ryzen™ 3000 Series Processors with Radeon™ Graphics

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

AMD Ryzen™ 3000 Series 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 1.0.0.6	`unaffected`	Unavailable	Unavailable	Unavailable	None listed

AMD Ryzen™ 5000 Series Processors with Radeon™ Graphics

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

AMD Ryzen™ 5000 Series 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 1.0.0.6	`unaffected`	Unavailable	Unavailable	Unavailable	None listed

AMD Ryzen™ 3000 Series Processors with Radeon™ Graphics

Vendor: AMD
Product: AMD Ryzen™ 3000 Series Processors with Radeon™ Graphics
Platforms: Unknown
Default status: unaffected

AMD Ryzen™ 3000 Series 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 1.0.0.6	`unaffected`	Unavailable	Unavailable	Unavailable	None listed

AMD Radeon™ RX 6000 Series Graphics Cards

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

AMD Radeon™ RX 6000 Series Graphics Cards · 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 23.12.1 (23.30.13.01)	`unaffected`	Unavailable	Unavailable	Unavailable	None listed

AMD Radeon™ PRO W6000 Series Graphics Cards

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

AMD Radeon™ PRO W6000 Series Graphics Cards · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
AMD Software: PRO Edition 23.Q4 (23.30.13.03)	`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 V1000 Series Processors

Vendor: AMD
Product: AMD Ryzen™ Embedded V1000 Series Processors
Platforms: Unknown
Default status: affected

AMD Ryzen™ Embedded V1000 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 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