CVE-2021-26380 (GCVE-0-2021-26380)

Vulnerability from cvelistv5 – Published: 2026-05-15 02:25 – Updated: 2026-05-15 13:21
VLAI
Summary
A compromised Trusted OS (TOS) driver could issue a malformed call that could potentially allow memory access outside the intended range resulting in loss of integrity.
Severity
1.8 (Low)
CVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-190 - Integer Overflow or Wraparound
Assigner
AMD
References
Impacted products
Vendor Product Version
AMD AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ Graphics Unaffected: ComboAM4v2 PI 1.2.0.5
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AMD AMD Ryzen™ Threadripper™ PRO 5000 WX-Series Processors Unaffected: ChagallWSPI-sWRX8 1.0.0.2
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AMD AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics Unaffected: CezannePI-FP6 1.0.0.6
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AMD AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics Unaffected: PicassoPI-FP5 1.0.0.E
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AMD AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics Unaffected: CezannePI-FP6 1.0.0.6
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AMD AMD Ryzen™ 3000 Series Desktop Processors Unaffected: ComboAM4PI 1.0.0.9/ ComboAM4 V2 PI 1.2.0.8
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AMD AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics Unaffected: ComboAM4v2 PI 1.2.0.8
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AMD AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics Unaffected: RenoirPI-FP6 1.0.0.7
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AMD AMD Ryzen™ 4000 Series Desktop Processors Unaffected: ComboAM4v2 PI 1.2.0.5
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AMD AMD Ryzen™ 5000 Series Desktop Processors Unaffected: ComboAM4 V2 PI 1.2.0.8
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AMD AMD Ryzen™ Embedded R1000 Series Processors Unaffected: EmbeddedPI-FP5_1.2.0.A
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AMD AMD Ryzen™ Embedded R2000 Series Processors Unaffected: EmbeddedR2KPI-FP5_1.0.0.2
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AMD AMD Ryzen™ Embedded 5000 Series Processors Unaffected: EmbAM4PI 1.0.0.2
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AMD AMD Ryzen™ Embedded V1000 Series Processors (formerly codenamed "Raven Ridge") Unaffected: EmbeddedPI-FP5_1.2.0.A
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AMD AMD Ryzen™ Embedded V1000 Series Processors (formerly codenamed "Picasso") Unaffected: 120A
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AMD AMD Ryzen™ Embedded V2000 Series Processors Unaffected: EmbeddedPI-FP6_1.0.0.6
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AMD AMD Ryzen™ Embedded V3000 Series Processors Unaffected: EmbeddedPI-FP7r2_0080
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AMD AMD Radeon™ RX 5000 Series Graphics Products Unaffected: AMD Software: Adrenalin Edition 25.10.2 (25.10.33.02 RDNA1/RDNA2)
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AMD AMD Radeon™ PRO W5000 Series Graphics Products Unaffected: AMD Software: PRO Edition 25.Q3.1 (25.10.32 RDNA)
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AMD AMD Radeon™ RX 6000 Series Graphics Products Unaffected: AMD Software: Adrenalin Edition 25.10.2 (25.10.33.02 RDNA1/RDNA2)
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AMD AMD Radeon™ RX Vega Series Graphics Cards Unaffected: AMD Software: Adrenalin Edition 25.8.1 (23.19.23.11 pre-RDNA)
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AMD AMD Radeon™ VII Unaffected: AMD Software: Adrenalin Edition 25.8.1 (23.19.23.11 pre-RDNA)
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AMD AMD Radeon™ PRO W6000 Series Graphics Products Unaffected: AMD Software: PRO Edition 25.Q3.1 (25.10.32 RDNA)
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AMD AMD Radeon™ PRO WX 8000/9000 Series Graphics Cards Unaffected: AMD Software: PRO Edition 25.Q3 (23.19.23.11 pre-RDNA)
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AMD AMD Radeon™ PRO VII Unaffected: AMD Software: PRO Edition 25.Q3 (23.19.23.11 pre-RDNA)
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AMD AMD Radeon™ Instinct™ MI25 Unaffected: Contact your AMD Customer Engineering representative
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AMD AMD Radeon™ PRO V520 Unaffected: Contact your AMD Customer Engineering representative
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AMD AMD Radeon™ PRO V620 Unaffected: Contact your AMD Customer Engineering representative
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Date Public
2026-05-15 02:24
Show details on NVD website
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\"NONE\", \"subAvailabilityImpact\": \"NONE\", \"exploitMaturity\": \"NOT_DEFINED\", \"Safety\": \"NOT_DEFINED\", \"Automatable\": \"NOT_DEFINED\", \"Recovery\": \"NOT_DEFINED\", \"valueDensity\": \"NOT_DEFINED\", \"vulnerabilityResponseEffort\": \"NOT_DEFINED\", \"providerUrgency\": \"NOT_DEFINED\", \"version\": \"4.0\", \"baseSeverity\": \"LOW\", \"baseScore\": 1.8, \"vectorString\": \"CVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N\"}}], \"source\": {\"discovery\": \"UNKNOWN\"}, \"x_generator\": {\"engine\": \"AMD PSIRT Automation 1.0\"}}, \"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2021-26380\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-05-15T13:21:27.869059Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-05-15T13:21:32.239Z\"}}]}",
      "cveMetadata": "{\"cveId\": \"CVE-2021-26380\", \"assignerOrgId\": \"b58fc414-a1e4-4f92-9d70-1add41838648\", \"state\": \"PUBLISHED\", \"assignerShortName\": \"AMD\", \"dateReserved\": \"2021-01-29T21:24:26.159Z\", \"datePublished\": \"2026-05-15T02:25:20.977Z\", \"dateUpdated\": \"2026-05-15T13:21:36.142Z\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.