CVE-2021-46772 (GCVE-0-2021-46772)

Vulnerability from cvelistv5 – Published: 2024-08-13 16:50 – Updated: 2024-11-05 21:18
VLAI?
Summary
Insufficient input validation in the ABL may allow a privileged attacker with access to the BIOS menu or UEFI shell to tamper with the structure headers in SPI ROM causing an out of bounds memory read and write, potentially resulting in memory corruption or denial of service.
CWE
Assigner
AMD
Impacted products
Vendor Product Version
AMD AMD EPYC™ 7002 Series Processors Unaffected: RomePI 1.0.0.E (PI)
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    AMD AMD EPYC™ 7003 Series Processors Unaffected: MilanPI 1.0.0.9
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    AMD AMD Ryzen™ 3000 Series Desktop Processors Affected: various
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    AMD AMD Ryzen™ 5000 Series Desktop Processors Unaffected: ComboAM4V2 1.2.0.A
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    AMD AMD Ryzen™ 5000 Series Desktop Processor with Radeon™ Graphics Affected: ComboAM4V2 1.2.0.A
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    AMD AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics Affected: various
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    AMD AMD Ryzen™ 4000 Series Desktop Processors with Radeon™ Graphics Affected: various
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    AMD AMD Ryzen™ Threadripper™ 3000 Series Processors Affected: various
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    AMD AMD Ryzen™ Threadripper™ PRO 3000WX Series Processors Unaffected: ChagallWSPI-sWRX8 1.0.0.6
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    AMD AMD Ryzen™ Threadripper™ PRO 5000WX Processors Unaffected: ChagallWSPI-sWRX8 1.0.0.6
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    AMD AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics Affected: various
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    AMD AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics Affected: various
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    AMD AMD Ryzen™ 3000 Series Mobile Processor with Radeon™ Graphics Affected: various
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    AMD AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics Affected: various
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    AMD AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics Affected: various
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    AMD AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics Unaffected: CezannePI-FP6 1.0.0.E
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    AMD AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics Unaffected: MendocinoPI-FT6 1.0.0.3
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    AMD AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics Unaffected: RembrandtPI-FP7 1.0.0.7
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    AMD AMD Ryzen™ 7035 Series Processors with Radeon™ Graphics Unaffected: RembrandtPI-FP7 1.0.0.7
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    AMD AMD Ryzen™ 5000 Series Processors with Radeon™ Graphics Unaffected: CezannePI-FP6 1.0.0.E
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    AMD AMD Ryzen™ 3000 Series Processors with Radeon™ Graphics Unaffected: CezannePI-FP6 1.0.0.E
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    AMD AMD EPYC™ Embedded 7002 Series Processors Unaffected: EmbRomePI-SP3 1.0.0.8
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    AMD AMD EPYC™ Embedded 7003 Series Processors Unaffected: EmbMilanPI-SP3 1.0.0.5
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    AMD AMD Ryzen™ Embedded R1000 Series Processors Affected: various
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    AMD AMD Ryzen™ Embedded R2000 Series Processors Affected: various
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    AMD AMD Ryzen™ Embedded 5000 Series Processors Affected: various
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    AMD AMD Ryzen™ Embedded V1000 Series Processors Affected: various
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    AMD AMD Ryzen™ Embedded V2000 Series Processors Affected: various
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    AMD AMD Ryzen™ Embedded V3000 Series Processors Unaffected: EmbeddedPI-FP7r2 1.0.0.4
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Show details on NVD website

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      "cveMetadata": "{\"cveId\": \"CVE-2021-46772\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-11-05T21:18:50.631Z\", \"dateReserved\": \"2022-03-31T16:50:27.872Z\", \"assignerOrgId\": \"b58fc414-a1e4-4f92-9d70-1add41838648\", \"datePublished\": \"2024-08-13T16:50:54.016Z\", \"assignerShortName\": \"AMD\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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Sightings

Author Source Type Date

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.


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Detection rules are retrieved from Rulezet.

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