CVE-2021-46757 (GCVE-0-2021-46757)

Vulnerability from cvelistv5 – Published: 2024-02-13 19:23 – Updated: 2025-05-07 21:08
VLAI
Summary
Insufficient checking of memory buffer in ASP Secure OS may allow an attacker with a malicious TA to read/write to the ASP Secure OS kernel virtual address space potentially leading to privilege escalation.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-02-14 15:34 UTC
CWE
  • CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer
Assigner
AMD CNA under the mitre root
CNA scorecard C 63/100 over 73 records in the last 180 days details
References
Impacted products
Date Public
2024-02-13 17:00
Show details on NVD website
To clipboard 

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            "orgId": "b58fc414-a1e4-4f92-9d70-1add41838648",
            "shortName": "AMD"
          },
          "references": [
            {
              "tags": [
                "vendor-advisory"
              ],
              "url": "https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-5001"
            }
          ],
          "source": {
            "advisory": "AMD-SB-5001",
            "discovery": "UNKNOWN"
          },
          "x_generator": {
            "engine": "Vulnogram 0.1.0-dev"
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      "cveMetadata": {
        "assignerOrgId": "b58fc414-a1e4-4f92-9d70-1add41838648",
        "assignerShortName": "AMD",
        "cveId": "CVE-2021-46757",
        "datePublished": "2024-02-13T19:23:57.918Z",
        "dateReserved": "2022-03-31T16:50:27.868Z",
        "dateUpdated": "2025-05-07T21:08:36.540Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



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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

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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.
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  • 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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    Related by attack behaviour

    Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.