Vulnerability-Lookup

CVE-2026-87765 (GCVE-0-2026-87765)

Vulnerability from cvelistv5 – Published: 2026-10-12 01:28 – Updated: 2026-10-12 01:28

Title

Improper Input Validation in Kernel APsys DVFS

Summary

In the kernel apsys DVFS driver, there is a possible out-of-bounds read or hardware register corruption due to improper input validation of the frequency index. This could lead to system instability or denial of service with local privileges.

Severity

5.5 (Medium)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE

CWE-20

Assigner

Unisoc CNA under the mitre root

CNA scorecard D 52/100 over 18 records in the last 180 days details

References

1 reference

URL	Tags
https://www.unisoc.com/en/support/product-securit…

Impacted products

1 product

Vendor	Product	Version	CPE status
Unisoc (Shanghai) Technologies Co., Ltd.	kernel	Affected: T610 Affected: T618 Affected: T7200 Affected: T7225 Affected: T7250 Affected: T7255 Affected: T7280 Affected: T8100 Affected: T9100 Affected: T8200 Affected: T7300 Affected: T8300	guessed

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "kernel",
          "vendor": "Unisoc (Shanghai) Technologies Co., Ltd.",
          "versions": [
            {
              "status": "affected",
              "version": "T610"
            },
            {
              "status": "affected",
              "version": "T618"
            },
            {
              "status": "affected",
              "version": "T7200"
            },
            {
              "status": "affected",
              "version": "T7225"
            },
            {
              "status": "affected",
              "version": "T7250"
            },
            {
              "status": "affected",
              "version": "T7255"
            },
            {
              "status": "affected",
              "version": "T7280"
            },
            {
              "status": "affected",
              "version": "T8100"
            },
            {
              "status": "affected",
              "version": "T9100"
            },
            {
              "status": "affected",
              "version": "T8200"
            },
            {
              "status": "affected",
              "version": "T7300"
            },
            {
              "status": "affected",
              "version": "T8300"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the kernel apsys DVFS driver, there is a possible out-of-bounds read or hardware register corruption due to improper input validation of the frequency index. This could lead to system instability or denial of service with local privileges."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "format": "CVSS",
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              "lang": "en",
              "value": "GENERAL"
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      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-12T01:28:25.514Z",
        "orgId": "63f92e9c-2193-4c24-98a9-93640392c3d3",
        "shortName": "Unisoc"
      },
      "references": [
        {
          "url": "https://www.unisoc.com/en/support/product-security-bulletin/2109454821805424641"
        }
      ],
      "title": "Improper Input Validation in Kernel APsys DVFS"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "63f92e9c-2193-4c24-98a9-93640392c3d3",
    "assignerShortName": "Unisoc",
    "cveId": "CVE-2026-87765",
    "datePublished": "2026-10-12T01:28:25.514Z",
    "dateReserved": "2026-09-09T07:37:43.484Z",
    "dateUpdated": "2026-10-12T01:28:25.514Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-87765",
      "date": "2026-10-14",
      "epss": "0.00098",
      "percentile": "0.00728"
    },
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "defaultStatus": "unaffected",
                "product": "kernel",
                "vendor": "Unisoc (Shanghai) Technologies Co., Ltd.",
                "versions": [
                  {
                    "status": "affected",
                    "version": "T610"
                  },
                  {
                    "status": "affected",
                    "version": "T618"
                  },
                  {
                    "status": "affected",
                    "version": "T7200"
                  },
                  {
                    "status": "affected",
                    "version": "T7225"
                  },
                  {
                    "status": "affected",
                    "version": "T7250"
                  },
                  {
                    "status": "affected",
                    "version": "T7255"
                  },
                  {
                    "status": "affected",
                    "version": "T7280"
                  },
                  {
                    "status": "affected",
                    "version": "T8100"
                  },
                  {
                    "status": "affected",
                    "version": "T9100"
                  },
                  {
                    "status": "affected",
                    "version": "T8200"
                  },
                  {
                    "status": "affected",
                    "version": "T7300"
                  },
                  {
                    "status": "affected",
                    "version": "T8300"
                  }
                ]
              }
            ],
            "source": "security@unisoc.com"
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "In the kernel apsys DVFS driver, there is a possible out-of-bounds read or hardware register corruption due to improper input validation of the frequency index. This could lead to system instability or denial of service with local privileges."
          }
        ],
        "id": "CVE-2026-87765",
        "lastModified": "2026-10-12T02:16:57.727",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 5.5,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 1.8,
              "impactScore": 3.6,
              "source": "security@unisoc.com",
              "type": "Secondary"
            }
          ]
        },
        "published": "2026-10-12T02:16:57.727",
        "references": [
          {
            "source": "security@unisoc.com",
            "url": "https://www.unisoc.com/en/support/product-security-bulletin/2109454821805424641"
          }
        ],
        "sourceIdentifier": "security@unisoc.com",
        "vulnStatus": "Received",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-20"
              }
            ],
            "source": "security@unisoc.com",
            "type": "Primary"
          }
        ]
      }
    }
  }
}

FKIE_CVE-2026-87765

Vulnerability from fkie_nvd - Published: 2026-10-12 02:16 - Updated: 2026-10-12 02:16

Severity

5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Summary

References

	URL	Tags
	security@unisoc.com	https://www.unisoc.com/en/support/product-security-bulletin/2109454821805424641

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "kernel",
          "vendor": "Unisoc (Shanghai) Technologies Co., Ltd.",
          "versions": [
            {
              "status": "affected",
              "version": "T610"
            },
            {
              "status": "affected",
              "version": "T618"
            },
            {
              "status": "affected",
              "version": "T7200"
            },
            {
              "status": "affected",
              "version": "T7225"
            },
            {
              "status": "affected",
              "version": "T7250"
            },
            {
              "status": "affected",
              "version": "T7255"
            },
            {
              "status": "affected",
              "version": "T7280"
            },
            {
              "status": "affected",
              "version": "T8100"
            },
            {
              "status": "affected",
              "version": "T9100"
            },
            {
              "status": "affected",
              "version": "T8200"
            },
            {
              "status": "affected",
              "version": "T7300"
            },
            {
              "status": "affected",
              "version": "T8300"
            }
          ]
        }
      ],
      "source": "security@unisoc.com"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the kernel apsys DVFS driver, there is a possible out-of-bounds read or hardware register corruption due to improper input validation of the frequency index. This could lead to system instability or denial of service with local privileges."
    }
  ],
  "id": "CVE-2026-87765",
  "lastModified": "2026-10-12T02:16:57.727",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "security@unisoc.com",
        "type": "Secondary"
      }
    ]
  },
  "published": "2026-10-12T02:16:57.727",
  "references": [
    {
      "source": "security@unisoc.com",
      "url": "https://www.unisoc.com/en/support/product-security-bulletin/2109454821805424641"
    }
  ],
  "sourceIdentifier": "security@unisoc.com",
  "vulnStatus": "Received",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ],
      "source": "security@unisoc.com",
      "type": "Primary"
    }
  ]
}

GHSA-48HC-VG85-6Q45

Vulnerability from github – Published: 2026-10-12 03:32 – Updated: 2026-10-12 03:32

Details

Severity

5.5 (Medium)


                  
                    CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-87765"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-20"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-10-12T02:16:57Z",
    "severity": "MODERATE"
  },
  "details": "In the kernel apsys DVFS driver, there is a possible out-of-bounds read or hardware register corruption due to improper input validation of the frequency index. This could lead to system instability or denial of service with local privileges.",
  "id": "GHSA-48hc-vg85-6q45",
  "modified": "2026-10-12T03:32:55Z",
  "published": "2026-10-12T03:32:55Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-87765"
    },
    {
      "type": "WEB",
      "url": "https://www.unisoc.com/en/support/product-security-bulletin/2109454821805424641"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

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.

Vulnerability timeline

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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CVE-2026-87765 (GCVE-0-2026-87765)

FKIE_CVE-2026-87765

GHSA-48HC-VG85-6Q45

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