Vulnerability-Lookup

GHSA-47J8-Q43R-W9MG

Vulnerability from github – Published: 2026-10-06 09:31 – Updated: 2026-10-06 09:31

Details

In the Linux kernel, the following vulnerability has been resolved:

Input: cyttsp5 - clamp the HID report size before memcpy

The size field comes from the device and is used as the memcpy() length into response_buf, which is CY_MAX_INPUT bytes.

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{
  "affected": [],
  "aliases": [
    "CVE-2026-98206"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-10-06T09:18:06Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nInput: cyttsp5 - clamp the HID report size before memcpy\n\nThe size field comes from the device and is used as the memcpy()\nlength into response_buf, which is CY_MAX_INPUT bytes.",
  "id": "GHSA-47j8-q43r-w9mg",
  "modified": "2026-10-06T09:31:30Z",
  "published": "2026-10-06T09:31:30Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-98206"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/495955feb57750de4a641da13d7e51fb4d0a9764"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/85f080fb87ed5cd3e46121be677f52c82f26a0ab"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9eb261092d4c967679fa351b7190c6d9082b07c5"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b172c69e67bc71f71f6e3d8b3258b3dec29e42c6"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d41a80d852f2948c6d388c520e76c0a72897f003"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2026-98206 (GCVE-0-2026-98206)

Vulnerability from cvelistv5 – Published: 2026-10-06 08:44 – Updated: 2026-10-06 08:44

Title

Input: cyttsp5 - clamp the HID report size before memcpy

Summary

In the Linux kernel, the following vulnerability has been resolved: Input: cyttsp5 - clamp the HID report size before memcpy The size field comes from the device and is used as the memcpy() length into response_buf, which is CY_MAX_INPUT bytes.

Severity

No CVSS data available.

Assigner

Linux CNA under the mitre root

CNA scorecard D 53/100 over 6664 records in the last 180 days details

References

5 references

URL	Tags
https://git.kernel.org/stable/c/b172c69e67bc71f71…
https://git.kernel.org/stable/c/d41a80d852f2948c6…
https://git.kernel.org/stable/c/9eb261092d4c96767…
https://git.kernel.org/stable/c/495955feb57750de4…
https://git.kernel.org/stable/c/85f080fb87ed5cd3e…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 5b0c03e24a061f9c9e8b28fa157b80990c559a37 , < b172c69e67bc71f71f6e3d8b3258b3dec29e42c6 (git) Affected: 5b0c03e24a061f9c9e8b28fa157b80990c559a37 , < d41a80d852f2948c6d388c520e76c0a72897f003 (git) Affected: 5b0c03e24a061f9c9e8b28fa157b80990c559a37 , < 9eb261092d4c967679fa351b7190c6d9082b07c5 (git) Affected: 5b0c03e24a061f9c9e8b28fa157b80990c559a37 , < 495955feb57750de4a641da13d7e51fb4d0a9764 (git) Affected: 5b0c03e24a061f9c9e8b28fa157b80990c559a37 , < 85f080fb87ed5cd3e46121be677f52c82f26a0ab (git)
Linux	Linux	Affected: 6.2 Unaffected: 0 , < 6.2 (semver) Unaffected: 6.6.158 , ≤ 6.6.* (semver) Unaffected: 6.12.112 , ≤ 6.12.* (semver) Unaffected: 6.18.54 , ≤ 6.18.* (semver) Unaffected: 7.2.8 , ≤ 7.2.* (semver) Unaffected: 7.3-rc4 , ≤ * (original_commit_for_fix)

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/input/touchscreen/cyttsp5.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "b172c69e67bc71f71f6e3d8b3258b3dec29e42c6",
              "status": "affected",
              "version": "5b0c03e24a061f9c9e8b28fa157b80990c559a37",
              "versionType": "git"
            },
            {
              "lessThan": "d41a80d852f2948c6d388c520e76c0a72897f003",
              "status": "affected",
              "version": "5b0c03e24a061f9c9e8b28fa157b80990c559a37",
              "versionType": "git"
            },
            {
              "lessThan": "9eb261092d4c967679fa351b7190c6d9082b07c5",
              "status": "affected",
              "version": "5b0c03e24a061f9c9e8b28fa157b80990c559a37",
              "versionType": "git"
            },
            {
              "lessThan": "495955feb57750de4a641da13d7e51fb4d0a9764",
              "status": "affected",
              "version": "5b0c03e24a061f9c9e8b28fa157b80990c559a37",
              "versionType": "git"
            },
            {
              "lessThan": "85f080fb87ed5cd3e46121be677f52c82f26a0ab",
              "status": "affected",
              "version": "5b0c03e24a061f9c9e8b28fa157b80990c559a37",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
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          "programFiles": [
            "drivers/input/touchscreen/cyttsp5.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.2"
            },
            {
              "lessThan": "6.2",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.158",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.112",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.54",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.2.*",
              "status": "unaffected",
              "version": "7.2.8",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.3-rc4",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.158",
                  "versionStartIncluding": "6.2",
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                },
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                  "versionStartIncluding": "6.2",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                }
              ],
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      "descriptions": [
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nInput: cyttsp5 - clamp the HID report size before memcpy\n\nThe size field comes from the device and is used as the memcpy()\nlength into response_buf, which is CY_MAX_INPUT bytes."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-06T08:44:43.399Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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        },
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          "url": "https://git.kernel.org/stable/c/d41a80d852f2948c6d388c520e76c0a72897f003"
        },
        {
          "url": "https://git.kernel.org/stable/c/9eb261092d4c967679fa351b7190c6d9082b07c5"
        },
        {
          "url": "https://git.kernel.org/stable/c/495955feb57750de4a641da13d7e51fb4d0a9764"
        },
        {
          "url": "https://git.kernel.org/stable/c/85f080fb87ed5cd3e46121be677f52c82f26a0ab"
        }
      ],
      "title": "Input: cyttsp5 - clamp the HID report size before memcpy",
      "x_generator": {
        "engine": "bippy-1.2.0"
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  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-98206",
    "datePublished": "2026-10-06T08:44:43.399Z",
    "dateReserved": "2026-09-25T10:25:14.325Z",
    "dateUpdated": "2026-10-06T08:44:43.399Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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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