Vulnerability-Lookup

GHSA-F7R3-CVV6-8252

Vulnerability from github – Published: 2026-09-17 18:32 – Updated: 2026-09-17 18:32

Details

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

scsi: ufs: core: Validate connected lane counts

The connected lane count is used by TX equalization code to index arrays sized by UFS_MAX_LANES. Reject zero and out-of-range RX or TX lane counts before they can be propagated.

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{
  "affected": [],
  "aliases": [
    "CVE-2026-92478"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-17T17:17:49Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: ufs: core: Validate connected lane counts\n\nThe connected lane count is used by TX equalization code to index arrays\nsized by UFS_MAX_LANES. Reject zero and out-of-range RX or TX lane counts\nbefore they can be propagated.",
  "id": "GHSA-f7r3-cvv6-8252",
  "modified": "2026-09-17T18:32:05Z",
  "published": "2026-09-17T18:32:05Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-92478"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4b62f73836f4d037c9afd20c4c6084e4d44b3a57"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9e6dd452f1affb5c412ca64bf5809ce9fde3174d"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2026-92478 (GCVE-0-2026-92478)

Vulnerability from cvelistv5 – Published: 2026-09-17 16:09 – Updated: 2026-09-17 16:09

Title

scsi: ufs: core: Validate connected lane counts

Summary

In the Linux kernel, the following vulnerability has been resolved: scsi: ufs: core: Validate connected lane counts The connected lane count is used by TX equalization code to index arrays sized by UFS_MAX_LANES. Reject zero and out-of-range RX or TX lane counts before they can be propagated.

Severity

No CVSS data available.

Assigner

Linux mitre root Scorecard

References

2 references

URL	Tags
https://git.kernel.org/stable/c/4b62f73836f4d037c…
https://git.kernel.org/stable/c/9e6dd452f1affb5c4…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 03e5d38e2f985d8d0b0a60508c0b422f664808e3 , < 4b62f73836f4d037c9afd20c4c6084e4d44b3a57 (git) Affected: 03e5d38e2f985d8d0b0a60508c0b422f664808e3 , < 9e6dd452f1affb5c412ca64bf5809ce9fde3174d (git)
Linux	Linux	Affected: 7.1 Unaffected: 0 , < 7.1 (semver) Unaffected: 7.2.6 , ≤ 7.2.* (semver) Unaffected: 7.3-rc1 , ≤ * (original_commit_for_fix)

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/ufs/core/ufshcd.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "4b62f73836f4d037c9afd20c4c6084e4d44b3a57",
              "status": "affected",
              "version": "03e5d38e2f985d8d0b0a60508c0b422f664808e3",
              "versionType": "git"
            },
            {
              "lessThan": "9e6dd452f1affb5c412ca64bf5809ce9fde3174d",
              "status": "affected",
              "version": "03e5d38e2f985d8d0b0a60508c0b422f664808e3",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/ufs/core/ufshcd.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "7.1"
            },
            {
              "lessThan": "7.1",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.2.*",
              "status": "unaffected",
              "version": "7.2.6",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.3-rc1",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.2.6",
                  "versionStartIncluding": "7.1",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.3-rc1",
                  "versionStartIncluding": "7.1",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: ufs: core: Validate connected lane counts\n\nThe connected lane count is used by TX equalization code to index arrays\nsized by UFS_MAX_LANES. Reject zero and out-of-range RX or TX lane counts\nbefore they can be propagated."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-17T16:09:56.397Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/4b62f73836f4d037c9afd20c4c6084e4d44b3a57"
        },
        {
          "url": "https://git.kernel.org/stable/c/9e6dd452f1affb5c412ca64bf5809ce9fde3174d"
        }
      ],
      "title": "scsi: ufs: core: Validate connected lane counts",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-92478",
    "datePublished": "2026-09-17T16:09:56.397Z",
    "dateReserved": "2026-09-16T12:21:13.870Z",
    "dateUpdated": "2026-09-17T16:09:56.397Z",
    "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.

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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GHSA-F7R3-CVV6-8252

CVE-2026-92478 (GCVE-0-2026-92478)

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