CVE-2026-90112 (GCVE-0-2026-90112)

Vulnerability from cvelistv5 – Published: 2026-09-17 16:06 – Updated: 2026-09-17 16:06
VLAI
Title
net: qlcnic: validate unified ROM sections before loading
Summary
In the Linux kernel, the following vulnerability has been resolved: net: qlcnic: validate unified ROM sections before loading The unified ROM parser reads directory, product, and data-descriptor fields from the firmware file. Existing validation forms table and data ends with unchecked additions and multiplications. Malformed values can wrap before they are compared with the firmware size. The parser also dereferences typed pointers at firmware-controlled offsets. Valid descriptor extents alone are insufficient for the consumers. The loader reads a fixed-size bootloader regardless of its declared size, the version parser assumes a 17-byte tail, and a partial final firmware word is read as a full u64. A truncated image can therefore make the driver read beyond the firmware allocation during validation or loading. Replace the pointer-returning parser with bounded range helpers. Validate table entry sizes, descriptor indices, section ranges, the fixed bootloader load length, and the version tail before exposing any section. Read all file fields with unaligned little-endian accessors and assemble a partial final word from only the bytes that remain. Apply the same range checks to the legacy image before reading its fixed fields.
Severity
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: af19b49152bdb68fda894183e88096d6d1aa5c3d , < b9efc177703a03312cc2f6e6a4bbd4595e8158a1 (git)
Affected: af19b49152bdb68fda894183e88096d6d1aa5c3d , < 4be733a450c86938c91f9c70a56802ef5069764c (git)
Affected: af19b49152bdb68fda894183e88096d6d1aa5c3d , < 684773c4d26f7f2211beb31fb90629216f8a61f5 (git)
Affected: af19b49152bdb68fda894183e88096d6d1aa5c3d , < 5e8076e4e4124dae75a3e080ddc20404700d7585 (git)
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Linux Linux Affected: 2.6.34
Unaffected: 0 , < 2.6.34 (semver)
Unaffected: 6.12.110 , ≤ 6.12.* (semver)
Unaffected: 6.18.52 , ≤ 6.18.* (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/net/ethernet/qlogic/qlcnic/qlcnic_init.c"
          ],
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              "operator": "OR"
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        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: qlcnic: validate unified ROM sections before loading\n\nThe unified ROM parser reads directory, product, and data-descriptor fields\nfrom the firmware file.  Existing validation forms table and data ends with\nunchecked additions and multiplications.  Malformed values can wrap before\nthey are compared with the firmware size.  The parser also dereferences\ntyped pointers at firmware-controlled offsets.\n\nValid descriptor extents alone are insufficient for the consumers.  The\nloader reads a fixed-size bootloader regardless of its declared size, the\nversion parser assumes a 17-byte tail, and a partial final firmware word is\nread as a full u64.  A truncated image can therefore make the driver read\nbeyond the firmware allocation during validation or loading.\n\nReplace the pointer-returning parser with bounded range helpers.  Validate\ntable entry sizes, descriptor indices, section ranges, the fixed\nbootloader load length, and the version tail before exposing any section.\nRead all file fields with unaligned little-endian accessors and assemble a\npartial final word from only the bytes that remain.  Apply the same range\nchecks to the legacy image before reading its fixed fields."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-17T16:06:19.419Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
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        },
        {
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        }
      ],
      "title": "net: qlcnic: validate unified ROM sections before loading",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-90112",
    "datePublished": "2026-09-17T16:06:19.419Z",
    "dateReserved": "2026-09-11T19:38:34.787Z",
    "dateUpdated": "2026-09-17T16:06:19.419Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
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      "date": "2026-09-25",
      "epss": "0.00209",
      "percentile": "0.09839"
    },
    "nvd": {
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                ],
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        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: qlcnic: validate unified ROM sections before loading\n\nThe unified ROM parser reads directory, product, and data-descriptor fields\nfrom the firmware file.  Existing validation forms table and data ends with\nunchecked additions and multiplications.  Malformed values can wrap before\nthey are compared with the firmware size.  The parser also dereferences\ntyped pointers at firmware-controlled offsets.\n\nValid descriptor extents alone are insufficient for the consumers.  The\nloader reads a fixed-size bootloader regardless of its declared size, the\nversion parser assumes a 17-byte tail, and a partial final firmware word is\nread as a full u64.  A truncated image can therefore make the driver read\nbeyond the firmware allocation during validation or loading.\n\nReplace the pointer-returning parser with bounded range helpers.  Validate\ntable entry sizes, descriptor indices, section ranges, the fixed\nbootloader load length, and the version tail before exposing any section.\nRead all file fields with unaligned little-endian accessors and assemble a\npartial final word from only the bytes that remain.  Apply the same range\nchecks to the legacy image before reading its fixed fields."
          }
        ],
        "id": "CVE-2026-90112",
        "lastModified": "2026-09-17T17:17:03.243",
        "metrics": {},
        "published": "2026-09-17T17:17:03.243",
        "references": [
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            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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        ],
        "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "vulnStatus": "Received"
      }
    }
  }
}



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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

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.



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.