CVE-2026-43241 (GCVE-0-2026-43241)
Vulnerability from cvelistv5
Published
2026-05-06 11:28
Modified
2026-05-11 22:20
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: ntb: ntb_hw_switchtec: Fix array-index-out-of-bounds access Number of MW LUTs depends on NTB configuration and can be set to MAX_MWS, This patch protects against invalid index out of bounds access to mw_sizes When invalid access print message to user that configuration is not valid.
References
Impacted products
Vendor Product Version
Linux Linux Version: ec0467ccbdeb69a86c8729073057bda7bce00eec
Version: ec0467ccbdeb69a86c8729073057bda7bce00eec
Version: ec0467ccbdeb69a86c8729073057bda7bce00eec
Version: ec0467ccbdeb69a86c8729073057bda7bce00eec
Version: ec0467ccbdeb69a86c8729073057bda7bce00eec
Version: ec0467ccbdeb69a86c8729073057bda7bce00eec
Version: ec0467ccbdeb69a86c8729073057bda7bce00eec
Version: ec0467ccbdeb69a86c8729073057bda7bce00eec
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/ntb/hw/mscc/ntb_hw_switchtec.c"
          ],
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          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.15"
            },
            {
              "lessThan": "4.15",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.252",
              "versionType": "semver"
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            {
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              "status": "unaffected",
              "version": "5.15.202",
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              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.165",
              "versionType": "semver"
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              "status": "unaffected",
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              "versionType": "semver"
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              "status": "unaffected",
              "version": "6.12.75",
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              "status": "unaffected",
              "version": "6.18.16",
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            },
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              "status": "unaffected",
              "version": "6.19.6",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.0",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
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                  "versionStartIncluding": "4.15",
                  "vulnerable": true
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                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nntb: ntb_hw_switchtec: Fix array-index-out-of-bounds access\n\nNumber of MW LUTs depends on NTB configuration and can be set to MAX_MWS,\nThis patch protects against invalid index out of bounds access to mw_sizes\nWhen invalid access print message to user that configuration is not valid."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-11T22:20:44.266Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/348e1ac9ad983ed7e62de14e1daf47f1695a4ce9"
        },
        {
          "url": "https://git.kernel.org/stable/c/ee02c4f980c91820845dd8e469ec7dc670ab6d9d"
        },
        {
          "url": "https://git.kernel.org/stable/c/740945de896021b9a859e71f38f6aea72a6393cf"
        },
        {
          "url": "https://git.kernel.org/stable/c/85c9daa1f8319bbb3dfee71dc6a2f969cd3b4c92"
        },
        {
          "url": "https://git.kernel.org/stable/c/0e930420945106151c6eb3d7837b4e6154e9b144"
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        {
          "url": "https://git.kernel.org/stable/c/2346856b74823a2a78109002e479a3d02526a9ce"
        },
        {
          "url": "https://git.kernel.org/stable/c/47ce292dd45dc689747c40603222691638919189"
        },
        {
          "url": "https://git.kernel.org/stable/c/c8ba7ad2cc1c7b90570aa347b8ebbe279f1eface"
        }
      ],
      "title": "ntb: ntb_hw_switchtec: Fix array-index-out-of-bounds access",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-43241",
    "datePublished": "2026-05-06T11:28:34.927Z",
    "dateReserved": "2026-05-01T14:12:55.995Z",
    "dateUpdated": "2026-05-11T22:20:44.266Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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