CVE-2026-31549 (GCVE-0-2026-31549)
Vulnerability from cvelistv5
Published
2026-04-24 14:33
Modified
2026-04-24 14:33
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: i2c: cp2615: fix serial string NULL-deref at probe The cp2615 driver uses the USB device serial string as the i2c adapter name but does not make sure that the string exists. Verify that the device has a serial number before accessing it to avoid triggering a NULL-pointer dereference (e.g. with malicious devices).
Impacted products
Vendor Product Version
Linux Linux Version: 4a7695429eade517b07ea72f9ec366130e81a076
Version: 4a7695429eade517b07ea72f9ec366130e81a076
Version: 4a7695429eade517b07ea72f9ec366130e81a076
Version: 4a7695429eade517b07ea72f9ec366130e81a076
Version: 4a7695429eade517b07ea72f9ec366130e81a076
Version: 4a7695429eade517b07ea72f9ec366130e81a076
Version: 4a7695429eade517b07ea72f9ec366130e81a076
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/i2c/busses/i2c-cp2615.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "versionType": "git"
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          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/i2c/busses/i2c-cp2615.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.13"
            },
            {
              "lessThan": "5.13",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.203",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.167",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.130",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.78",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.20",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.19.*",
              "status": "unaffected",
              "version": "6.19.10",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.0",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.203",
                  "versionStartIncluding": "5.13",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.167",
                  "versionStartIncluding": "5.13",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.130",
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                  "vulnerable": true
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                {
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                  "versionEndExcluding": "6.12.78",
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                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.20",
                  "versionStartIncluding": "5.13",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ni2c: cp2615: fix serial string NULL-deref at probe\n\nThe cp2615 driver uses the USB device serial string as the i2c adapter\nname but does not make sure that the string exists.\n\nVerify that the device has a serial number before accessing it to avoid\ntriggering a NULL-pointer dereference (e.g. with malicious devices)."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-04-24T14:33:16.814Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/e68c267787778bcdf3d91b06f794faaba7f0d1d1"
        },
        {
          "url": "https://git.kernel.org/stable/c/4a22af879172336370ae3e81e7f65fb2f69472ee"
        },
        {
          "url": "https://git.kernel.org/stable/c/69aece634a7eebafd9a596e5494d52facf6f26ec"
        },
        {
          "url": "https://git.kernel.org/stable/c/13ccf9b106bba121728f1625c4375a1bd8f5c5a3"
        },
        {
          "url": "https://git.kernel.org/stable/c/a9778298f47036866ea15eeb17242e8a4612580f"
        },
        {
          "url": "https://git.kernel.org/stable/c/efe996bcfe50c2dcc6cf65c574285713b722ced7"
        },
        {
          "url": "https://git.kernel.org/stable/c/aa79f996eb41e95aed85a1bd7f56bcd6a3842008"
        }
      ],
      "title": "i2c: cp2615: fix serial string NULL-deref at probe",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-31549",
    "datePublished": "2026-04-24T14:33:16.814Z",
    "dateReserved": "2026-03-09T15:48:24.115Z",
    "dateUpdated": "2026-04-24T14:33:16.814Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
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