{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ni2c: validate user data in compat ioctl\n\nWrong user data may cause warning in i2c_transfer(), ex: zero msgs.\nUserspace should not be able to trigger warnings, so this patch adds\nvalidation checks for user data in compact ioctl to prevent reported\nwarnings"
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "drivers/i2c/i2c-dev.c"
               ],
               "versions": [
                  {
                     "version": "7d5cb45655f2",
                     "lessThan": "407c8708fb1b",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "7d5cb45655f2",
                     "lessThan": "9e4a3f47eff4",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "7d5cb45655f2",
                     "lessThan": "8d31cbab4c29",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "7d5cb45655f2",
                     "lessThan": "f68599581067",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "7d5cb45655f2",
                     "lessThan": "bb436283e25a",
                     "status": "affected",
                     "versionType": "git"
                  }
               ]
            },
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "affected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "drivers/i2c/i2c-dev.c"
               ],
               "versions": [
                  {
                     "version": "4.15",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "4.15",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "4.19.224",
                     "lessThanOrEqual": "4.19.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.4.170",
                     "lessThanOrEqual": "5.4.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.10.90",
                     "lessThanOrEqual": "5.10.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.15.13",
                     "lessThanOrEqual": "5.15.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.16",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/407c8708fb1bf2d4afc5337ef50635cf540c364b"
            },
            {
               "url": "https://git.kernel.org/stable/c/9e4a3f47eff476097e0c7faac04d1831fc70237d"
            },
            {
               "url": "https://git.kernel.org/stable/c/8d31cbab4c295d7010ebb729e9d02d0e9cece18f"
            },
            {
               "url": "https://git.kernel.org/stable/c/f68599581067e8a5a8901ba9eb270b4519690e26"
            },
            {
               "url": "https://git.kernel.org/stable/c/bb436283e25aaf1533ce061605d23a9564447bdf"
            }
         ],
         "title": "i2c: validate user data in compat ioctl",
         "x_generator": {
            "engine": "bippy-a5840b7849dd"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2021-46934",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}