{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: dsa: fix a crash if ->get_sset_count() fails\n\nIf ds->ops->get_sset_count() fails then it \"count\" is a negative error\ncode such as -EOPNOTSUPP.  Because \"i\" is an unsigned int, the negative\nerror code is type promoted to a very high value and the loop will\ncorrupt memory until the system crashes.\n\nFix this by checking for error codes and changing the type of \"i\" to\njust int."
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "net/dsa/master.c"
               ],
               "versions": [
                  {
                     "version": "badf3ada60ab",
                     "lessThan": "0f2cb08c57ed",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "badf3ada60ab",
                     "lessThan": "ce5355f140a7",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "badf3ada60ab",
                     "lessThan": "caff86f85512",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "badf3ada60ab",
                     "lessThan": "7b22466648a4",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "badf3ada60ab",
                     "lessThan": "a269333fa5c0",
                     "status": "affected",
                     "versionType": "git"
                  }
               ]
            },
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "affected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "net/dsa/master.c"
               ],
               "versions": [
                  {
                     "version": "4.7",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "4.7",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "4.19.193",
                     "lessThanOrEqual": "4.19.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.4.124",
                     "lessThanOrEqual": "5.4.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.10.42",
                     "lessThanOrEqual": "5.10.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.12.9",
                     "lessThanOrEqual": "5.12.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.13",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/0f2cb08c57edefb0e7b5045e0e3e9980a3d3aa37"
            },
            {
               "url": "https://git.kernel.org/stable/c/ce5355f140a7987011388c7e30c4f8fbe180d3e8"
            },
            {
               "url": "https://git.kernel.org/stable/c/caff86f85512b8e0d9830e8b8b0dfe13c68ce5b6"
            },
            {
               "url": "https://git.kernel.org/stable/c/7b22466648a4f8e3e94f57ca428d1531866d1373"
            },
            {
               "url": "https://git.kernel.org/stable/c/a269333fa5c0c8e53c92b5a28a6076a28cde3e83"
            }
         ],
         "title": "net: dsa: fix a crash if ->get_sset_count() fails",
         "x_generator": {
            "engine": "bippy-a5840b7849dd"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2021-47159",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}