{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnfp: Fix memory leak in nfp_cpp_area_cache_add()\n\nIn line 800 (#1), nfp_cpp_area_alloc() allocates and initializes a\nCPP area structure. But in line 807 (#2), when the cache is allocated\nfailed, this CPP area structure is not freed, which will result in\nmemory leak.\n\nWe can fix it by freeing the CPP area when the cache is allocated\nfailed (#2).\n\n792 int nfp_cpp_area_cache_add(struct nfp_cpp *cpp, size_t size)\n793 {\n794 \tstruct nfp_cpp_area_cache *cache;\n795 \tstruct nfp_cpp_area *area;\n\n800\tarea = nfp_cpp_area_alloc(cpp, NFP_CPP_ID(7, NFP_CPP_ACTION_RW, 0),\n801 \t\t\t\t  0, size);\n\t// #1: allocates and initializes\n\n802 \tif (!area)\n803 \t\treturn -ENOMEM;\n\n805 \tcache = kzalloc(sizeof(*cache), GFP_KERNEL);\n806 \tif (!cache)\n807 \t\treturn -ENOMEM; // #2: missing free\n\n817\treturn 0;\n818 }"
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "drivers/net/ethernet/netronome/nfp/nfpcore/nfp_cppcore.c"
               ],
               "versions": [
                  {
                     "version": "4cb584e0ee7d",
                     "lessThan": "3e93abcdcec0",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "4cb584e0ee7d",
                     "lessThan": "eb51f639ef3f",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "4cb584e0ee7d",
                     "lessThan": "2e0e072e62fd",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "4cb584e0ee7d",
                     "lessThan": "484069b5de9d",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "4cb584e0ee7d",
                     "lessThan": "f707820c0923",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "4cb584e0ee7d",
                     "lessThan": "c56c96303e92",
                     "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/net/ethernet/netronome/nfp/nfpcore/nfp_cppcore.c"
               ],
               "versions": [
                  {
                     "version": "4.11",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "4.11",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "4.14.258",
                     "lessThanOrEqual": "4.14.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "4.19.221",
                     "lessThanOrEqual": "4.19.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.4.165",
                     "lessThanOrEqual": "5.4.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.10.85",
                     "lessThanOrEqual": "5.10.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.15.8",
                     "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/3e93abcdcec0436fbf0b6a88ae806902426895a2"
            },
            {
               "url": "https://git.kernel.org/stable/c/eb51f639ef3fd5498b7def290ed8681b6aadd9a7"
            },
            {
               "url": "https://git.kernel.org/stable/c/2e0e072e62fdaf7816220af08e05c020f0fcb77a"
            },
            {
               "url": "https://git.kernel.org/stable/c/484069b5de9d223cc1c64c6f80389a99cfef51f1"
            },
            {
               "url": "https://git.kernel.org/stable/c/f707820c09239d6f67699d9b2ff57863cc7905b0"
            },
            {
               "url": "https://git.kernel.org/stable/c/c56c96303e9289cc34716b1179597b6f470833de"
            }
         ],
         "title": "nfp: Fix memory leak in nfp_cpp_area_cache_add()",
         "x_generator": {
            "engine": "bippy-a5840b7849dd"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2021-47516",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}