{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nf_tables: fix nft_counters_enabled underflow at nf_tables_addchain()\n\nsyzbot is reporting underflow of nft_counters_enabled counter at\nnf_tables_addchain() [1], for commit 43eb8949cfdffa76 (\"netfilter:\nnf_tables: do not leave chain stats enabled on error\") missed that\nnf_tables_chain_destroy() after nft_basechain_init() in the error path of\nnf_tables_addchain() decrements the counter because nft_basechain_init()\nmakes nft_is_base_chain() return true by setting NFT_CHAIN_BASE flag.\n\nIncrement the counter immediately after returning from\nnft_basechain_init()."
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "net/netfilter/nf_tables_api.c"
               ],
               "versions": [
                  {
                     "version": "c907dfe4eaca",
                     "lessThan": "710e3f526bd2",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "6d7ddee50395",
                     "lessThan": "91aa52652f4b",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "98a621ef45e3",
                     "lessThan": "8bcad2a93131",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "43eb8949cfdf",
                     "lessThan": "921ebde3c0d2",
                     "status": "affected",
                     "versionType": "git"
                  }
               ]
            },
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "net/netfilter/nf_tables_api.c"
               ],
               "versions": [
                  {
                     "version": "5.10.140",
                     "lessThan": "5.10.146",
                     "status": "affected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.15.64",
                     "lessThan": "5.15.71",
                     "status": "affected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.19.6",
                     "lessThan": "5.19.12",
                     "status": "affected",
                     "versionType": "custom"
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/710e3f526bd23a0d33435dedc52c3144de284378"
            },
            {
               "url": "https://git.kernel.org/stable/c/91aa52652f4b37089aff3cb53e83049d826fef6d"
            },
            {
               "url": "https://git.kernel.org/stable/c/8bcad2a931313aeba076b76922d5813ef97d0a91"
            },
            {
               "url": "https://git.kernel.org/stable/c/921ebde3c0d22c8cba74ce8eb3cc4626abff1ccd"
            }
         ],
         "title": "netfilter: nf_tables: fix nft_counters_enabled underflow at nf_tables_addchain()",
         "x_generator": {
            "engine": "bippy-a5840b7849dd"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2022-48643",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}