{
   "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 memleak when more than 255 elements expired\n\nWhen more than 255 elements expired we're supposed to switch to a new gc\ncontainer structure.\n\nThis never happens: u8 type will wrap before reaching the boundary\nand nft_trans_gc_space() always returns true.\n\nThis means we recycle the initial gc container structure and\nlose track of the elements that came before.\n\nWhile at it, don't deref 'gc' after we've passed it to call_rcu."
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "include/net/netfilter/nf_tables.h",
                  "net/netfilter/nf_tables_api.c"
               ],
               "versions": [
                  {
                     "version": "8da1b048f9a5",
                     "lessThan": "7cf055b43756",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "bbdb3b65aa91",
                     "lessThan": "a995a68e8a3b",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "448be0774882",
                     "lessThan": "09c85f2d21ab",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "d19e8bf3ea41",
                     "lessThan": "ef99506eaf1d",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "ea3eb9f2192e",
                     "lessThan": "7e5d732e6902",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "5f68718b34a5",
                     "lessThan": "4aea243b6853",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "5f68718b34a5",
                     "lessThan": "cf5000a7787c",
                     "status": "affected",
                     "versionType": "git"
                  }
               ]
            },
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "affected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "include/net/netfilter/nf_tables.h",
                  "net/netfilter/nf_tables_api.c"
               ],
               "versions": [
                  {
                     "version": "6.5",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "6.5",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.5.6",
                     "lessThanOrEqual": "6.5.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.6",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/7cf055b43756b10aa2b851c927c940f5ed652125"
            },
            {
               "url": "https://git.kernel.org/stable/c/a995a68e8a3b48533e47c856865d109a1f1a9d01"
            },
            {
               "url": "https://git.kernel.org/stable/c/09c85f2d21ab6b5acba31a037985b13e8e6565b8"
            },
            {
               "url": "https://git.kernel.org/stable/c/ef99506eaf1dc31feff1adfcfd68bc5535a22171"
            },
            {
               "url": "https://git.kernel.org/stable/c/7e5d732e6902eb6a37b35480796838a145ae5f07"
            },
            {
               "url": "https://git.kernel.org/stable/c/4aea243b6853d06c1d160a9955b759189aa02b14"
            },
            {
               "url": "https://git.kernel.org/stable/c/cf5000a7787cbc10341091d37245a42c119d26c5"
            }
         ],
         "title": "netfilter: nf_tables: fix memleak when more than 255 elements expired",
         "x_generator": {
            "engine": "bippy-a5840b7849dd"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2023-52581",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}