{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ni40e: Fix use-after-free in i40e_client_subtask()\n\nCurrently the call to i40e_client_del_instance frees the object\npf->cinst, however pf->cinst->lan_info is being accessed after\nthe free. Fix this by adding the missing return.\n\nAddresses-Coverity: (\"Read from pointer after free\")"
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "drivers/net/ethernet/intel/i40e/i40e_client.c"
               ],
               "versions": [
                  {
                     "version": "7b0b1a6d0ac9",
                     "lessThan": "c1322eaeb8af",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "7b0b1a6d0ac9",
                     "lessThan": "d718c15a2bf9",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "7b0b1a6d0ac9",
                     "lessThan": "829a713450b8",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "7b0b1a6d0ac9",
                     "lessThan": "4ebc10aa7cd1",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "7b0b1a6d0ac9",
                     "lessThan": "1fd5d262e744",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "7b0b1a6d0ac9",
                     "lessThan": "38318f23a7ef",
                     "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/intel/i40e/i40e_client.c"
               ],
               "versions": [
                  {
                     "version": "4.16",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "4.16",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "4.19.191",
                     "lessThanOrEqual": "4.19.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.4.120",
                     "lessThanOrEqual": "5.4.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.10.38",
                     "lessThanOrEqual": "5.10.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.11.22",
                     "lessThanOrEqual": "5.11.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.12.5",
                     "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/c1322eaeb8af0d8985b5cc5fa759140fa0e57b84"
            },
            {
               "url": "https://git.kernel.org/stable/c/d718c15a2bf9ae082d5ae4d177fb19ef23cb4132"
            },
            {
               "url": "https://git.kernel.org/stable/c/829a713450b8fb127cbabfc1244c1d8179ec5107"
            },
            {
               "url": "https://git.kernel.org/stable/c/4ebc10aa7cd17fd9857dedac69600465c9dd16d1"
            },
            {
               "url": "https://git.kernel.org/stable/c/1fd5d262e7442192ac7611ff1597a36c5b044323"
            },
            {
               "url": "https://git.kernel.org/stable/c/38318f23a7ef86a8b1862e5e8078c4de121960c3"
            }
         ],
         "title": "i40e: Fix use-after-free in i40e_client_subtask()",
         "x_generator": {
            "engine": "bippy-a5840b7849dd"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2021-46991",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}