{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nNFC: digital: fix possible memory leak in digital_in_send_sdd_req()\n\n'skb' is allocated in digital_in_send_sdd_req(), but not free when\ndigital_in_send_cmd() failed, which will cause memory leak. Fix it\nby freeing 'skb' if digital_in_send_cmd() return failed."
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "net/nfc/digital_technology.c"
               ],
               "versions": [
                  {
                     "version": "2c66daecc409",
                     "lessThan": "74569c78aa84",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "2c66daecc409",
                     "lessThan": "88c890b0b9a1",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "2c66daecc409",
                     "lessThan": "fcce6e525547",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "2c66daecc409",
                     "lessThan": "071bdef36391",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "2c66daecc409",
                     "lessThan": "2bde4aca56db",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "2c66daecc409",
                     "lessThan": "50cb95487c26",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "2c66daecc409",
                     "lessThan": "6432d7f1d1c3",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "2c66daecc409",
                     "lessThan": "291c932fc369",
                     "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/nfc/digital_technology.c"
               ],
               "versions": [
                  {
                     "version": "3.13",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "3.13",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "4.4.290",
                     "lessThanOrEqual": "4.4.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "4.9.288",
                     "lessThanOrEqual": "4.9.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "4.14.252",
                     "lessThanOrEqual": "4.14.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "4.19.213",
                     "lessThanOrEqual": "4.19.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.4.155",
                     "lessThanOrEqual": "5.4.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.10.75",
                     "lessThanOrEqual": "5.10.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.14.14",
                     "lessThanOrEqual": "5.14.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.15",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/74569c78aa84f8c958f1334b465bc530906ec99a"
            },
            {
               "url": "https://git.kernel.org/stable/c/88c890b0b9a1fb9fcd01c61ada515e8b636c34f9"
            },
            {
               "url": "https://git.kernel.org/stable/c/fcce6e5255474ca33c27dda0cdf9bf5087278873"
            },
            {
               "url": "https://git.kernel.org/stable/c/071bdef36391958c89af5fa2172f691b31baa212"
            },
            {
               "url": "https://git.kernel.org/stable/c/2bde4aca56db9fe25405d39ddb062531493a65db"
            },
            {
               "url": "https://git.kernel.org/stable/c/50cb95487c265187289810addec5093d4fed8329"
            },
            {
               "url": "https://git.kernel.org/stable/c/6432d7f1d1c3aa74cfe8f5e3afdf81b786c32e86"
            },
            {
               "url": "https://git.kernel.org/stable/c/291c932fc3692e4d211a445ba8aa35663831bac7"
            }
         ],
         "title": "NFC: digital: fix possible memory leak in digital_in_send_sdd_req()",
         "x_generator": {
            "engine": "bippy-a5840b7849dd"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2021-47442",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}