{
   "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: nci: fix memory leak in nci_allocate_device\n\nnfcmrvl_disconnect fails to free the hci_dev field in struct nci_dev.\nFix this by freeing hci_dev in nci_free_device.\n\nBUG: memory leak\nunreferenced object 0xffff888111ea6800 (size 1024):\n  comm \"kworker/1:0\", pid 19, jiffies 4294942308 (age 13.580s)\n  hex dump (first 32 bytes):\n    00 00 00 00 00 00 00 00 00 60 fd 0c 81 88 ff ff  .........`......\n    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................\n  backtrace:\n    [<000000004bc25d43>] kmalloc include/linux/slab.h:552 [inline]\n    [<000000004bc25d43>] kzalloc include/linux/slab.h:682 [inline]\n    [<000000004bc25d43>] nci_hci_allocate+0x21/0xd0 net/nfc/nci/hci.c:784\n    [<00000000c59cff92>] nci_allocate_device net/nfc/nci/core.c:1170 [inline]\n    [<00000000c59cff92>] nci_allocate_device+0x10b/0x160 net/nfc/nci/core.c:1132\n    [<00000000006e0a8e>] nfcmrvl_nci_register_dev+0x10a/0x1c0 drivers/nfc/nfcmrvl/main.c:153\n    [<000000004da1b57e>] nfcmrvl_probe+0x223/0x290 drivers/nfc/nfcmrvl/usb.c:345\n    [<00000000d506aed9>] usb_probe_interface+0x177/0x370 drivers/usb/core/driver.c:396\n    [<00000000bc632c92>] really_probe+0x159/0x4a0 drivers/base/dd.c:554\n    [<00000000f5009125>] driver_probe_device+0x84/0x100 drivers/base/dd.c:740\n    [<000000000ce658ca>] __device_attach_driver+0xee/0x110 drivers/base/dd.c:846\n    [<000000007067d05f>] bus_for_each_drv+0xb7/0x100 drivers/base/bus.c:431\n    [<00000000f8e13372>] __device_attach+0x122/0x250 drivers/base/dd.c:914\n    [<000000009cf68860>] bus_probe_device+0xc6/0xe0 drivers/base/bus.c:491\n    [<00000000359c965a>] device_add+0x5be/0xc30 drivers/base/core.c:3109\n    [<00000000086e4bd3>] usb_set_configuration+0x9d9/0xb90 drivers/usb/core/message.c:2164\n    [<00000000ca036872>] usb_generic_driver_probe+0x8c/0xc0 drivers/usb/core/generic.c:238\n    [<00000000d40d36f6>] usb_probe_device+0x5c/0x140 drivers/usb/core/driver.c:293\n    [<00000000bc632c92>] really_probe+0x159/0x4a0 drivers/base/dd.c:554"
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "include/net/nfc/nci_core.h",
                  "net/nfc/nci/core.c",
                  "net/nfc/nci/hci.c"
               ],
               "versions": [
                  {
                     "version": "11f54f228643",
                     "lessThan": "448a1cb12977",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "11f54f228643",
                     "lessThan": "4a621621c7af",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "11f54f228643",
                     "lessThan": "2c2fb2df46ea",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "11f54f228643",
                     "lessThan": "0365701bc44e",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "11f54f228643",
                     "lessThan": "af2a4426baf7",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "11f54f228643",
                     "lessThan": "b34cb7ac32cc",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "11f54f228643",
                     "lessThan": "65234f50a90b",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "11f54f228643",
                     "lessThan": "e0652f8bb44d",
                     "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/nfc/nci_core.h",
                  "net/nfc/nci/core.c",
                  "net/nfc/nci/hci.c"
               ],
               "versions": [
                  {
                     "version": "4.0",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "4.0",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "4.4.271",
                     "lessThanOrEqual": "4.4.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "4.9.271",
                     "lessThanOrEqual": "4.9.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "4.14.235",
                     "lessThanOrEqual": "4.14.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "4.19.193",
                     "lessThanOrEqual": "4.19.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.4.123",
                     "lessThanOrEqual": "5.4.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.10.41",
                     "lessThanOrEqual": "5.10.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.12.8",
                     "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/448a1cb12977f52142e6feb12022c59662d88dc1"
            },
            {
               "url": "https://git.kernel.org/stable/c/4a621621c7af3cec21c47c349b30cd9c3cea11c8"
            },
            {
               "url": "https://git.kernel.org/stable/c/2c2fb2df46ea866b49fea5ec7112ec3cd4896c74"
            },
            {
               "url": "https://git.kernel.org/stable/c/0365701bc44e078682ee1224866a71897495c7ef"
            },
            {
               "url": "https://git.kernel.org/stable/c/af2a4426baf71163c0c354580ae98c7888a9aba7"
            },
            {
               "url": "https://git.kernel.org/stable/c/b34cb7ac32cc8e5471dc773180ea9ae676b1a745"
            },
            {
               "url": "https://git.kernel.org/stable/c/65234f50a90b64b335cbb9164b8a98c2a0d031dd"
            },
            {
               "url": "https://git.kernel.org/stable/c/e0652f8bb44d6294eeeac06d703185357f25d50b"
            }
         ],
         "title": "NFC: nci: fix memory leak in nci_allocate_device",
         "x_generator": {
            "engine": "bippy-a5840b7849dd"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2021-47180",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}
