{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2021-47180",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2024-03-25T09:12:14.112Z",
        "datePublished": "2024-03-25T09:16:29.580Z",
        "dateUpdated": "2024-08-04T05:32:07.250Z"
    },
    "containers": {
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                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2024-05-29T05:03:26.983Z"
            },
            "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"
                }
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            "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"
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                            "status": "affected",
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                            "lessThan": "65234f50a90b",
                            "status": "affected",
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                            "status": "affected",
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                {
                    "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"
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                    "versions": [
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                            "version": "4.0",
                            "status": "affected"
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                        {
                            "version": "0",
                            "lessThan": "4.0",
                            "status": "unaffected",
                            "versionType": "custom"
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                        {
                            "version": "4.4.271",
                            "lessThanOrEqual": "4.4.*",
                            "status": "unaffected",
                            "versionType": "custom"
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                        {
                            "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",
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                        {
                            "version": "5.4.123",
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                        {
                            "version": "5.10.41",
                            "lessThanOrEqual": "5.10.*",
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                        {
                            "version": "5.12.8",
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                            "version": "5.13",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
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