{"id":"CVE-2021-47180","details":"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    [\u003c000000004bc25d43\u003e] kmalloc include/linux/slab.h:552 [inline]\n    [\u003c000000004bc25d43\u003e] kzalloc include/linux/slab.h:682 [inline]\n    [\u003c000000004bc25d43\u003e] nci_hci_allocate+0x21/0xd0 net/nfc/nci/hci.c:784\n    [\u003c00000000c59cff92\u003e] nci_allocate_device net/nfc/nci/core.c:1170 [inline]\n    [\u003c00000000c59cff92\u003e] nci_allocate_device+0x10b/0x160 net/nfc/nci/core.c:1132\n    [\u003c00000000006e0a8e\u003e] nfcmrvl_nci_register_dev+0x10a/0x1c0 drivers/nfc/nfcmrvl/main.c:153\n    [\u003c000000004da1b57e\u003e] nfcmrvl_probe+0x223/0x290 drivers/nfc/nfcmrvl/usb.c:345\n    [\u003c00000000d506aed9\u003e] usb_probe_interface+0x177/0x370 drivers/usb/core/driver.c:396\n    [\u003c00000000bc632c92\u003e] really_probe+0x159/0x4a0 drivers/base/dd.c:554\n    [\u003c00000000f5009125\u003e] driver_probe_device+0x84/0x100 drivers/base/dd.c:740\n    [\u003c000000000ce658ca\u003e] __device_attach_driver+0xee/0x110 drivers/base/dd.c:846\n    [\u003c000000007067d05f\u003e] bus_for_each_drv+0xb7/0x100 drivers/base/bus.c:431\n    [\u003c00000000f8e13372\u003e] __device_attach+0x122/0x250 drivers/base/dd.c:914\n    [\u003c000000009cf68860\u003e] bus_probe_device+0xc6/0xe0 drivers/base/bus.c:491\n    [\u003c00000000359c965a\u003e] device_add+0x5be/0xc30 drivers/base/core.c:3109\n    [\u003c00000000086e4bd3\u003e] usb_set_configuration+0x9d9/0xb90 drivers/usb/core/message.c:2164\n    [\u003c00000000ca036872\u003e] usb_generic_driver_probe+0x8c/0xc0 drivers/usb/core/generic.c:238\n    [\u003c00000000d40d36f6\u003e] usb_probe_device+0x5c/0x140 drivers/usb/core/driver.c:293\n    [\u003c00000000bc632c92\u003e] really_probe+0x159/0x4a0 drivers/base/dd.c:554","modified":"2026-03-15T22:43:07.325244Z","published":"2024-03-25T10:15:09.363Z","related":["SUSE-SU-2024:1454-1","SUSE-SU-2024:1465-1","SUSE-SU-2024:1489-1","SUSE-SU-2024:1643-1","SUSE-SU-2024:1646-1","SUSE-SU-2024:1870-1"],"references":[{"type":"FIX","url":"https://git.kernel.org/stable/c/2c2fb2df46ea866b49fea5ec7112ec3cd4896c74"},{"type":"FIX","url":"https://git.kernel.org/stable/c/448a1cb12977f52142e6feb12022c59662d88dc1"},{"type":"FIX","url":"https://git.kernel.org/stable/c/4a621621c7af3cec21c47c349b30cd9c3cea11c8"},{"type":"FIX","url":"https://git.kernel.org/stable/c/65234f50a90b64b335cbb9164b8a98c2a0d031dd"},{"type":"FIX","url":"https://git.kernel.org/stable/c/af2a4426baf71163c0c354580ae98c7888a9aba7"},{"type":"FIX","url":"https://git.kernel.org/stable/c/b34cb7ac32cc8e5471dc773180ea9ae676b1a745"},{"type":"FIX","url":"https://git.kernel.org/stable/c/e0652f8bb44d6294eeeac06d703185357f25d50b"},{"type":"FIX","url":"https://git.kernel.org/stable/c/0365701bc44e078682ee1224866a71897495c7ef"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"4.0"},{"fixed":"4.4.271"}]},{"events":[{"introduced":"4.5"},{"fixed":"4.9.271"}]},{"events":[{"introduced":"4.10"},{"fixed":"4.14.235"}]},{"events":[{"introduced":"4.15"},{"fixed":"4.19.193"}]},{"events":[{"introduced":"4.20"},{"fixed":"5.4.123"}]},{"events":[{"introduced":"5.5"},{"fixed":"5.10.41"}]},{"events":[{"introduced":"5.11"},{"fixed":"5.12.8"}]},{"events":[{"introduced":"0"},{"last_affected":"5.13-rc1"}]},{"events":[{"introduced":"0"},{"last_affected":"5.13-rc2"}]},{"events":[{"introduced":"0"},{"last_affected":"5.13-rc3"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-47180.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}