gsd-2021-47180
Vulnerability from gsd
Modified
2024-04-03 05:03
Details
In the Linux kernel, the following vulnerability has been resolved:
NFC: nci: fix memory leak in nci_allocate_device
nfcmrvl_disconnect fails to free the hci_dev field in struct nci_dev.
Fix this by freeing hci_dev in nci_free_device.
BUG: memory leak
unreferenced object 0xffff888111ea6800 (size 1024):
comm "kworker/1:0", pid 19, jiffies 4294942308 (age 13.580s)
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 60 fd 0c 81 88 ff ff .........`......
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<000000004bc25d43>] kmalloc include/linux/slab.h:552 [inline]
[<000000004bc25d43>] kzalloc include/linux/slab.h:682 [inline]
[<000000004bc25d43>] nci_hci_allocate+0x21/0xd0 net/nfc/nci/hci.c:784
[<00000000c59cff92>] nci_allocate_device net/nfc/nci/core.c:1170 [inline]
[<00000000c59cff92>] nci_allocate_device+0x10b/0x160 net/nfc/nci/core.c:1132
[<00000000006e0a8e>] nfcmrvl_nci_register_dev+0x10a/0x1c0 drivers/nfc/nfcmrvl/main.c:153
[<000000004da1b57e>] nfcmrvl_probe+0x223/0x290 drivers/nfc/nfcmrvl/usb.c:345
[<00000000d506aed9>] usb_probe_interface+0x177/0x370 drivers/usb/core/driver.c:396
[<00000000bc632c92>] really_probe+0x159/0x4a0 drivers/base/dd.c:554
[<00000000f5009125>] driver_probe_device+0x84/0x100 drivers/base/dd.c:740
[<000000000ce658ca>] __device_attach_driver+0xee/0x110 drivers/base/dd.c:846
[<000000007067d05f>] bus_for_each_drv+0xb7/0x100 drivers/base/bus.c:431
[<00000000f8e13372>] __device_attach+0x122/0x250 drivers/base/dd.c:914
[<000000009cf68860>] bus_probe_device+0xc6/0xe0 drivers/base/bus.c:491
[<00000000359c965a>] device_add+0x5be/0xc30 drivers/base/core.c:3109
[<00000000086e4bd3>] usb_set_configuration+0x9d9/0xb90 drivers/usb/core/message.c:2164
[<00000000ca036872>] usb_generic_driver_probe+0x8c/0xc0 drivers/usb/core/generic.c:238
[<00000000d40d36f6>] usb_probe_device+0x5c/0x140 drivers/usb/core/driver.c:293
[<00000000bc632c92>] really_probe+0x159/0x4a0 drivers/base/dd.c:554
Aliases
{ "gsd": { "metadata": { "exploitCode": "unknown", "remediation": "unknown", "reportConfidence": "confirmed", "type": "vulnerability" }, "osvSchema": { "aliases": [ "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", "id": "GSD-2021-47180", "modified": "2024-04-03T05:03:54.960569Z", "schema_version": "1.4.0" } }, "namespaces": { "cve.org": { "CVE_data_meta": { "ASSIGNER": "cve@kernel.org", "ID": "CVE-2021-47180", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "Linux", "version": { "version_data": [ { "version_affected": "\u003c", "version_name": "11f54f228643", "version_value": "448a1cb12977" }, { "version_value": "not down converted", "x_cve_json_5_version_data": { "defaultStatus": "affected", "versions": [ { "status": "affected", "version": "4.0" }, { "lessThan": "4.0", "status": "unaffected", "version": "0", "versionType": "custom" }, { "lessThanOrEqual": "4.4.*", "status": "unaffected", "version": "4.4.271", "versionType": "custom" }, { "lessThanOrEqual": "4.9.*", "status": "unaffected", "version": "4.9.271", "versionType": "custom" }, { "lessThanOrEqual": "4.14.*", "status": "unaffected", "version": "4.14.235", "versionType": "custom" }, { "lessThanOrEqual": "4.19.*", "status": "unaffected", "version": "4.19.193", "versionType": "custom" }, { "lessThanOrEqual": "5.4.*", "status": "unaffected", "version": "5.4.123", "versionType": "custom" }, { "lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.41", "versionType": "custom" }, { "lessThanOrEqual": "5.12.*", "status": "unaffected", "version": "5.12.8", "versionType": "custom" }, { "lessThanOrEqual": "*", "status": "unaffected", "version": "5.13", "versionType": "original_commit_for_fix" } ] } } ] } } ] }, "vendor_name": "Linux" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "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 [\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" } ] }, "generator": { "engine": "bippy-b4257b672505" }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "n/a" } ] } ] }, "references": { "reference_data": [ { "name": "https://git.kernel.org/stable/c/448a1cb12977f52142e6feb12022c59662d88dc1", "refsource": "MISC", "url": "https://git.kernel.org/stable/c/448a1cb12977f52142e6feb12022c59662d88dc1" }, { "name": "https://git.kernel.org/stable/c/4a621621c7af3cec21c47c349b30cd9c3cea11c8", "refsource": "MISC", "url": "https://git.kernel.org/stable/c/4a621621c7af3cec21c47c349b30cd9c3cea11c8" }, { "name": "https://git.kernel.org/stable/c/2c2fb2df46ea866b49fea5ec7112ec3cd4896c74", "refsource": "MISC", "url": "https://git.kernel.org/stable/c/2c2fb2df46ea866b49fea5ec7112ec3cd4896c74" }, { "name": "https://git.kernel.org/stable/c/0365701bc44e078682ee1224866a71897495c7ef", "refsource": "MISC", "url": "https://git.kernel.org/stable/c/0365701bc44e078682ee1224866a71897495c7ef" }, { "name": "https://git.kernel.org/stable/c/af2a4426baf71163c0c354580ae98c7888a9aba7", "refsource": "MISC", "url": "https://git.kernel.org/stable/c/af2a4426baf71163c0c354580ae98c7888a9aba7" }, { "name": "https://git.kernel.org/stable/c/b34cb7ac32cc8e5471dc773180ea9ae676b1a745", "refsource": "MISC", "url": "https://git.kernel.org/stable/c/b34cb7ac32cc8e5471dc773180ea9ae676b1a745" }, { "name": "https://git.kernel.org/stable/c/65234f50a90b64b335cbb9164b8a98c2a0d031dd", "refsource": "MISC", "url": "https://git.kernel.org/stable/c/65234f50a90b64b335cbb9164b8a98c2a0d031dd" }, { "name": "https://git.kernel.org/stable/c/e0652f8bb44d6294eeeac06d703185357f25d50b", "refsource": "MISC", "url": "https://git.kernel.org/stable/c/e0652f8bb44d6294eeeac06d703185357f25d50b" } ] } }, "nvd.nist.gov": { "cve": { "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 [\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" }, { "lang": "es", "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: NFC: nci: corrige la p\u00e9rdida de memoria en nci_allocate_device nfcmrvl_disconnect no logra liberar el campo hci_dev en la estructura nci_dev. Solucione este problema liberando hci_dev en nci_free_device. ERROR: p\u00e9rdida de memoria, objeto sin referencia 0xffff888111ea6800 (tama\u00f1o 1024): comunicaci\u00f3n \"kworker/1:0\", pid 19, jiffies 4294942308 (edad 13.580 s) volcado hexadecimal (primeros 32 bytes): 00 00 00 00 00 00 00 00 00 60 fd 0c 81 88 ff ff .........`...... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ............. ... seguimiento: [\u0026lt;000000004bc25d43\u0026gt;] kmalloc include/linux/slab.h:552 [en l\u00ednea] [\u0026lt;000000004bc25d43\u0026gt;] kzalloc include/linux/slab.h:682 [en l\u00ednea] [\u0026lt;000000004bc25d43\u0026gt;] nci_hci_allocate+0x21/ 0xd0 net/nfc/nci/hci.c:784 [\u0026lt;00000000c59cff92\u0026gt;] nci_allocate_device net/nfc/nci/core.c:1170 [en l\u00ednea] [\u0026lt;00000000c59cff92\u0026gt;] nci_allocate_device+0x10b/0x160 net/nfc/nci/core. c:1132 [\u0026lt;00000000006e0a8e\u0026gt;] nfcmrvl_nci_register_dev+0x10a/0x1c0 controladores/nfc/nfcmrvl/main.c:153 [\u0026lt;000000004da1b57e\u0026gt;] nfcmrvl_probe+0x223/0x290 controladores/nfc/nfcmr vl/usb.c:345 [\u0026lt;00000000d506aed9\u0026gt;] usb_probe_interface+0x177/0x370 drivers/usb/core/driver.c:396 [\u0026lt;00000000bc632c92\u0026gt;] very_probe+0x159/0x4a0 drivers/base/dd.c:554 [\u0026lt;00000000f5009125\u0026gt;] driver_probe_device+0x84/0x100 drivers/base/dd .c:740 [\u0026lt;000000000ce658ca\u0026gt;] __device_attach_driver+0xee/0x110 controladores/base/dd.c:846 [\u0026lt;000000007067d05f\u0026gt;] bus_for_each_drv+0xb7/0x100 controladores/base/bus.c:431 [\u0026lt;00000000f8e1337 2\u0026gt;] __device_attach+0x122 /0x250 controladores/base/dd.c:914 [\u0026lt;000000009cf68860\u0026gt;] bus_probe_device+0xc6/0xe0 controladores/base/bus.c:491 [\u0026lt;00000000359c965a\u0026gt;] dispositivo_add+0x5be/0xc30 controladores/base/core.c:3109 [ \u0026lt;00000000086e4bd3\u0026gt;] usb_set_configuration+0x9d9/0xb90 controladores/usb/core/message.c:2164 [\u0026lt;00000000ca036872\u0026gt;] usb_generic_driver_probe+0x8c/0xc0 controladores/usb/core/generic.c:238 [\u0026lt;00000000d40d3 6f6\u0026gt;] dispositivo_probe_usb+0x5c/ 0x140 controladores/usb/core/driver.c:293 [\u0026lt;00000000bc632c92\u0026gt;] very_probe+0x159/0x4a0 controladores/base/dd.c:554" } ], "id": "CVE-2021-47180", "lastModified": "2024-03-25T13:47:14.087", "metrics": {}, "published": "2024-03-25T10:15:09.363", "references": [ { "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0365701bc44e078682ee1224866a71897495c7ef" }, { "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2c2fb2df46ea866b49fea5ec7112ec3cd4896c74" }, { "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/448a1cb12977f52142e6feb12022c59662d88dc1" }, { "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4a621621c7af3cec21c47c349b30cd9c3cea11c8" }, { "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/65234f50a90b64b335cbb9164b8a98c2a0d031dd" }, { "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/af2a4426baf71163c0c354580ae98c7888a9aba7" }, { "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b34cb7ac32cc8e5471dc773180ea9ae676b1a745" }, { "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e0652f8bb44d6294eeeac06d703185357f25d50b" } ], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis" } } } }
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Sightings
Author | Source | Type | Date |
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Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.