{"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": "2024-12-19T07:36:54.966Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-12-19T07:36:54.966Z"}, "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": "11f54f228643d0248ec00ce8c9fb8d872f87e7b8", "lessThan": "448a1cb12977f52142e6feb12022c59662d88dc1", "status": "affected", "versionType": "git"}, {"version": "11f54f228643d0248ec00ce8c9fb8d872f87e7b8", "lessThan": "4a621621c7af3cec21c47c349b30cd9c3cea11c8", "status": "affected", "versionType": "git"}, {"version": "11f54f228643d0248ec00ce8c9fb8d872f87e7b8", "lessThan": "2c2fb2df46ea866b49fea5ec7112ec3cd4896c74", "status": "affected", "versionType": "git"}, {"version": "11f54f228643d0248ec00ce8c9fb8d872f87e7b8", "lessThan": "0365701bc44e078682ee1224866a71897495c7ef", "status": "affected", "versionType": "git"}, {"version": "11f54f228643d0248ec00ce8c9fb8d872f87e7b8", "lessThan": "af2a4426baf71163c0c354580ae98c7888a9aba7", "status": "affected", "versionType": "git"}, {"version": "11f54f228643d0248ec00ce8c9fb8d872f87e7b8", "lessThan": "b34cb7ac32cc8e5471dc773180ea9ae676b1a745", "status": "affected", "versionType": "git"}, {"version": "11f54f228643d0248ec00ce8c9fb8d872f87e7b8", "lessThan": "65234f50a90b64b335cbb9164b8a98c2a0d031dd", "status": "affected", "versionType": "git"}, {"version": "11f54f228643d0248ec00ce8c9fb8d872f87e7b8", "lessThan": "e0652f8bb44d6294eeeac06d703185357f25d50b", "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": "semver"}, {"version": "4.4.271", "lessThanOrEqual": "4.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "4.9.271", "lessThanOrEqual": "4.9.*", "status": "unaffected", "versionType": "semver"}, {"version": "4.14.235", "lessThanOrEqual": "4.14.*", "status": "unaffected", "versionType": "semver"}, {"version": "4.19.193", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.123", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.41", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.12.8", "lessThanOrEqual": "5.12.*", "status": "unaffected", "versionType": "semver"}, {"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-5f407fcff5a0"}}, "adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2021-47180", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-03-25T13:48:55.834173Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-04T17:15:05.970Z"}}, {"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:32:07.250Z"}, "title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/448a1cb12977f52142e6feb12022c59662d88dc1", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/4a621621c7af3cec21c47c349b30cd9c3cea11c8", "tags": ["x_transferred"]}, {"url": 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{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/448a1cb12977f52142e6feb12022c59662d88dc1", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/4a621621c7af3cec21c47c349b30cd9c3cea11c8", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/2c2fb2df46ea866b49fea5ec7112ec3cd4896c74", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/0365701bc44e078682ee1224866a71897495c7ef", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/af2a4426baf71163c0c354580ae98c7888a9aba7", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/b34cb7ac32cc8e5471dc773180ea9ae676b1a745", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/65234f50a90b64b335cbb9164b8a98c2a0d031dd", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/e0652f8bb44d6294eeeac06d703185357f25d50b", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:32:07.250Z"}}, {"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2021-47180", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-03-25T13:48:55.834173Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-05-23T19:01:19.327Z"}, "title": "CISA ADP Vulnrichment"}], "cna": {"title": "NFC: nci: fix memory leak in nci_allocate_device", "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "11f54f228643", "lessThan": "448a1cb12977", "versionType": "git"}, {"status": "affected", "version": "11f54f228643", "lessThan": "4a621621c7af", "versionType": "git"}, {"status": 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"version": "4.4.271", "versionType": "semver", "lessThanOrEqual": "4.4.*"}, {"status": "unaffected", "version": "4.9.271", "versionType": "semver", "lessThanOrEqual": "4.9.*"}, {"status": "unaffected", "version": "4.14.235", "versionType": "semver", "lessThanOrEqual": "4.14.*"}, {"status": "unaffected", "version": "4.19.193", "versionType": "semver", "lessThanOrEqual": "4.19.*"}, {"status": "unaffected", "version": "5.4.123", "versionType": "semver", "lessThanOrEqual": "5.4.*"}, {"status": "unaffected", "version": "5.10.41", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.12.8", "versionType": "semver", "lessThanOrEqual": "5.12.*"}, {"status": "unaffected", "version": "5.13", "versionType": "semver", "lessThanOrEqual": "*"}], "programFiles": ["include/net/nfc/nci_core.h", "net/nfc/nci/core.c", "net/nfc/nci/hci.c"], "defaultStatus": "affected"}], "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"}], "x_generator": {"engine": "bippy-c8e10e5f6187"}, "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"}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-11-04T11:36:18.143Z"}}}, "cveMetadata": {"cveId": "CVE-2021-47180", "state": "PUBLISHED", "dateUpdated": "2024-11-04T11:36:18.143Z", "dateReserved": "2024-03-25T09:12:14.112Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-03-25T09:16:29.580Z", "assignerShortName": "Linux"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "2DB78FDC-C9EA-4ACD-A898-A03A3597EEDF", "versionEndExcluding": "4.4.271", "versionStartIncluding": "4.0", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "1E7DAE3A-78E9-45DB-96D8-4541CD7DC26B", "versionEndExcluding": "4.9.271", "versionStartIncluding": "4.5", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "03A23445-0C1A-42AB-AC5C-768360DDF32C", "versionEndExcluding": "4.14.235", "versionStartIncluding": "4.10", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "C8DEF3EC-88D9-4B89-8CF9-64BD6C863C9D", "versionEndExcluding": "4.19.193", "versionStartIncluding": "4.15", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "E155FDCC-159C-4B41-A583-2A3E1FD04585", "versionEndExcluding": "5.4.123", "versionStartIncluding": "4.20", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "19259C31-3EC0-4F2C-BC92-B844E9D1BE5E", "versionEndExcluding": "5.10.41", "versionStartIncluding": "5.5", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "2F14396C-5D81-4DCA-BF2C-B00F1CB73DDD", "versionEndExcluding": "5.12.8", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.13:rc1:*:*:*:*:*:*", "matchCriteriaId": "0CBAD0FC-C281-4666-AB2F-F8E6E1165DF7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.13:rc2:*:*:*:*:*:*", "matchCriteriaId": "96AC23B2-D46A-49D9-8203-8E1BEDCA8532", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.13:rc3:*:*:*:*:*:*", "matchCriteriaId": "DA610E30-717C-4700-9F77-A3C9244F3BFD", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "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"}, {"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: [&lt;000000004bc25d43&gt;] kmalloc include/linux/slab.h:552 [en l\u00ednea] [&lt;000000004bc25d43&gt;] kzalloc include/linux/slab.h:682 [en l\u00ednea] [&lt;000000004bc25d43&gt;] nci_hci_allocate+0x21/ 0xd0 net/nfc/nci/hci.c:784 [&lt;00000000c59cff92&gt;] nci_allocate_device net/nfc/nci/core.c:1170 [en l\u00ednea] [&lt;00000000c59cff92&gt;] nci_allocate_device+0x10b/0x160 net/nfc/nci/core. c:1132 [&lt;00000000006e0a8e&gt;] nfcmrvl_nci_register_dev+0x10a/0x1c0 controladores/nfc/nfcmrvl/main.c:153 [&lt;000000004da1b57e&gt;] nfcmrvl_probe+0x223/0x290 controladores/nfc/nfcmr vl/usb.c:345 [&lt;00000000d506aed9&gt;] usb_probe_interface+0x177/0x370 drivers/usb/core/driver.c:396 [&lt;00000000bc632c92&gt;] very_probe+0x159/0x4a0 drivers/base/dd.c:554 [&lt;00000000f5009125&gt;] driver_probe_device+0x84/0x100 drivers/base/dd .c:740 [&lt;000000000ce658ca&gt;] __device_attach_driver+0xee/0x110 controladores/base/dd.c:846 [&lt;000000007067d05f&gt;] bus_for_each_drv+0xb7/0x100 controladores/base/bus.c:431 [&lt;00000000f8e1337 2&gt;] __device_attach+0x122 /0x250 controladores/base/dd.c:914 [&lt;000000009cf68860&gt;] bus_probe_device+0xc6/0xe0 controladores/base/bus.c:491 [&lt;00000000359c965a&gt;] dispositivo_add+0x5be/0xc30 controladores/base/core.c:3109 [ &lt;00000000086e4bd3&gt;] usb_set_configuration+0x9d9/0xb90 controladores/usb/core/message.c:2164 [&lt;00000000ca036872&gt;] usb_generic_driver_probe+0x8c/0xc0 controladores/usb/core/generic.c:238 [&lt;00000000d40d3 6f6&gt;] dispositivo_probe_usb+0x5c/ 0x140 controladores/usb/core/driver.c:293 [&lt;00000000bc632c92&gt;] very_probe+0x159/0x4a0 controladores/base/dd.c:554"}], "id": "CVE-2021-47180", "lastModified": "2025-01-07T17:17:24.333", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2024-03-25T10:15:09.363", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/0365701bc44e078682ee1224866a71897495c7ef"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2c2fb2df46ea866b49fea5ec7112ec3cd4896c74"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/448a1cb12977f52142e6feb12022c59662d88dc1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/4a621621c7af3cec21c47c349b30cd9c3cea11c8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/65234f50a90b64b335cbb9164b8a98c2a0d031dd"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/af2a4426baf71163c0c354580ae98c7888a9aba7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b34cb7ac32cc8e5471dc773180ea9ae676b1a745"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e0652f8bb44d6294eeeac06d703185357f25d50b"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/0365701bc44e078682ee1224866a71897495c7ef"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2c2fb2df46ea866b49fea5ec7112ec3cd4896c74"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/448a1cb12977f52142e6feb12022c59662d88dc1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/4a621621c7af3cec21c47c349b30cd9c3cea11c8"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/65234f50a90b64b335cbb9164b8a98c2a0d031dd"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/af2a4426baf71163c0c354580ae98c7888a9aba7"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b34cb7ac32cc8e5471dc773180ea9ae676b1a745"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e0652f8bb44d6294eeeac06d703185357f25d50b"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-401"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: NFC: nci: fix memory leak in nci_allocate_device", "id": "2271458", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2271458"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-401", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nNFC: nci: fix memory leak in nci_allocate_device\nnfcmrvl_disconnect fails to free the hci_dev field in struct nci_dev.\nFix this by freeing hci_dev in nci_free_device.\nBUG: memory leak\nunreferenced object 0xffff888111ea6800 (size 1024):\ncomm \"kworker/1:0\", pid 19, jiffies 4294942308 (age 13.580s)\nhex dump (first 32 bytes):\n00 00 00 00 00 00 00 00 00 60 fd 0c 81 88 ff ff .........`......\n00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................\nbacktrace:\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", "A flaw was found in the nfc module in the Linux kernel. The nfcmrvl_disconnect function does not free the hci_dev field in the struct nci_dev, causing a memory leak, potentially impacting system performance and resulting in a denial of service."], "name": "CVE-2021-47180", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-03-25T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-47180\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-47180\nhttps://lore.kernel.org/linux-cve-announce/2024032539-CVE-2021-47180-5b80@gregkh/T"], "statement": "The nfc module is not built in the kernel shipped in Red Hat Enterprise Linux, so it is not affected by this vulnerability.", "threat_severity": "Moderate", "upstream_fix": "kernel 4.4.271, kernel 4.9.271, kernel 4.14.235, kernel 4.19.193, kernel 5.4.123, kernel 5.10.41, kernel 5.12.8, kernel 5.13"}