| { |
| "containers": { |
| "cna": { |
| "providerMetadata": { |
| "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038" |
| }, |
| "descriptions": [ |
| { |
| "lang": "en", |
| "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: mdiobus: Fix memory leak in __mdiobus_register\n\nOnce device_register() failed, we should call put_device() to\ndecrement reference count for cleanup. Or it will cause memory\nleak.\n\nBUG: memory leak\nunreferenced object 0xffff888114032e00 (size 256):\n comm \"kworker/1:3\", pid 2960, jiffies 4294943572 (age 15.920s)\n hex dump (first 32 bytes):\n 00 00 00 00 00 00 00 00 08 2e 03 14 81 88 ff ff ................\n 08 2e 03 14 81 88 ff ff 90 76 65 82 ff ff ff ff .........ve.....\n backtrace:\n [<ffffffff8265cfab>] kmalloc include/linux/slab.h:591 [inline]\n [<ffffffff8265cfab>] kzalloc include/linux/slab.h:721 [inline]\n [<ffffffff8265cfab>] device_private_init drivers/base/core.c:3203 [inline]\n [<ffffffff8265cfab>] device_add+0x89b/0xdf0 drivers/base/core.c:3253\n [<ffffffff828dd643>] __mdiobus_register+0xc3/0x450 drivers/net/phy/mdio_bus.c:537\n [<ffffffff828cb835>] __devm_mdiobus_register+0x75/0xf0 drivers/net/phy/mdio_devres.c:87\n [<ffffffff82b92a00>] ax88772_init_mdio drivers/net/usb/asix_devices.c:676 [inline]\n [<ffffffff82b92a00>] ax88772_bind+0x330/0x480 drivers/net/usb/asix_devices.c:786\n [<ffffffff82baa33f>] usbnet_probe+0x3ff/0xdf0 drivers/net/usb/usbnet.c:1745\n [<ffffffff82c36e17>] usb_probe_interface+0x177/0x370 drivers/usb/core/driver.c:396\n [<ffffffff82661d17>] call_driver_probe drivers/base/dd.c:517 [inline]\n [<ffffffff82661d17>] really_probe.part.0+0xe7/0x380 drivers/base/dd.c:596\n [<ffffffff826620bc>] really_probe drivers/base/dd.c:558 [inline]\n [<ffffffff826620bc>] __driver_probe_device+0x10c/0x1e0 drivers/base/dd.c:751\n [<ffffffff826621ba>] driver_probe_device+0x2a/0x120 drivers/base/dd.c:781\n [<ffffffff82662a26>] __device_attach_driver+0xf6/0x140 drivers/base/dd.c:898\n [<ffffffff8265eca7>] bus_for_each_drv+0xb7/0x100 drivers/base/bus.c:427\n [<ffffffff826625a2>] __device_attach+0x122/0x260 drivers/base/dd.c:969\n [<ffffffff82660916>] bus_probe_device+0xc6/0xe0 drivers/base/bus.c:487\n [<ffffffff8265cd0b>] device_add+0x5fb/0xdf0 drivers/base/core.c:3359\n [<ffffffff82c343b9>] usb_set_configuration+0x9d9/0xb90 drivers/usb/core/message.c:2170\n [<ffffffff82c4473c>] usb_generic_driver_probe+0x8c/0xc0 drivers/usb/core/generic.c:238\n\nBUG: memory leak\nunreferenced object 0xffff888116f06900 (size 32):\n comm \"kworker/0:2\", pid 2670, jiffies 4294944448 (age 7.160s)\n hex dump (first 32 bytes):\n 75 73 62 2d 30 30 31 3a 30 30 33 00 00 00 00 00 usb-001:003.....\n 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................\n backtrace:\n [<ffffffff81484516>] kstrdup+0x36/0x70 mm/util.c:60\n [<ffffffff814845a3>] kstrdup_const+0x53/0x80 mm/util.c:83\n [<ffffffff82296ba2>] kvasprintf_const+0xc2/0x110 lib/kasprintf.c:48\n [<ffffffff82358d4b>] kobject_set_name_vargs+0x3b/0xe0 lib/kobject.c:289\n [<ffffffff826575f3>] dev_set_name+0x63/0x90 drivers/base/core.c:3147\n [<ffffffff828dd63b>] __mdiobus_register+0xbb/0x450 drivers/net/phy/mdio_bus.c:535\n [<ffffffff828cb835>] __devm_mdiobus_register+0x75/0xf0 drivers/net/phy/mdio_devres.c:87\n [<ffffffff82b92a00>] ax88772_init_mdio drivers/net/usb/asix_devices.c:676 [inline]\n [<ffffffff82b92a00>] ax88772_bind+0x330/0x480 drivers/net/usb/asix_devices.c:786\n [<ffffffff82baa33f>] usbnet_probe+0x3ff/0xdf0 drivers/net/usb/usbnet.c:1745\n [<ffffffff82c36e17>] usb_probe_interface+0x177/0x370 drivers/usb/core/driver.c:396\n [<ffffffff82661d17>] call_driver_probe drivers/base/dd.c:517 [inline]\n [<ffffffff82661d17>] really_probe.part.0+0xe7/0x380 drivers/base/dd.c:596\n [<ffffffff826620bc>] really_probe drivers/base/dd.c:558 [inline]\n [<ffffffff826620bc>] __driver_probe_device+0x10c/0x1e0 drivers/base/dd.c:751\n [<ffffffff826621ba>] driver_probe_device+0x2a/0x120 drivers/base/dd.c:781\n [<ffffffff82662a26>] __device_attach_driver+0xf6/0x140 drivers/base/dd.c:898\n [<ffffffff8265eca7>] bus_for_each\n---truncated---" |
| } |
| ], |
| "affected": [ |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "unaffected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "drivers/net/phy/mdio_bus.c" |
| ], |
| "versions": [ |
| { |
| "version": "1da177e4c3f4", |
| "lessThan": "fd2400dd4f1b", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "1da177e4c3f4", |
| "lessThan": "b89f4537d7fd", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "1da177e4c3f4", |
| "lessThan": "bc5f2f3431ce", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "1da177e4c3f4", |
| "lessThan": "2bc10dca9432", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "1da177e4c3f4", |
| "lessThan": "4ec0f9abc512", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "1da177e4c3f4", |
| "lessThan": "fdbffd95c4ce", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "1da177e4c3f4", |
| "lessThan": "a9831afa2dc8", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "1da177e4c3f4", |
| "lessThan": "8121d0d4fd10", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "1da177e4c3f4", |
| "lessThan": "b0feaa8376f5", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "1da177e4c3f4", |
| "lessThan": "6a18d155d5b3", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "1da177e4c3f4", |
| "lessThan": "3a0dc2e35a5d", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "1da177e4c3f4", |
| "lessThan": "c828115a14ea", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "1da177e4c3f4", |
| "lessThan": "0c4e87ba11eb", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "1da177e4c3f4", |
| "lessThan": "8ba94a7f7b9f", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "1da177e4c3f4", |
| "lessThan": "ab609f25d198", |
| "status": "affected", |
| "versionType": "git" |
| } |
| ] |
| }, |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "affected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "drivers/net/phy/mdio_bus.c" |
| ], |
| "versions": [ |
| { |
| "version": "4.4.290", |
| "lessThanOrEqual": "4.4.*", |
| "status": "unaffected", |
| "versionType": "custom" |
| }, |
| { |
| "version": "4.4.291", |
| "lessThanOrEqual": "4.4.*", |
| "status": "unaffected", |
| "versionType": "custom" |
| }, |
| { |
| "version": "4.9.288", |
| "lessThanOrEqual": "4.9.*", |
| "status": "unaffected", |
| "versionType": "custom" |
| }, |
| { |
| "version": "4.9.289", |
| "lessThanOrEqual": "4.9.*", |
| "status": "unaffected", |
| "versionType": "custom" |
| }, |
| { |
| "version": "4.14.253", |
| "lessThanOrEqual": "4.14.*", |
| "status": "unaffected", |
| "versionType": "custom" |
| }, |
| { |
| "version": "4.14.254", |
| "lessThanOrEqual": "4.14.*", |
| "status": "unaffected", |
| "versionType": "custom" |
| }, |
| { |
| "version": "4.19.214", |
| "lessThanOrEqual": "4.19.*", |
| "status": "unaffected", |
| "versionType": "custom" |
| }, |
| { |
| "version": "4.19.215", |
| "lessThanOrEqual": "4.19.*", |
| "status": "unaffected", |
| "versionType": "custom" |
| }, |
| { |
| "version": "5.4.156", |
| "lessThanOrEqual": "5.4.*", |
| "status": "unaffected", |
| "versionType": "custom" |
| }, |
| { |
| "version": "5.4.157", |
| "lessThanOrEqual": "5.4.*", |
| "status": "unaffected", |
| "versionType": "custom" |
| }, |
| { |
| "version": "5.10.76", |
| "lessThanOrEqual": "5.10.*", |
| "status": "unaffected", |
| "versionType": "custom" |
| }, |
| { |
| "version": "5.10.77", |
| "lessThanOrEqual": "5.10.*", |
| "status": "unaffected", |
| "versionType": "custom" |
| }, |
| { |
| "version": "5.14.15", |
| "lessThanOrEqual": "5.14.*", |
| "status": "unaffected", |
| "versionType": "custom" |
| }, |
| { |
| "version": "5.14.16", |
| "lessThanOrEqual": "5.14.*", |
| "status": "unaffected", |
| "versionType": "custom" |
| }, |
| { |
| "version": "5.15", |
| "lessThanOrEqual": "*", |
| "status": "unaffected", |
| "versionType": "original_commit_for_fix" |
| } |
| ] |
| } |
| ], |
| "references": [ |
| { |
| "url": "https://git.kernel.org/stable/c/fd2400dd4f1b8bd7a309b1b424d9e0d188151b01" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/b89f4537d7fdbd0bafb6d8a66a484e0bc99871a4" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/bc5f2f3431ced08300e4cb3aff35f1da14c26433" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/2bc10dca9432fadb09e45127e258fc7127fd346d" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/4ec0f9abc512cc02fb04daa89ccf6697e80ab417" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/fdbffd95c4ce94d2197c504008eaac46b16bc5a4" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/a9831afa2dc8a18205403907c41aa4e0950ac611" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/8121d0d4fd108280f5cd7b7fe8c6592adaa37be9" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/b0feaa8376f52357bf2fd020d0c471713a859728" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/6a18d155d5b35ad50c8fac2be091212487ae58ec" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/3a0dc2e35a5d6546b1db87fe985582dadc64fe7b" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/c828115a14eacbf42042770fd68543f134e89efa" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/0c4e87ba11eb331dca2315d484d08441b8c13193" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/8ba94a7f7b9fc2a2b808ccceb99b77135deae21a" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/ab609f25d19858513919369ff3d9a63c02cd9e2e" |
| } |
| ], |
| "title": "net: mdiobus: Fix memory leak in __mdiobus_register", |
| "x_generator": { |
| "engine": "bippy-a5840b7849dd" |
| } |
| } |
| }, |
| "cveMetadata": { |
| "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", |
| "cveID": "CVE-2021-47472", |
| "requesterUserId": "gregkh@kernel.org", |
| "serial": "1", |
| "state": "PUBLISHED" |
| }, |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0" |
| } |
