{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmisc/uss720: fix memory leak in uss720_probe\n\nuss720_probe forgets to decrease the refcount of usbdev in uss720_probe.\nFix this by decreasing the refcount of usbdev by usb_put_dev.\n\nBUG: memory leak\nunreferenced object 0xffff888101113800 (size 2048):\n  comm \"kworker/0:1\", pid 7, jiffies 4294956777 (age 28.870s)\n  hex dump (first 32 bytes):\n    ff ff ff ff 31 00 00 00 00 00 00 00 00 00 00 00  ....1...........\n    00 00 00 00 00 00 00 00 00 00 00 00 03 00 00 00  ................\n  backtrace:\n    [<ffffffff82b8e822>] kmalloc include/linux/slab.h:554 [inline]\n    [<ffffffff82b8e822>] kzalloc include/linux/slab.h:684 [inline]\n    [<ffffffff82b8e822>] usb_alloc_dev+0x32/0x450 drivers/usb/core/usb.c:582\n    [<ffffffff82b98441>] hub_port_connect drivers/usb/core/hub.c:5129 [inline]\n    [<ffffffff82b98441>] hub_port_connect_change drivers/usb/core/hub.c:5363 [inline]\n    [<ffffffff82b98441>] port_event drivers/usb/core/hub.c:5509 [inline]\n    [<ffffffff82b98441>] hub_event+0x1171/0x20c0 drivers/usb/core/hub.c:5591\n    [<ffffffff81259229>] process_one_work+0x2c9/0x600 kernel/workqueue.c:2275\n    [<ffffffff81259b19>] worker_thread+0x59/0x5d0 kernel/workqueue.c:2421\n    [<ffffffff81261228>] kthread+0x178/0x1b0 kernel/kthread.c:292\n    [<ffffffff8100227f>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294"
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "drivers/usb/misc/uss720.c"
               ],
               "versions": [
                  {
                     "version": "0f36163d3abe",
                     "lessThan": "5f46b2410db2",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "0f36163d3abe",
                     "lessThan": "7889c70e6173",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "0f36163d3abe",
                     "lessThan": "bcb30cc8f8be",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "0f36163d3abe",
                     "lessThan": "386918878ce4",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "0f36163d3abe",
                     "lessThan": "36b5ff1db1a4",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "0f36163d3abe",
                     "lessThan": "5394ae9d8c79",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "0f36163d3abe",
                     "lessThan": "a3c3face38cb",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "0f36163d3abe",
                     "lessThan": "dcb4b8ad6a44",
                     "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/usb/misc/uss720.c"
               ],
               "versions": [
                  {
                     "version": "2.6.14",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "2.6.14",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "4.4.271",
                     "lessThanOrEqual": "4.4.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "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",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.4.124",
                     "lessThanOrEqual": "5.4.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.10.42",
                     "lessThanOrEqual": "5.10.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.12.9",
                     "lessThanOrEqual": "5.12.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.13",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/5f46b2410db2c8f26b8bb91b40deebf4ec184391"
            },
            {
               "url": "https://git.kernel.org/stable/c/7889c70e6173ef358f3cd7578db127a489035a42"
            },
            {
               "url": "https://git.kernel.org/stable/c/bcb30cc8f8befcbdbcf7a016e4dfd4747c54a364"
            },
            {
               "url": "https://git.kernel.org/stable/c/386918878ce4cd676e4607233866e03c9399a46a"
            },
            {
               "url": "https://git.kernel.org/stable/c/36b5ff1db1a4ef4fdbc2bae364344279f033ad88"
            },
            {
               "url": "https://git.kernel.org/stable/c/5394ae9d8c7961dd93807fdf1b12a1dde96b0a55"
            },
            {
               "url": "https://git.kernel.org/stable/c/a3c3face38cb49932c62adcc1289914f1c742096"
            },
            {
               "url": "https://git.kernel.org/stable/c/dcb4b8ad6a448532d8b681b5d1a7036210b622de"
            }
         ],
         "title": "misc/uss720: fix memory leak in uss720_probe",
         "x_generator": {
            "engine": "bippy-a5840b7849dd"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2021-47173",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}