gsd-2021-47173
Vulnerability from gsd
Modified
2024-04-03 05:03
Details
In the Linux kernel, the following vulnerability has been resolved: misc/uss720: fix memory leak in uss720_probe uss720_probe forgets to decrease the refcount of usbdev in uss720_probe. Fix this by decreasing the refcount of usbdev by usb_put_dev. BUG: memory leak unreferenced object 0xffff888101113800 (size 2048): comm "kworker/0:1", pid 7, jiffies 4294956777 (age 28.870s) hex dump (first 32 bytes): ff ff ff ff 31 00 00 00 00 00 00 00 00 00 00 00 ....1........... 00 00 00 00 00 00 00 00 00 00 00 00 03 00 00 00 ................ backtrace: [<ffffffff82b8e822>] kmalloc include/linux/slab.h:554 [inline] [<ffffffff82b8e822>] kzalloc include/linux/slab.h:684 [inline] [<ffffffff82b8e822>] usb_alloc_dev+0x32/0x450 drivers/usb/core/usb.c:582 [<ffffffff82b98441>] hub_port_connect drivers/usb/core/hub.c:5129 [inline] [<ffffffff82b98441>] hub_port_connect_change drivers/usb/core/hub.c:5363 [inline] [<ffffffff82b98441>] port_event drivers/usb/core/hub.c:5509 [inline] [<ffffffff82b98441>] hub_event+0x1171/0x20c0 drivers/usb/core/hub.c:5591 [<ffffffff81259229>] process_one_work+0x2c9/0x600 kernel/workqueue.c:2275 [<ffffffff81259b19>] worker_thread+0x59/0x5d0 kernel/workqueue.c:2421 [<ffffffff81261228>] kthread+0x178/0x1b0 kernel/kthread.c:292 [<ffffffff8100227f>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
Aliases


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{
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-47173"
      ],
      "details": "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    [\u003cffffffff82b8e822\u003e] kmalloc include/linux/slab.h:554 [inline]\n    [\u003cffffffff82b8e822\u003e] kzalloc include/linux/slab.h:684 [inline]\n    [\u003cffffffff82b8e822\u003e] usb_alloc_dev+0x32/0x450 drivers/usb/core/usb.c:582\n    [\u003cffffffff82b98441\u003e] hub_port_connect drivers/usb/core/hub.c:5129 [inline]\n    [\u003cffffffff82b98441\u003e] hub_port_connect_change drivers/usb/core/hub.c:5363 [inline]\n    [\u003cffffffff82b98441\u003e] port_event drivers/usb/core/hub.c:5509 [inline]\n    [\u003cffffffff82b98441\u003e] hub_event+0x1171/0x20c0 drivers/usb/core/hub.c:5591\n    [\u003cffffffff81259229\u003e] process_one_work+0x2c9/0x600 kernel/workqueue.c:2275\n    [\u003cffffffff81259b19\u003e] worker_thread+0x59/0x5d0 kernel/workqueue.c:2421\n    [\u003cffffffff81261228\u003e] kthread+0x178/0x1b0 kernel/kthread.c:292\n    [\u003cffffffff8100227f\u003e] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294",
      "id": "GSD-2021-47173",
      "modified": "2024-04-03T05:03:55.004555Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "cve@kernel.org",
        "ID": "CVE-2021-47173",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "Linux",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c",
                          "version_name": "0f36163d3abe",
                          "version_value": "5f46b2410db2"
                        },
                        {
                          "version_value": "not down converted",
                          "x_cve_json_5_version_data": {
                            "defaultStatus": "affected",
                            "versions": [
                              {
                                "status": "affected",
                                "version": "2.6.14"
                              },
                              {
                                "lessThan": "2.6.14",
                                "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": "5.4.124",
                                "versionType": "custom"
                              },
                              {
                                "lessThanOrEqual": "5.10.*",
                                "status": "unaffected",
                                "version": "5.10.42",
                                "versionType": "custom"
                              },
                              {
                                "lessThanOrEqual": "5.12.*",
                                "status": "unaffected",
                                "version": "5.12.9",
                                "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\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    [\u003cffffffff82b8e822\u003e] kmalloc include/linux/slab.h:554 [inline]\n    [\u003cffffffff82b8e822\u003e] kzalloc include/linux/slab.h:684 [inline]\n    [\u003cffffffff82b8e822\u003e] usb_alloc_dev+0x32/0x450 drivers/usb/core/usb.c:582\n    [\u003cffffffff82b98441\u003e] hub_port_connect drivers/usb/core/hub.c:5129 [inline]\n    [\u003cffffffff82b98441\u003e] hub_port_connect_change drivers/usb/core/hub.c:5363 [inline]\n    [\u003cffffffff82b98441\u003e] port_event drivers/usb/core/hub.c:5509 [inline]\n    [\u003cffffffff82b98441\u003e] hub_event+0x1171/0x20c0 drivers/usb/core/hub.c:5591\n    [\u003cffffffff81259229\u003e] process_one_work+0x2c9/0x600 kernel/workqueue.c:2275\n    [\u003cffffffff81259b19\u003e] worker_thread+0x59/0x5d0 kernel/workqueue.c:2421\n    [\u003cffffffff81261228\u003e] kthread+0x178/0x1b0 kernel/kthread.c:292\n    [\u003cffffffff8100227f\u003e] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294"
          }
        ]
      },
      "generator": {
        "engine": "bippy-b4257b672505"
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "n/a"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://git.kernel.org/stable/c/5f46b2410db2c8f26b8bb91b40deebf4ec184391",
            "refsource": "MISC",
            "url": "https://git.kernel.org/stable/c/5f46b2410db2c8f26b8bb91b40deebf4ec184391"
          },
          {
            "name": "https://git.kernel.org/stable/c/7889c70e6173ef358f3cd7578db127a489035a42",
            "refsource": "MISC",
            "url": "https://git.kernel.org/stable/c/7889c70e6173ef358f3cd7578db127a489035a42"
          },
          {
            "name": "https://git.kernel.org/stable/c/bcb30cc8f8befcbdbcf7a016e4dfd4747c54a364",
            "refsource": "MISC",
            "url": "https://git.kernel.org/stable/c/bcb30cc8f8befcbdbcf7a016e4dfd4747c54a364"
          },
          {
            "name": "https://git.kernel.org/stable/c/386918878ce4cd676e4607233866e03c9399a46a",
            "refsource": "MISC",
            "url": "https://git.kernel.org/stable/c/386918878ce4cd676e4607233866e03c9399a46a"
          },
          {
            "name": "https://git.kernel.org/stable/c/36b5ff1db1a4ef4fdbc2bae364344279f033ad88",
            "refsource": "MISC",
            "url": "https://git.kernel.org/stable/c/36b5ff1db1a4ef4fdbc2bae364344279f033ad88"
          },
          {
            "name": "https://git.kernel.org/stable/c/5394ae9d8c7961dd93807fdf1b12a1dde96b0a55",
            "refsource": "MISC",
            "url": "https://git.kernel.org/stable/c/5394ae9d8c7961dd93807fdf1b12a1dde96b0a55"
          },
          {
            "name": "https://git.kernel.org/stable/c/a3c3face38cb49932c62adcc1289914f1c742096",
            "refsource": "MISC",
            "url": "https://git.kernel.org/stable/c/a3c3face38cb49932c62adcc1289914f1c742096"
          },
          {
            "name": "https://git.kernel.org/stable/c/dcb4b8ad6a448532d8b681b5d1a7036210b622de",
            "refsource": "MISC",
            "url": "https://git.kernel.org/stable/c/dcb4b8ad6a448532d8b681b5d1a7036210b622de"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "cve": {
        "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    [\u003cffffffff82b8e822\u003e] kmalloc include/linux/slab.h:554 [inline]\n    [\u003cffffffff82b8e822\u003e] kzalloc include/linux/slab.h:684 [inline]\n    [\u003cffffffff82b8e822\u003e] usb_alloc_dev+0x32/0x450 drivers/usb/core/usb.c:582\n    [\u003cffffffff82b98441\u003e] hub_port_connect drivers/usb/core/hub.c:5129 [inline]\n    [\u003cffffffff82b98441\u003e] hub_port_connect_change drivers/usb/core/hub.c:5363 [inline]\n    [\u003cffffffff82b98441\u003e] port_event drivers/usb/core/hub.c:5509 [inline]\n    [\u003cffffffff82b98441\u003e] hub_event+0x1171/0x20c0 drivers/usb/core/hub.c:5591\n    [\u003cffffffff81259229\u003e] process_one_work+0x2c9/0x600 kernel/workqueue.c:2275\n    [\u003cffffffff81259b19\u003e] worker_thread+0x59/0x5d0 kernel/workqueue.c:2421\n    [\u003cffffffff81261228\u003e] kthread+0x178/0x1b0 kernel/kthread.c:292\n    [\u003cffffffff8100227f\u003e] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294"
          },
          {
            "lang": "es",
            "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: misc/uss720: corrige la p\u00e9rdida de memoria en uss720_probe uss720_probe olvida disminuir el recuento de usbdev en uss720_probe. Solucione este problema disminuyendo el recuento de usbdev por usb_put_dev. ERROR: p\u00e9rdida de memoria, objeto sin referencia 0xffff888101113800 (tama\u00f1o 2048): comunicaci\u00f3n \"kworker/0:1\", pid 7, jiffies 4294956777 (edad 28,870 s) volcado hexadecimal (primeros 32 bytes): ff ff ff ff 31 00 00 00 00 00 00 00 00 00 00 00 ....1.......... 00 00 00 00 00 00 00 00 00 00 00 00 03 00 00 00 ................. ... seguimiento: [] kmalloc include/linux/slab.h:554 [en l\u00ednea] [] kzalloc include/linux/slab.h:684 [en l\u00ednea] [] usb_alloc_dev+0x32/ 0x450 controladores/usb/core/usb.c:582 [] hub_port_connect drivers/usb/core/hub.c:5129 [en l\u00ednea] [] hub_port_connect_change drivers/usb/core/hub.c:5363 [ en l\u00ednea] [] port_event drivers/usb/core/hub.c:5509 [en l\u00ednea] [] hub_event+0x1171/0x20c0 drivers/usb/core/hub.c:5591 [] Process_one_work+ 0x2c9/0x600 kernel/workqueue.c:2275 [] trabajador_thread+0x59/0x5d0 kernel/workqueue.c:2421 [] kthread+0x178/0x1b0 kernel/kthread.c:292 [ ] ret_from_fork +0x1f/0x30 arco/x86/entrada/entrada_64.S:294"
          }
        ],
        "id": "CVE-2021-47173",
        "lastModified": "2024-03-25T13:47:14.087",
        "metrics": {},
        "published": "2024-03-25T10:15:09.010",
        "references": [
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/36b5ff1db1a4ef4fdbc2bae364344279f033ad88"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/386918878ce4cd676e4607233866e03c9399a46a"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/5394ae9d8c7961dd93807fdf1b12a1dde96b0a55"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/5f46b2410db2c8f26b8bb91b40deebf4ec184391"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/7889c70e6173ef358f3cd7578db127a489035a42"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/a3c3face38cb49932c62adcc1289914f1c742096"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/bcb30cc8f8befcbdbcf7a016e4dfd4747c54a364"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/dcb4b8ad6a448532d8b681b5d1a7036210b622de"
          }
        ],
        "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "vulnStatus": "Awaiting Analysis"
      }
    }
  }
}


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