fkie_cve-2022-50566
Vulnerability from fkie_nvd
Published
2025-10-22 14:15
Modified
2025-10-22 21:12
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: mtd: Fix device name leak when register device failed in add_mtd_device() There is a kmemleak when register device failed: unreferenced object 0xffff888101aab550 (size 8): comm "insmod", pid 3922, jiffies 4295277753 (age 925.408s) hex dump (first 8 bytes): 6d 74 64 30 00 88 ff ff mtd0.... backtrace: [<00000000bde26724>] __kmalloc_node_track_caller+0x4e/0x150 [<000000003c32b416>] kvasprintf+0xb0/0x130 [<000000001f7a8f15>] kobject_set_name_vargs+0x2f/0xb0 [<000000006e781163>] dev_set_name+0xab/0xe0 [<00000000e30d0c78>] add_mtd_device+0x4bb/0x700 [<00000000f3d34de7>] mtd_device_parse_register+0x2ac/0x3f0 [<00000000c0d88488>] 0xffffffffa0238457 [<00000000b40d0922>] 0xffffffffa02a008f [<0000000023d17b9d>] do_one_initcall+0x87/0x2a0 [<00000000770f6ca6>] do_init_module+0xdf/0x320 [<000000007b6768fe>] load_module+0x2f98/0x3330 [<00000000346bed5a>] __do_sys_finit_module+0x113/0x1b0 [<00000000674c2290>] do_syscall_64+0x35/0x80 [<000000004c6a8d97>] entry_SYSCALL_64_after_hwframe+0x46/0xb0 If register device failed, should call put_device() to give up the reference.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/1b172fb05d6315ecec082fd7544a3390e96f0d7e
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2302e2dc42b1f84f951c725ce742fc21c5a1e151
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/330bc5533e8a8ed69cb951d5a8edce9bddb9db21
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/71212d73184845c944ef1b43f092e643e5bde003
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/895d68a39481a75c680aa421546931fb11942fa6
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a75f45afa932bfb24a2603ebcea5efd2e7cdcfd6
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/bcabe1dc2a344adbb3382930a23e273ba9382277
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/db07fe76df01f40cb897d6e9066b84e46957beb3
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/fa0d32ab8407d7481450c664fd0de64f2dae9489
Impacted products
Vendor Product Version


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{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmtd: Fix device name leak when register device failed in add_mtd_device()\n\nThere is a kmemleak when register device failed:\n  unreferenced object 0xffff888101aab550 (size 8):\n    comm \"insmod\", pid 3922, jiffies 4295277753 (age 925.408s)\n    hex dump (first 8 bytes):\n      6d 74 64 30 00 88 ff ff                          mtd0....\n    backtrace:\n      [\u003c00000000bde26724\u003e] __kmalloc_node_track_caller+0x4e/0x150\n      [\u003c000000003c32b416\u003e] kvasprintf+0xb0/0x130\n      [\u003c000000001f7a8f15\u003e] kobject_set_name_vargs+0x2f/0xb0\n      [\u003c000000006e781163\u003e] dev_set_name+0xab/0xe0\n      [\u003c00000000e30d0c78\u003e] add_mtd_device+0x4bb/0x700\n      [\u003c00000000f3d34de7\u003e] mtd_device_parse_register+0x2ac/0x3f0\n      [\u003c00000000c0d88488\u003e] 0xffffffffa0238457\n      [\u003c00000000b40d0922\u003e] 0xffffffffa02a008f\n      [\u003c0000000023d17b9d\u003e] do_one_initcall+0x87/0x2a0\n      [\u003c00000000770f6ca6\u003e] do_init_module+0xdf/0x320\n      [\u003c000000007b6768fe\u003e] load_module+0x2f98/0x3330\n      [\u003c00000000346bed5a\u003e] __do_sys_finit_module+0x113/0x1b0\n      [\u003c00000000674c2290\u003e] do_syscall_64+0x35/0x80\n      [\u003c000000004c6a8d97\u003e] entry_SYSCALL_64_after_hwframe+0x46/0xb0\n\nIf register device failed, should call put_device() to give up the\nreference."
    }
  ],
  "id": "CVE-2022-50566",
  "lastModified": "2025-10-22T21:12:48.953",
  "metrics": {},
  "published": "2025-10-22T14:15:41.420",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/1b172fb05d6315ecec082fd7544a3390e96f0d7e"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/2302e2dc42b1f84f951c725ce742fc21c5a1e151"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/330bc5533e8a8ed69cb951d5a8edce9bddb9db21"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/71212d73184845c944ef1b43f092e643e5bde003"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/895d68a39481a75c680aa421546931fb11942fa6"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/a75f45afa932bfb24a2603ebcea5efd2e7cdcfd6"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/bcabe1dc2a344adbb3382930a23e273ba9382277"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/db07fe76df01f40cb897d6e9066b84e46957beb3"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/fa0d32ab8407d7481450c664fd0de64f2dae9489"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Awaiting Analysis"
}


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