fkie_cve-2022-50779
Vulnerability from fkie_nvd
Published
2025-12-24 13:16
Modified
2025-12-24 13:16
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: orangefs: Fix kmemleak in orangefs_prepare_debugfs_help_string() When insert and remove the orangefs module, then debug_help_string will be leaked: unreferenced object 0xffff8881652ba000 (size 4096): comm "insmod", pid 1701, jiffies 4294893639 (age 13218.530s) hex dump (first 32 bytes): 43 6c 69 65 6e 74 20 44 65 62 75 67 20 4b 65 79 Client Debug Key 77 6f 72 64 73 20 61 72 65 20 75 6e 6b 6e 6f 77 words are unknow backtrace: [<0000000004e6f8e3>] kmalloc_trace+0x27/0xa0 [<0000000006f75d85>] orangefs_prepare_debugfs_help_string+0x5e/0x480 [orangefs] [<0000000091270a2a>] _sub_I_65535_1+0x57/0xf70 [crc_itu_t] [<000000004b1ee1a3>] do_one_initcall+0x87/0x2a0 [<000000001d0614ae>] do_init_module+0xdf/0x320 [<00000000efef068c>] load_module+0x2f98/0x3330 [<000000006533b44d>] __do_sys_finit_module+0x113/0x1b0 [<00000000a0da6f99>] do_syscall_64+0x35/0x80 [<000000007790b19b>] entry_SYSCALL_64_after_hwframe+0x46/0xb0 When remove the module, should always free debug_help_string. Should always free the allocated buffer when change the free_debug_help_string.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/19be31668552a198e887762e25bdcc560800ecb4
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2e7c09121064df93c58bbc49d3d0f608d3f584bd
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/39529b79b023713d4f2d3479dc0ca43ba99df726
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/3fc221d9a16339a913a0341d3efc7fef339073e1
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/44d3eac26a5e5268d11cc342dc202b0d31505c0a
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b8affa0c6405ee968dcb6030bee2cf719a464752
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ba9d3b9cec20957fd86bb1bf525b4ea8b64b2dea
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d23417a5bf3a3afc55de5442eb46e1e60458b0a1
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f2b8a6aac561a49fe02c99683c40a8b87a9f68fc
Impacted products
Vendor Product Version


To clipboard 

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\norangefs: Fix kmemleak in orangefs_prepare_debugfs_help_string()\n\nWhen insert and remove the orangefs module, then debug_help_string will\nbe leaked:\n\n  unreferenced object 0xffff8881652ba000 (size 4096):\n    comm \"insmod\", pid 1701, jiffies 4294893639 (age 13218.530s)\n    hex dump (first 32 bytes):\n      43 6c 69 65 6e 74 20 44 65 62 75 67 20 4b 65 79  Client Debug Key\n      77 6f 72 64 73 20 61 72 65 20 75 6e 6b 6e 6f 77  words are unknow\n    backtrace:\n      [\u003c0000000004e6f8e3\u003e] kmalloc_trace+0x27/0xa0\n      [\u003c0000000006f75d85\u003e] orangefs_prepare_debugfs_help_string+0x5e/0x480 [orangefs]\n      [\u003c0000000091270a2a\u003e] _sub_I_65535_1+0x57/0xf70 [crc_itu_t]\n      [\u003c000000004b1ee1a3\u003e] do_one_initcall+0x87/0x2a0\n      [\u003c000000001d0614ae\u003e] do_init_module+0xdf/0x320\n      [\u003c00000000efef068c\u003e] load_module+0x2f98/0x3330\n      [\u003c000000006533b44d\u003e] __do_sys_finit_module+0x113/0x1b0\n      [\u003c00000000a0da6f99\u003e] do_syscall_64+0x35/0x80\n      [\u003c000000007790b19b\u003e] entry_SYSCALL_64_after_hwframe+0x46/0xb0\n\nWhen remove the module, should always free debug_help_string. Should\nalways free the allocated buffer when change the free_debug_help_string."
    }
  ],
  "id": "CVE-2022-50779",
  "lastModified": "2025-12-24T13:16:04.740",
  "metrics": {},
  "published": "2025-12-24T13:16:04.740",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/19be31668552a198e887762e25bdcc560800ecb4"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/2e7c09121064df93c58bbc49d3d0f608d3f584bd"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/39529b79b023713d4f2d3479dc0ca43ba99df726"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/3fc221d9a16339a913a0341d3efc7fef339073e1"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/44d3eac26a5e5268d11cc342dc202b0d31505c0a"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/b8affa0c6405ee968dcb6030bee2cf719a464752"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/ba9d3b9cec20957fd86bb1bf525b4ea8b64b2dea"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/d23417a5bf3a3afc55de5442eb46e1e60458b0a1"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/f2b8a6aac561a49fe02c99683c40a8b87a9f68fc"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Received"
}


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