fkie_cve-2022-50451
Vulnerability from fkie_nvd
Published
2025-10-01 12:15
Modified
2025-10-02 19:12
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Fix memory leak on ntfs_fill_super() error path syzbot reported kmemleak as below: BUG: memory leak unreferenced object 0xffff8880122f1540 (size 32): comm "a.out", pid 6664, jiffies 4294939771 (age 25.500s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 ed ff ed ff 00 00 00 00 ................ backtrace: [<ffffffff81b16052>] ntfs_init_fs_context+0x22/0x1c0 [<ffffffff8164aaa7>] alloc_fs_context+0x217/0x430 [<ffffffff81626dd4>] path_mount+0x704/0x1080 [<ffffffff81627e7c>] __x64_sys_mount+0x18c/0x1d0 [<ffffffff84593e14>] do_syscall_64+0x34/0xb0 [<ffffffff84600087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd This patch fixes this issue by freeing mount options on error path of ntfs_fill_super().
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2600c80ea7b39f987c3fa89287e73d62e322bbbd
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2dd9ccfb06bcdad30ad92d96c3affa38a458679e
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/51e76a232f8c037f1d9e9922edc25b003d5f3414
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ff0df7d9cdbb12878155168b5234e99029e5377f
Impacted products
Vendor Product Version


To clipboard 

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfs/ntfs3: Fix memory leak on ntfs_fill_super() error path\n\nsyzbot reported kmemleak as below:\n\nBUG: memory leak\nunreferenced object 0xffff8880122f1540 (size 32):\n  comm \"a.out\", pid 6664, jiffies 4294939771 (age 25.500s)\n  hex dump (first 32 bytes):\n    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................\n    00 00 00 00 00 00 00 00 ed ff ed ff 00 00 00 00  ................\n  backtrace:\n    [\u003cffffffff81b16052\u003e] ntfs_init_fs_context+0x22/0x1c0\n    [\u003cffffffff8164aaa7\u003e] alloc_fs_context+0x217/0x430\n    [\u003cffffffff81626dd4\u003e] path_mount+0x704/0x1080\n    [\u003cffffffff81627e7c\u003e] __x64_sys_mount+0x18c/0x1d0\n    [\u003cffffffff84593e14\u003e] do_syscall_64+0x34/0xb0\n    [\u003cffffffff84600087\u003e] entry_SYSCALL_64_after_hwframe+0x63/0xcd\n\nThis patch fixes this issue by freeing mount options on error path of\nntfs_fill_super()."
    }
  ],
  "id": "CVE-2022-50451",
  "lastModified": "2025-10-02T19:12:17.160",
  "metrics": {},
  "published": "2025-10-01T12:15:38.050",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/2600c80ea7b39f987c3fa89287e73d62e322bbbd"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/2dd9ccfb06bcdad30ad92d96c3affa38a458679e"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/51e76a232f8c037f1d9e9922edc25b003d5f3414"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/ff0df7d9cdbb12878155168b5234e99029e5377f"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Awaiting Analysis"
}


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