{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2022-50739",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2022-50739",
    "idYear": 2022,
    "status": "PUBLISHED",
    "publishedAt": "2025-12-24T13:05:37.468Z",
    "updatedAt": "2026-05-11T19:24:34.879Z",
    "importedAt": "2026-10-24T01:56:49.724Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": "fs/ntfs3: Add null pointer check for inode operations",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nfs/ntfs3: Add null pointer check for inode operations\n\nThis adds a sanity check for the i_op pointer of the inode which is\nreturned after reading Root directory MFT record. We should check the\ni_op is valid before trying to create the root dentry, otherwise we may\nencounter a NPD while mounting a image with a funny Root directory MFT\nrecord.\n\n[  114.484325] BUG: kernel NULL pointer dereference, address: 0000000000000008\n[  114.484811] #PF: supervisor read access in kernel mode\n[  114.485084] #PF: error_code(0x0000) - not-present page\n[  114.485606] PGD 0 P4D 0\n[  114.485975] Oops: 0000 [#1] PREEMPT SMP KASAN NOPTI\n[  114.486570] CPU: 0 PID: 237 Comm: mount Tainted: G    B              6.0.0-rc4 #28\n[  114.486977] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014\n[  114.488169] RIP: 0010:d_flags_for_inode+0xe0/0x110\n[  114.488816] Code: 24 f7 ff 49 83 3e 00 74 41 41 83 cd 02 66 44 89 6b 02 eb 92 48 8d 7b 20 e8 6d 24 f7 ff 4c 8b 73 20 49 8d 7e 08 e8 60 241\n[  114.490326] RSP: 0018:ffff8880065e7aa8 EFLAGS: 00000296\n[  114.490695] RAX: 0000000000000001 RBX: ffff888008ccd750 RCX: ffffffff84af2aea\n[  114.490986] RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffffffff87abd020\n[  114.491364] RBP: ffff8880065e7ac8 R08: 0000000000000001 R09: fffffbfff0f57a05\n[  114.491675] R10: ffffffff87abd027 R11: fffffbfff0f57a04 R12: 0000000000000000\n[  114.491954] R13: 0000000000000008 R14: 0000000000000000 R15: ffff888008ccd750\n[  114.492397] FS:  00007fdc8a627e40(0000) GS:ffff888058200000(0000) knlGS:0000000000000000\n[  114.492797] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[  114.493150] CR2: 0000000000000008 CR3: 00000000013ba000 CR4: 00000000000006f0\n[  114.493671] Call Trace:\n[  114.493890]  <TASK>\n[  114.494075]  __d_instantiate+0x24/0x1c0\n[  114.494505]  d_instantiate.part.0+0x35/0x50\n[  114.494754]  d_make_root+0x53/0x80\n[  114.494998]  ntfs_fill_super+0x1232/0x1b50\n[  114.495260]  ? put_ntfs+0x1d0/0x1d0\n[  114.495499]  ? vsprintf+0x20/0x20\n[  114.495723]  ? set_blocksize+0x95/0x150\n[  114.495964]  get_tree_bdev+0x232/0x370\n[  114.496272]  ? put_ntfs+0x1d0/0x1d0\n[  114.496502]  ntfs_fs_get_tree+0x15/0x20\n[  114.496859]  vfs_get_tree+0x4c/0x130\n[  114.497099]  path_mount+0x654/0xfe0\n[  114.497507]  ? putname+0x80/0xa0\n[  114.497933]  ? finish_automount+0x2e0/0x2e0\n[  114.498362]  ? putname+0x80/0xa0\n[  114.498571]  ? kmem_cache_free+0x1c4/0x440\n[  114.498819]  ? putname+0x80/0xa0\n[  114.499069]  do_mount+0xd6/0xf0\n[  114.499343]  ? path_mount+0xfe0/0xfe0\n[  114.499683]  ? __kasan_check_write+0x14/0x20\n[  114.500133]  __x64_sys_mount+0xca/0x110\n[  114.500592]  do_syscall_64+0x3b/0x90\n[  114.500930]  entry_SYSCALL_64_after_hwframe+0x63/0xcd\n[  114.501294] RIP: 0033:0x7fdc898e948a\n[  114.501542] Code: 48 8b 0d 11 fa 2a 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 49 89 ca b8 a5 00 00 008\n[  114.502716] RSP: 002b:00007ffd793e58f8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5\n[  114.503175] RAX: ffffffffffffffda RBX: 0000564b2228f060 RCX: 00007fdc898e948a\n[  114.503588] RDX: 0000564b2228f260 RSI: 0000564b2228f2e0 RDI: 0000564b22297ce0\n[  114.504925] RBP: 0000000000000000 R08: 0000564b2228f280 R09: 0000000000000020\n[  114.505484] R10: 00000000c0ed0000 R11: 0000000000000202 R12: 0000564b22297ce0\n[  114.505823] R13: 0000564b2228f260 R14: 0000000000000000 R15: 00000000ffffffff\n[  114.506562]  </TASK>\n[  114.506887] Modules linked in:\n[  114.507648] CR2: 0000000000000008\n[  114.508884] ---[ end trace 0000000000000000 ]---\n[  114.509675] RIP: 0010:d_flags_for_inode+0xe0/0x110\n[  114.510140] Code: 24 f7 ff 49 83 3e 00 74 41 41 83 cd 02 66 44 89 6b 02 eb 92 48 8d 7b 20 e8 6d 24 f7 ff 4c 8b 73 20 49 8d 7e 08 e8 60 241\n[  114.511762] RSP: 0018:ffff8880065e7aa8 EFLAGS: 00000296\n[  114.512401] RAX: 0000000000000001 RBX: ffff888008ccd750 RCX: ffffffff84af2aea\n[  114.51\n---truncated---",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "82cae269cfa953032fbb8980a7d554d60fb00b17",
              "status": "affected",
              "versionType": "git",
              "lessThan": "f62506f5e45afbb01c84c3f28a2878b320a0b0f7"
            },
            {
              "version": "82cae269cfa953032fbb8980a7d554d60fb00b17",
              "status": "affected",
              "versionType": "git",
              "lessThan": "9f24743ddcdd3683b0a6b16e1439ad091dc3489b"
            },
            {
              "version": "82cae269cfa953032fbb8980a7d554d60fb00b17",
              "status": "affected",
              "versionType": "git",
              "lessThan": "a7b23037b38b577d9a4372e0c6b7c9fe808070c1"
            },
            {
              "version": "82cae269cfa953032fbb8980a7d554d60fb00b17",
              "status": "affected",
              "versionType": "git",
              "lessThan": "c1ca8ef0262b25493631ecbd9cb8c9893e1481a1"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.15",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.15"
            },
            {
              "version": "5.15.87",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.0.17",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.0.*"
            },
            {
              "version": "6.1.3",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.2",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}