FKIE_CVE-2022-50737

Vulnerability from fkie_nvd - Published: 2025-12-24 13:16 - Updated: 2026-08-04 10:18
Severity
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Validate index root when initialize NTFS security This enhances the sanity check for $SDH and $SII while initializing NTFS security, guarantees these index root are legit. [ 162.459513] BUG: KASAN: use-after-free in hdr_find_e.isra.0+0x10c/0x320 [ 162.460176] Read of size 2 at addr ffff8880037bca99 by task mount/243 [ 162.460851] [ 162.461252] CPU: 0 PID: 243 Comm: mount Not tainted 6.0.0-rc7 #42 [ 162.461744] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 162.462609] Call Trace: [ 162.462954] <TASK> [ 162.463276] dump_stack_lvl+0x49/0x63 [ 162.463822] print_report.cold+0xf5/0x689 [ 162.464608] ? unwind_get_return_address+0x3a/0x60 [ 162.465766] ? hdr_find_e.isra.0+0x10c/0x320 [ 162.466975] kasan_report+0xa7/0x130 [ 162.467506] ? _raw_spin_lock_irq+0xc0/0xf0 [ 162.467998] ? hdr_find_e.isra.0+0x10c/0x320 [ 162.468536] __asan_load2+0x68/0x90 [ 162.468923] hdr_find_e.isra.0+0x10c/0x320 [ 162.469282] ? cmp_uints+0xe0/0xe0 [ 162.469557] ? cmp_sdh+0x90/0x90 [ 162.469864] ? ni_find_attr+0x214/0x300 [ 162.470217] ? ni_load_mi+0x80/0x80 [ 162.470479] ? entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 162.470931] ? ntfs_bread_run+0x190/0x190 [ 162.471307] ? indx_get_root+0xe4/0x190 [ 162.471556] ? indx_get_root+0x140/0x190 [ 162.471833] ? indx_init+0x1e0/0x1e0 [ 162.472069] ? fnd_clear+0x115/0x140 [ 162.472363] ? _raw_spin_lock_irqsave+0x100/0x100 [ 162.472731] indx_find+0x184/0x470 [ 162.473461] ? sysvec_apic_timer_interrupt+0x57/0xc0 [ 162.474429] ? indx_find_buffer+0x2d0/0x2d0 [ 162.474704] ? do_syscall_64+0x3b/0x90 [ 162.474962] dir_search_u+0x196/0x2f0 [ 162.475381] ? ntfs_nls_to_utf16+0x450/0x450 [ 162.475661] ? ntfs_security_init+0x3d6/0x440 [ 162.475906] ? is_sd_valid+0x180/0x180 [ 162.476191] ntfs_extend_init+0x13f/0x2c0 [ 162.476496] ? ntfs_fix_post_read+0x130/0x130 [ 162.476861] ? iput.part.0+0x286/0x320 [ 162.477325] ntfs_fill_super+0x11e0/0x1b50 [ 162.477709] ? put_ntfs+0x1d0/0x1d0 [ 162.477970] ? vsprintf+0x20/0x20 [ 162.478258] ? set_blocksize+0x95/0x150 [ 162.478538] get_tree_bdev+0x232/0x370 [ 162.478789] ? put_ntfs+0x1d0/0x1d0 [ 162.479038] ntfs_fs_get_tree+0x15/0x20 [ 162.479374] vfs_get_tree+0x4c/0x130 [ 162.479729] path_mount+0x654/0xfe0 [ 162.480124] ? putname+0x80/0xa0 [ 162.480484] ? finish_automount+0x2e0/0x2e0 [ 162.480894] ? putname+0x80/0xa0 [ 162.481467] ? kmem_cache_free+0x1c4/0x440 [ 162.482280] ? putname+0x80/0xa0 [ 162.482714] do_mount+0xd6/0xf0 [ 162.483264] ? path_mount+0xfe0/0xfe0 [ 162.484782] ? __kasan_check_write+0x14/0x20 [ 162.485593] __x64_sys_mount+0xca/0x110 [ 162.486024] do_syscall_64+0x3b/0x90 [ 162.486543] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 162.487141] RIP: 0033:0x7f9d374e948a [ 162.488324] 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 [ 162.489728] RSP: 002b:00007ffe30e73d18 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 162.490971] RAX: ffffffffffffffda RBX: 0000561cdb43a060 RCX: 00007f9d374e948a [ 162.491669] RDX: 0000561cdb43a260 RSI: 0000561cdb43a2e0 RDI: 0000561cdb442af0 [ 162.492050] RBP: 0000000000000000 R08: 0000561cdb43a280 R09: 0000000000000020 [ 162.492459] R10: 00000000c0ed0000 R11: 0000000000000206 R12: 0000561cdb442af0 [ 162.493183] R13: 0000561cdb43a260 R14: 0000000000000000 R15: 00000000ffffffff [ 162.493644] </TASK> [ 162.493908] [ 162.494214] The buggy address belongs to the physical page: [ 162.494761] page:000000003e38a3d5 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x37bc [ 162.496064] flags: 0xfffffc0000000(node=0|zone=1|lastcpupid=0x1fffff) [ 162.497278] raw: 000fffffc0000000 ffffea00000df1c8 ffffea00000df008 0000000000000000 [ 162.498928] raw: 0000000000000000 0000000000240000 0 ---truncated---
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/24ee53c6bce15500db22f2a7aee9dd830e806c90
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/bfcdbae0523bd95eb75a739ffb6221a37109881e
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d6379ce242960a8e9ecd6ff76f476d9336c21f16
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d7ce7bb6881aae186e50f57eea935cff8d504751
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/ntfs3/fsntfs.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "d7ce7bb6881aae186e50f57eea935cff8d504751",
              "status": "affected",
              "version": "82cae269cfa953032fbb8980a7d554d60fb00b17",
              "versionType": "git"
            },
            {
              "lessThan": "24ee53c6bce15500db22f2a7aee9dd830e806c90",
              "status": "affected",
              "version": "82cae269cfa953032fbb8980a7d554d60fb00b17",
              "versionType": "git"
            },
            {
              "lessThan": "d6379ce242960a8e9ecd6ff76f476d9336c21f16",
              "status": "affected",
              "version": "82cae269cfa953032fbb8980a7d554d60fb00b17",
              "versionType": "git"
            },
            {
              "lessThan": "bfcdbae0523bd95eb75a739ffb6221a37109881e",
              "status": "affected",
              "version": "82cae269cfa953032fbb8980a7d554d60fb00b17",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "fs/ntfs3/fsntfs.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.15"
            },
            {
              "lessThan": "5.15",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.87",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.0.*",
              "status": "unaffected",
              "version": "6.0.17",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.3",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.2",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfs/ntfs3: Validate index root when initialize NTFS security\n\nThis enhances the sanity check for $SDH and $SII while initializing NTFS\nsecurity, guarantees these index root are legit.\n\n[  162.459513] BUG: KASAN: use-after-free in hdr_find_e.isra.0+0x10c/0x320\n[  162.460176] Read of size 2 at addr ffff8880037bca99 by task mount/243\n[  162.460851]\n[  162.461252] CPU: 0 PID: 243 Comm: mount Not tainted 6.0.0-rc7 #42\n[  162.461744] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014\n[  162.462609] Call Trace:\n[  162.462954]  \u003cTASK\u003e\n[  162.463276]  dump_stack_lvl+0x49/0x63\n[  162.463822]  print_report.cold+0xf5/0x689\n[  162.464608]  ? unwind_get_return_address+0x3a/0x60\n[  162.465766]  ? hdr_find_e.isra.0+0x10c/0x320\n[  162.466975]  kasan_report+0xa7/0x130\n[  162.467506]  ? _raw_spin_lock_irq+0xc0/0xf0\n[  162.467998]  ? hdr_find_e.isra.0+0x10c/0x320\n[  162.468536]  __asan_load2+0x68/0x90\n[  162.468923]  hdr_find_e.isra.0+0x10c/0x320\n[  162.469282]  ? cmp_uints+0xe0/0xe0\n[  162.469557]  ? cmp_sdh+0x90/0x90\n[  162.469864]  ? ni_find_attr+0x214/0x300\n[  162.470217]  ? ni_load_mi+0x80/0x80\n[  162.470479]  ? entry_SYSCALL_64_after_hwframe+0x63/0xcd\n[  162.470931]  ? ntfs_bread_run+0x190/0x190\n[  162.471307]  ? indx_get_root+0xe4/0x190\n[  162.471556]  ? indx_get_root+0x140/0x190\n[  162.471833]  ? indx_init+0x1e0/0x1e0\n[  162.472069]  ? fnd_clear+0x115/0x140\n[  162.472363]  ? _raw_spin_lock_irqsave+0x100/0x100\n[  162.472731]  indx_find+0x184/0x470\n[  162.473461]  ? sysvec_apic_timer_interrupt+0x57/0xc0\n[  162.474429]  ? indx_find_buffer+0x2d0/0x2d0\n[  162.474704]  ? do_syscall_64+0x3b/0x90\n[  162.474962]  dir_search_u+0x196/0x2f0\n[  162.475381]  ? ntfs_nls_to_utf16+0x450/0x450\n[  162.475661]  ? ntfs_security_init+0x3d6/0x440\n[  162.475906]  ? is_sd_valid+0x180/0x180\n[  162.476191]  ntfs_extend_init+0x13f/0x2c0\n[  162.476496]  ? ntfs_fix_post_read+0x130/0x130\n[  162.476861]  ? iput.part.0+0x286/0x320\n[  162.477325]  ntfs_fill_super+0x11e0/0x1b50\n[  162.477709]  ? put_ntfs+0x1d0/0x1d0\n[  162.477970]  ? vsprintf+0x20/0x20\n[  162.478258]  ? set_blocksize+0x95/0x150\n[  162.478538]  get_tree_bdev+0x232/0x370\n[  162.478789]  ? put_ntfs+0x1d0/0x1d0\n[  162.479038]  ntfs_fs_get_tree+0x15/0x20\n[  162.479374]  vfs_get_tree+0x4c/0x130\n[  162.479729]  path_mount+0x654/0xfe0\n[  162.480124]  ? putname+0x80/0xa0\n[  162.480484]  ? finish_automount+0x2e0/0x2e0\n[  162.480894]  ? putname+0x80/0xa0\n[  162.481467]  ? kmem_cache_free+0x1c4/0x440\n[  162.482280]  ? putname+0x80/0xa0\n[  162.482714]  do_mount+0xd6/0xf0\n[  162.483264]  ? path_mount+0xfe0/0xfe0\n[  162.484782]  ? __kasan_check_write+0x14/0x20\n[  162.485593]  __x64_sys_mount+0xca/0x110\n[  162.486024]  do_syscall_64+0x3b/0x90\n[  162.486543]  entry_SYSCALL_64_after_hwframe+0x63/0xcd\n[  162.487141] RIP: 0033:0x7f9d374e948a\n[  162.488324] 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[  162.489728] RSP: 002b:00007ffe30e73d18 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5\n[  162.490971] RAX: ffffffffffffffda RBX: 0000561cdb43a060 RCX: 00007f9d374e948a\n[  162.491669] RDX: 0000561cdb43a260 RSI: 0000561cdb43a2e0 RDI: 0000561cdb442af0\n[  162.492050] RBP: 0000000000000000 R08: 0000561cdb43a280 R09: 0000000000000020\n[  162.492459] R10: 00000000c0ed0000 R11: 0000000000000206 R12: 0000561cdb442af0\n[  162.493183] R13: 0000561cdb43a260 R14: 0000000000000000 R15: 00000000ffffffff\n[  162.493644]  \u003c/TASK\u003e\n[  162.493908]\n[  162.494214] The buggy address belongs to the physical page:\n[  162.494761] page:000000003e38a3d5 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x37bc\n[  162.496064] flags: 0xfffffc0000000(node=0|zone=1|lastcpupid=0x1fffff)\n[  162.497278] raw: 000fffffc0000000 ffffea00000df1c8 ffffea00000df008 0000000000000000\n[  162.498928] raw: 0000000000000000 0000000000240000 0\n---truncated---"
    }
  ],
  "id": "CVE-2022-50737",
  "lastModified": "2026-08-04T10:18:22.597",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9,
        "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "type": "Secondary"
      }
    ]
  },
  "published": "2025-12-24T13:16:00.397",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/24ee53c6bce15500db22f2a7aee9dd830e806c90"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/bfcdbae0523bd95eb75a739ffb6221a37109881e"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/d6379ce242960a8e9ecd6ff76f476d9336c21f16"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/d7ce7bb6881aae186e50f57eea935cff8d504751"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Deferred"
}



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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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