fs/ntfs3: Validate index root when initialize NTFS security

{
  "id": "ed43c308e86f2eb5de8fcbc853f343fa2778a5d7c5a60c774284d92cc8b29227",
  "url": "https://osv.dev/vulnerability/CVE-2022-50737",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "fs/ntfs3: Validate index root when initialize NTFS security",
    "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] [ 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 [ 16",
    "evidence": "osv:CVE-2022-50737",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "5.15.87",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.0.17",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.1.3",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "CVE-2022-50737",
      "aliases": [
        "CVE-2022-50737"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "82cae269cfa953032fbb8980a7d554d60fb00b17"
                },
                {
                  "fixed": "d7ce7bb6881aae186e50f57eea935cff8d504751"
                },
                {
                  "fixed": "24ee53c6bce15500db22f2a7aee9dd830e806c90"
                },
                {
                  "fixed": "d6379ce242960a8e9ecd6ff76f476d9336c21f16"
                },
                {
                  "fixed": "bfcdbae0523bd95eb75a739ffb6221a37109881e"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-50737.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.15.0"
                },
                {
                  "fixed": "5.15.87"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.16.0"
                },
                {
                  "fixed": "6.0.17"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.1.0"
                },
                {
                  "fixed": "6.1.3"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-50737.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:26.186357839Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/24ee53c6bce15500db22f2a7aee9dd830e806c90",
        "https://git.kernel.org/stable/c/bfcdbae0523bd95eb75a739ffb6221a37109881e",
        "https://git.kernel.org/stable/c/d6379ce242960a8e9ecd6ff76f476d9336c21f16",
        "https://git.kernel.org/stable/c/d7ce7bb6881aae186e50f57eea935cff8d504751",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50737.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2022-50737",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
      "provider_metadata": {
        "cna_assigner": "Linux",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50737.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2022-50737",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 492993,
  "published_at": "2025-12-24T13:05:36.025+00:00"
}