f2fs: fix to drop all dirty pages during umount() if cp_error is set

{
  "id": "1354687410a2ac03f08013aa5dea58433ba932a61cbf5ac3e5d58a8a34cf6187",
  "url": "https://osv.dev/vulnerability/CVE-2023-54124",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "f2fs: fix to drop all dirty pages during umount() if cp_error is set",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to drop all dirty pages during umount() if cp_error is set xfstest generic/361 reports a bug as below: f2fs_bug_on(sbi, sbi->fsync_node_num); kernel BUG at fs/f2fs/super.c:1627! RIP: 0010:f2fs_put_super+0x3a8/0x3b0 Call Trace: generic_shutdown_super+0x8c/0x1b0 kill_block_super+0x2b/0x60 kill_f2fs_super+0x87/0x110 deactivate_locked_super+0x39/0x80 deactivate_super+0x46/0x50 cleanup_mnt+0x109/0x170 __cleanup_mnt+0x16/0x20 task_work_run+0x65/0xa0 exit_to_user_mode_prepare+0x175/0x190 syscall_exit_to_user_mode+0x25/0x50 do_syscall_64+0x4c/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc During umount(), if cp_error is set, f2fs_wait_on_all_pages() should not stop waiting all F2FS_WB_CP_DATA pages to be writebacked, otherwise, fsync_node_num can be non-zero after f2fs_wait_on_all_pages() causing this bug. In this case, to avoid deadloop in f2fs_wait_on_all_pages(), it needs to drop all dirty pages rather than redirtying them.",
    "evidence": "osv:CVE-2023-54124",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.19.284",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.4.244",
            "evidence": "/affected/1/ranges"
          },
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            "value": "5.10.181",
            "evidence": "/affected/1/ranges"
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          {
            "value": "5.15.113",
            "evidence": "/affected/1/ranges"
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          {
            "value": "6.1.30",
            "evidence": "/affected/1/ranges"
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          {
            "value": "6.3.4",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "CVE-2023-54124",
      "aliases": [
        "CVE-2023-54124"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
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              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
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                  "fixed": "4ceedc2f8bdffb82e40b7d1bb912304f8e157cb1"
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                {
                  "fixed": "ad87bd313f70b51e48019d5ce2d02d73152356b3"
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          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-54124.json"
          }
        },
        {
          "ranges": [
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              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "4.19.0"
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          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-54124.json"
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      ],
      "modified": "2026-10-28T02:30:33.707082699Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/4ceedc2f8bdffb82e40b7d1bb912304f8e157cb1",
        "https://git.kernel.org/stable/c/7741ddc882a0c806a6508ba8203c55a779db7a21",
        "https://git.kernel.org/stable/c/82c3d6e9db41cbd3af1d4f90bdb441740b5fad10",
        "https://git.kernel.org/stable/c/92575f05a32dafb16348bfa5e62478118a9be069",
        "https://git.kernel.org/stable/c/ad87bd313f70b51e48019d5ce2d02d73152356b3",
        "https://git.kernel.org/stable/c/c9b3649a934d131151111354bcbb638076f03a30",
        "https://git.kernel.org/stable/c/d8f4ad5f3979dbd8e6251259562f12472717883a",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/54xxx/CVE-2023-54124.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-54124",
        "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/2023/54xxx/CVE-2023-54124.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-54124",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 501080,
  "published_at": "2025-12-24T13:06:43.29+00:00"
}