{
  "cveId": "CVE-2025-23132",
  "url": "https://patchblox.com/security/cve/CVE-2025-23132",
  "summary": "CVE-2025-23132 is fixed in linux on 1 platform, first by DEBIAN-CVE-2025-23132, released April 16, 2025. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  f2fs: quota: fix to avoid warning in dquot_write...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  f2fs: quota: fix to avoid warning in dquot_writeback_dquots()  F2FS-fs (dm-59): checkpoint=enable has some unwritten data.  ------------[ cut here ]------------ WARNING: CPU: 6 PID: 8013 at fs/quota/dquot.c:691 dquot_writeback_dquots\u002B0x2fc/0x308 pc : dquot_writeback_dquots\u002B0x2fc/0x308 lr : f2fs_quota_sync\u002B0xcc/0x1c4 Call trace: dquot_writeback_dquots\u002B0x2fc/0x308 f2fs_quota_sync\u002B0xcc/0x1c4 f2fs_write_checkpoint\u002B0x3d4/0x9b0 f2fs_issue_checkpoint\u002B0x1bc/0x2c0 f2fs_sync_fs\u002B0x54/0x150 f2fs_do_sync_file\u002B0x2f8/0x814 __f2fs_ioctl\u002B0x1960/0x3244 f2fs_ioctl\u002B0x54/0xe0 __arm64_sys_ioctl\u002B0xa8/0xe4 invoke_syscall\u002B0x58/0x114  checkpoint and f2fs_remount may race as below, resulting triggering warning in dquot_writeback_dquots().  atomic write                                    remount                                                 - do_remount                                                  - down_write(\u0026sb-\u003Es_umount);                                                   - f2fs_remount - ioctl  - f2fs_do_sync_file   - f2fs_sync_fs    - f2fs_write_checkpoint     - block_operations      - locked = down_read_trylock(\u0026sbi-\u003Esb-\u003Es_umount)        : fail to lock due to the write lock was held by remount                                                  - up_write(\u0026sb-\u003Es_umount);      - f2fs_quota_sync       - dquot_writeback_dquots        - WARN_ON_ONCE(!rwsem_is_locked(\u0026sb-\u003Es_umount))        : trigger warning because s_umount lock was unlocked by remount  If checkpoint comes from mount/umount/remount/freeze/quotactl, caller of checkpoint has already held s_umount lock, calling dquot_writeback_dquots() in the context should be safe.  So let\u0027s record task to sbi-\u003Eumount_lock_holder, so that checkpoint can know whether the lock has held in the context or not by checking current w/ it.  In addition, in order to not misrepresent caller of checkpoint, we should not allow to trigger async checkpoint for those callers: mount/umount/remount/ freeze/quotactl.",
  "published": "2025-04-16T15:16:07Z",
  "severity": "medium",
  "cvss": 5.5,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
  "epss": 0.00382,
  "epssPercentile": 0.32445,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "6.12.115-2",
      "fix": "DEBIAN-CVE-2025-23132",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2025-23132",
      "released": "2025-04-16T15:16:07Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "6.16.3-1",
      "fix": "DEBIAN-CVE-2025-23132",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2025-23132",
      "released": "2025-04-16T15:16:07Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-09T13:31:49Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}