{
  "cveId": "CVE-2026-89833",
  "url": "https://patchblox.com/security/cve/CVE-2026-89833",
  "summary": "CVE-2026-89833 is fixed in linux on 1 platform, first by DEBIAN-CVE-2026-89833, released September 23, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "f2fs: fix to avoid potential deadloop in f2fs_fsync_node_pages()",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  f2fs: fix to avoid potential deadloop in f2fs_fsync_node_pages()  There is potential deadloop in race condition:  Thread A\t\t\t\tThread B - fsync  - f2fs_do_sync_file   - f2fs_fsync_node_pages    - last_fsync_dnode     - folio_get(last_folio) \t\t\t\t\t- f2fs_setattr \t\t\t\t\t - f2fs_truncate \t\t\t\t\t  - f2fs_truncate_blocks \t\t\t\t\t   - f2fs_do_truncate_blocks \t\t\t\t\t    - f2fs_truncate_inode_blocks \t\t\t\t\t     - truncate_dnode \t\t\t\t\t      - truncate_node \t\t\t\t\t       - invalidate_mapping_pages \t\t\t\t\t        - folio-\u003Emapping = NULL    - is_node_folio alwasy return false    - atomic \u0026\u0026 !marked is always true,      then goto retry",
  "published": "2026-09-16T11:16:50Z",
  "severity": "Moderate",
  "cvss": 5.5,
  "epss": 0.00229,
  "epssPercentile": 0.13719,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-89833",
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "6.12.115-2",
      "fix": "DEBIAN-CVE-2026-89833",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-89833",
      "released": "2026-09-23T19:19:02Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "7.2.6-1",
      "fix": "DEBIAN-CVE-2026-89833",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-89833",
      "released": "2026-09-23T19:19:02Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-09T07:25:28Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}