{
  "cveId": "CVE-2025-68769",
  "url": "https://patchblox.com/security/cve/CVE-2025-68769",
  "summary": "CVE-2025-68769 is fixed in linux on 1 platform, first by DEBIAN-CVE-2025-68769, released January 13, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "f2fs: fix return value of f2fs_recover_fsync_data()",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  f2fs: fix return value of f2fs_recover_fsync_data()  With below scripts, it will trigger panic in f2fs:  mkfs.f2fs -f /dev/vdd mount /dev/vdd /mnt/f2fs touch /mnt/f2fs/foo sync echo 111 \u003E\u003E /mnt/f2fs/foo f2fs_io fsync /mnt/f2fs/foo f2fs_io shutdown 2 /mnt/f2fs umount /mnt/f2fs mount -o ro,norecovery /dev/vdd /mnt/f2fs or mount -o ro,disable_roll_forward /dev/vdd /mnt/f2fs  F2FS-fs (vdd): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 F2FS-fs (vdd): Mounted with checkpoint version = 7f5c361f F2FS-fs (vdd): Stopped filesystem due to reason: 0 F2FS-fs (vdd): f2fs_recover_fsync_data: recovery fsync data, check_only: 1 Filesystem f2fs get_tree() didn\u0027t set fc-\u003Eroot, returned 1 ------------[ cut here ]------------ kernel BUG at fs/super.c:1761! Oops: invalid opcode: 0000 [#1] SMP PTI CPU: 3 UID: 0 PID: 722 Comm: mount Not tainted 6.18.0-rc2\u002B #721 PREEMPT(voluntary) Hardware name: QEMU Standard PC (i440FX \u002B PIIX, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 RIP: 0010:vfs_get_tree.cold\u002B0x18/0x1a Call Trace:  \u003CTASK\u003E  fc_mount\u002B0x13/0xa0  path_mount\u002B0x34e/0xc50  __x64_sys_mount\u002B0x121/0x150  do_syscall_64\u002B0x84/0x800  entry_SYSCALL_64_after_hwframe\u002B0x76/0x7e RIP: 0033:0x7fa6cc126cfe  The root cause is we missed to handle error number returned from f2fs_recover_fsync_data() when mounting image w/ ro,norecovery or ro,disable_roll_forward mount option, result in returning a positive error number to vfs_get_tree(), fix it.",
  "published": "2026-01-13T16:15:56Z",
  "severity": "Moderate",
  "cvss": 5.5,
  "epss": 0.00207,
  "epssPercentile": 0.10832,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-68769",
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "6.1.162-1",
      "fix": "DEBIAN-CVE-2025-68769",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2025-68769",
      "released": "2026-01-13T16:15:56Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "6.12.69-1",
      "fix": "DEBIAN-CVE-2025-68769",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2025-68769",
      "released": "2026-01-13T16:15:56Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "6.18.3-1",
      "fix": "DEBIAN-CVE-2025-68769",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2025-68769",
      "released": "2026-01-13T16:15:56Z"
    }
  ],
  "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"
  }
}