{
  "cveId": "CVE-2023-53829",
  "url": "https://patchblox.com/security/cve/CVE-2023-53829",
  "summary": "CVE-2023-53829 is fixed in linux on 1 platform, first by DEBIAN-CVE-2023-53829, released December 9, 2025. It is not reported as exploited. Patch Radar priority: High.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  f2fs: flush inode if atomic file is aborted  Let...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  f2fs: flush inode if atomic file is aborted  Let\u0027s flush the inode being aborted atomic operation to avoid stale dirty inode during eviction in this call stack:    f2fs_mark_inode_dirty_sync\u002B0x22/0x40 [f2fs]   f2fs_abort_atomic_write\u002B0xc4/0xf0 [f2fs]   f2fs_evict_inode\u002B0x3f/0x690 [f2fs]   ? sugov_start\u002B0x140/0x140   evict\u002B0xc3/0x1c0   evict_inodes\u002B0x17b/0x210   generic_shutdown_super\u002B0x32/0x120   kill_block_super\u002B0x21/0x50   deactivate_locked_super\u002B0x31/0x90   cleanup_mnt\u002B0x100/0x160   task_work_run\u002B0x59/0x90   do_exit\u002B0x33b/0xa50   do_group_exit\u002B0x2d/0x80   __x64_sys_exit_group\u002B0x14/0x20   do_syscall_64\u002B0x3b/0x90   entry_SYSCALL_64_after_hwframe\u002B0x63/0xcd  This triggers f2fs_bug_on() in f2fs_evict_inode:  f2fs_bug_on(sbi, is_inode_flag_set(inode, FI_DIRTY_INODE));  This fixes the syzbot report:  loop0: detected capacity change from 0 to 131072 F2FS-fs (loop0): invalid crc value F2FS-fs (loop0): Found nat_bits in checkpoint F2FS-fs (loop0): Mounted with checkpoint version = 48b305e4 ------------[ cut here ]------------ kernel BUG at fs/f2fs/inode.c:869! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 5014 Comm: syz-executor220 Not tainted 6.4.0-syzkaller-11479-g6cd06ab12d1a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 RIP: 0010:f2fs_evict_inode\u002B0x172d/0x1e00 fs/f2fs/inode.c:869 Code: ff df 48 c1 ea 03 80 3c 02 00 0f 85 6a 06 00 00 8b 75 40 ba 01 00 00 00 4c 89 e7 e8 6d ce 06 00 e9 aa fc ff ff e8 63 22 e2 fd \u003C0f\u003E 0b e8 5c 22 e2 fd 48 c7 c0 a8 3a 18 8d 48 ba 00 00 00 00 00 fc RSP: 0018:ffffc90003a6fa00 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 RDX: ffff8880273b8000 RSI: ffffffff83a2bd0d RDI: 0000000000000007 RBP: ffff888077db91b0 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: ffff888029a3c000 R13: ffff888077db9660 R14: ffff888029a3c0b8 R15: ffff888077db9c50 FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1909bb9000 CR3: 00000000276a9000 CR4: 0000000000350ef0 Call Trace:  \u003CTASK\u003E  evict\u002B0x2ed/0x6b0 fs/inode.c:665  dispose_list\u002B0x117/0x1e0 fs/inode.c:698  evict_inodes\u002B0x345/0x440 fs/inode.c:748  generic_shutdown_super\u002B0xaf/0x480 fs/super.c:478  kill_block_super\u002B0x64/0xb0 fs/super.c:1417  kill_f2fs_super\u002B0x2af/0x3c0 fs/f2fs/super.c:4704  deactivate_locked_super\u002B0x98/0x160 fs/super.c:330  deactivate_super\u002B0xb1/0xd0 fs/super.c:361  cleanup_mnt\u002B0x2ae/0x3d0 fs/namespace.c:1254  task_work_run\u002B0x16f/0x270 kernel/task_work.c:179  exit_task_work include/linux/task_work.h:38 [inline]  do_exit\u002B0xa9a/0x29a0 kernel/exit.c:874  do_group_exit\u002B0xd4/0x2a0 kernel/exit.c:1024  __do_sys_exit_group kernel/exit.c:1035 [inline]  __se_sys_exit_group kernel/exit.c:1033 [inline]  __x64_sys_exit_group\u002B0x3e/0x50 kernel/exit.c:1033  do_syscall_x64 arch/x86/entry/common.c:50 [inline]  do_syscall_64\u002B0x39/0xb0 arch/x86/entry/common.c:80  entry_SYSCALL_64_after_hwframe\u002B0x63/0xcd RIP: 0033:0x7f309be71a09 Code: Unable to access opcode bytes at 0x7f309be719df. RSP: 002b:00007fff171df518 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007f309bef7330 RCX: 00007f309be71a09 RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00007f309bef1e40 R10: 0000000000010600 R11: 0000000000000246 R12: 00007f309bef7330 R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001  \u003C/TASK\u003E Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:f2fs_evict_inode\u002B0x172d/0x1e00 fs/f2fs/inode.c:869 Code: ff df 48 c1 ea 03 80 3c 02 00 0f 85 6a 06 00 00 8b 75 40 ba 01 00 00 00 4c 89 e7 e8 6d ce 06 00 e9 aa fc ff ff e8 63 22 e2 fd \u003C0f\u003E 0b e8 5c 22 e2 fd 48 c7 c0 a8 3a 18 8d 48 ba 00 00 00 00 00 fc RSP: 0018:ffffc90003a6fa00 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000 ---truncated---",
  "published": "2025-12-09T16:17:21Z",
  "severity": "high",
  "cvss": 7.8,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
  "epss": 0.00192,
  "epssPercentile": 0.08921,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "6.1.55-1",
      "fix": "DEBIAN-CVE-2023-53829",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-53829",
      "released": "2025-12-09T16:17:21Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "6.5.6-1",
      "fix": "DEBIAN-CVE-2023-53829",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-53829",
      "released": "2025-12-09T16:17:21Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "6.5.6-1",
      "fix": "DEBIAN-CVE-2023-53829",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-53829",
      "released": "2025-12-09T16:17:21Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T13:06:02Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}