ghsa-638r-2hm7-3wj9
Vulnerability from github
Published
2025-10-01 12:30
Modified
2025-10-01 12:30
Details

In the Linux kernel, the following vulnerability has been resolved:

fs/ntfs3: Enhance the attribute size check

This combines the overflow and boundary check so that all attribute size will be properly examined while enumerating them.

[ 169.181521] BUG: KASAN: slab-out-of-bounds in run_unpack+0x2e3/0x570 [ 169.183161] Read of size 1 at addr ffff8880094b6240 by task mount/247 [ 169.184046] [ 169.184925] CPU: 0 PID: 247 Comm: mount Not tainted 6.0.0-rc7+ #3 [ 169.185908] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 169.187066] Call Trace: [ 169.187492] [ 169.188049] dump_stack_lvl+0x49/0x63 [ 169.188495] print_report.cold+0xf5/0x689 [ 169.188964] ? run_unpack+0x2e3/0x570 [ 169.189331] kasan_report+0xa7/0x130 [ 169.189714] ? run_unpack+0x2e3/0x570 [ 169.190079] __asan_load1+0x51/0x60 [ 169.190634] run_unpack+0x2e3/0x570 [ 169.191290] ? run_pack+0x840/0x840 [ 169.191569] ? run_lookup_entry+0xb3/0x1f0 [ 169.192443] ? mi_enum_attr+0x20a/0x230 [ 169.192886] run_unpack_ex+0xad/0x3e0 [ 169.193276] ? run_unpack+0x570/0x570 [ 169.193557] ? ni_load_mi+0x80/0x80 [ 169.193889] ? debug_smp_processor_id+0x17/0x20 [ 169.194236] ? mi_init+0x4a/0x70 [ 169.194496] attr_load_runs_vcn+0x166/0x1c0 [ 169.194851] ? attr_data_write_resident+0x250/0x250 [ 169.195188] mi_read+0x133/0x2c0 [ 169.195481] ntfs_iget5+0x277/0x1780 [ 169.196017] ? call_rcu+0x1c7/0x330 [ 169.196392] ? ntfs_get_block_bmap+0x70/0x70 [ 169.196708] ? evict+0x223/0x280 [ 169.197014] ? __kmalloc+0x33/0x540 [ 169.197305] ? wnd_init+0x15b/0x1b0 [ 169.197599] ntfs_fill_super+0x1026/0x1ba0 [ 169.197994] ? put_ntfs+0x1d0/0x1d0 [ 169.198299] ? vsprintf+0x20/0x20 [ 169.198583] ? mutex_unlock+0x81/0xd0 [ 169.198930] ? set_blocksize+0x95/0x150 [ 169.199269] get_tree_bdev+0x232/0x370 [ 169.199750] ? put_ntfs+0x1d0/0x1d0 [ 169.200094] ntfs_fs_get_tree+0x15/0x20 [ 169.200431] vfs_get_tree+0x4c/0x130 [ 169.200714] path_mount+0x654/0xfe0 [ 169.201067] ? putname+0x80/0xa0 [ 169.201358] ? finish_automount+0x2e0/0x2e0 [ 169.201965] ? putname+0x80/0xa0 [ 169.202445] ? kmem_cache_free+0x1c4/0x440 [ 169.203075] ? putname+0x80/0xa0 [ 169.203414] do_mount+0xd6/0xf0 [ 169.203719] ? path_mount+0xfe0/0xfe0 [ 169.203977] ? __kasan_check_write+0x14/0x20 [ 169.204382] __x64_sys_mount+0xca/0x110 [ 169.204711] do_syscall_64+0x3b/0x90 [ 169.205059] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 169.205571] RIP: 0033:0x7f67a80e948a [ 169.206327] Code: 48 8b 0d 11 fa 2a 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 49 89 ca b8 a5 00 00 008 [ 169.208296] RSP: 002b:00007ffddf020f58 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 169.209253] RAX: ffffffffffffffda RBX: 000055e2547a6060 RCX: 00007f67a80e948a [ 169.209777] RDX: 000055e2547a6260 RSI: 000055e2547a62e0 RDI: 000055e2547aeaf0 [ 169.210342] RBP: 0000000000000000 R08: 000055e2547a6280 R09: 0000000000000020 [ 169.210843] R10: 00000000c0ed0000 R11: 0000000000000202 R12: 000055e2547aeaf0 [ 169.211307] R13: 000055e2547a6260 R14: 0000000000000000 R15: 00000000ffffffff [ 169.211913] [ 169.212304] [ 169.212680] Allocated by task 0: [ 169.212963] (stack is not available) [ 169.213200] [ 169.213472] The buggy address belongs to the object at ffff8880094b5e00 [ 169.213472] which belongs to the cache UDP of size 1152 [ 169.214095] The buggy address is located 1088 bytes inside of [ 169.214095] 1152-byte region [ffff8880094b5e00, ffff8880094b6280) [ 169.214639] [ 169.215004] The buggy address belongs to the physical page: [ 169.215766] page:000000002e324c8c refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x94b4 [ 169.218412] head:000000002e324c8c order:2 compound_mapcount:0 compound_pincount:0 [ 169.219078] flags: 0xfffffc0010200(slab|head|node=0|zone=1|lastcpupid=0x1fffff) [ 169.220272] raw: 000fffffc0010200 ---truncated---

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{
  "affected": [],
  "aliases": [
    "CVE-2023-53486"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-10-01T12:15:51Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nfs/ntfs3: Enhance the attribute size check\n\nThis combines the overflow and boundary check so that all attribute size\nwill be properly examined while enumerating them.\n\n[  169.181521] BUG: KASAN: slab-out-of-bounds in run_unpack+0x2e3/0x570\n[  169.183161] Read of size 1 at addr ffff8880094b6240 by task mount/247\n[  169.184046]\n[  169.184925] CPU: 0 PID: 247 Comm: mount Not tainted 6.0.0-rc7+ #3\n[  169.185908] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014\n[  169.187066] Call Trace:\n[  169.187492]  \u003cTASK\u003e\n[  169.188049]  dump_stack_lvl+0x49/0x63\n[  169.188495]  print_report.cold+0xf5/0x689\n[  169.188964]  ? run_unpack+0x2e3/0x570\n[  169.189331]  kasan_report+0xa7/0x130\n[  169.189714]  ? run_unpack+0x2e3/0x570\n[  169.190079]  __asan_load1+0x51/0x60\n[  169.190634]  run_unpack+0x2e3/0x570\n[  169.191290]  ? run_pack+0x840/0x840\n[  169.191569]  ? run_lookup_entry+0xb3/0x1f0\n[  169.192443]  ? mi_enum_attr+0x20a/0x230\n[  169.192886]  run_unpack_ex+0xad/0x3e0\n[  169.193276]  ? run_unpack+0x570/0x570\n[  169.193557]  ? ni_load_mi+0x80/0x80\n[  169.193889]  ? debug_smp_processor_id+0x17/0x20\n[  169.194236]  ? mi_init+0x4a/0x70\n[  169.194496]  attr_load_runs_vcn+0x166/0x1c0\n[  169.194851]  ? attr_data_write_resident+0x250/0x250\n[  169.195188]  mi_read+0x133/0x2c0\n[  169.195481]  ntfs_iget5+0x277/0x1780\n[  169.196017]  ? call_rcu+0x1c7/0x330\n[  169.196392]  ? ntfs_get_block_bmap+0x70/0x70\n[  169.196708]  ? evict+0x223/0x280\n[  169.197014]  ? __kmalloc+0x33/0x540\n[  169.197305]  ? wnd_init+0x15b/0x1b0\n[  169.197599]  ntfs_fill_super+0x1026/0x1ba0\n[  169.197994]  ? put_ntfs+0x1d0/0x1d0\n[  169.198299]  ? vsprintf+0x20/0x20\n[  169.198583]  ? mutex_unlock+0x81/0xd0\n[  169.198930]  ? set_blocksize+0x95/0x150\n[  169.199269]  get_tree_bdev+0x232/0x370\n[  169.199750]  ? put_ntfs+0x1d0/0x1d0\n[  169.200094]  ntfs_fs_get_tree+0x15/0x20\n[  169.200431]  vfs_get_tree+0x4c/0x130\n[  169.200714]  path_mount+0x654/0xfe0\n[  169.201067]  ? putname+0x80/0xa0\n[  169.201358]  ? finish_automount+0x2e0/0x2e0\n[  169.201965]  ? putname+0x80/0xa0\n[  169.202445]  ? kmem_cache_free+0x1c4/0x440\n[  169.203075]  ? putname+0x80/0xa0\n[  169.203414]  do_mount+0xd6/0xf0\n[  169.203719]  ? path_mount+0xfe0/0xfe0\n[  169.203977]  ? __kasan_check_write+0x14/0x20\n[  169.204382]  __x64_sys_mount+0xca/0x110\n[  169.204711]  do_syscall_64+0x3b/0x90\n[  169.205059]  entry_SYSCALL_64_after_hwframe+0x63/0xcd\n[  169.205571] RIP: 0033:0x7f67a80e948a\n[  169.206327] Code: 48 8b 0d 11 fa 2a 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 49 89 ca b8 a5 00 00 008\n[  169.208296] RSP: 002b:00007ffddf020f58 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5\n[  169.209253] RAX: ffffffffffffffda RBX: 000055e2547a6060 RCX: 00007f67a80e948a\n[  169.209777] RDX: 000055e2547a6260 RSI: 000055e2547a62e0 RDI: 000055e2547aeaf0\n[  169.210342] RBP: 0000000000000000 R08: 000055e2547a6280 R09: 0000000000000020\n[  169.210843] R10: 00000000c0ed0000 R11: 0000000000000202 R12: 000055e2547aeaf0\n[  169.211307] R13: 000055e2547a6260 R14: 0000000000000000 R15: 00000000ffffffff\n[  169.211913]  \u003c/TASK\u003e\n[  169.212304]\n[  169.212680] Allocated by task 0:\n[  169.212963] (stack is not available)\n[  169.213200]\n[  169.213472] The buggy address belongs to the object at ffff8880094b5e00\n[  169.213472]  which belongs to the cache UDP of size 1152\n[  169.214095] The buggy address is located 1088 bytes inside of\n[  169.214095]  1152-byte region [ffff8880094b5e00, ffff8880094b6280)\n[  169.214639]\n[  169.215004] The buggy address belongs to the physical page:\n[  169.215766] page:000000002e324c8c refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x94b4\n[  169.218412] head:000000002e324c8c order:2 compound_mapcount:0 compound_pincount:0\n[  169.219078] flags: 0xfffffc0010200(slab|head|node=0|zone=1|lastcpupid=0x1fffff)\n[  169.220272] raw: 000fffffc0010200\n---truncated---",
  "id": "GHSA-638r-2hm7-3wj9",
  "modified": "2025-10-01T12:30:30Z",
  "published": "2025-10-01T12:30:30Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-53486"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1fd5b80c9339503f3eaa4db3051b37ac506beeab"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/277439e7cabd9d4c6334b39a4b99d49b4c97265b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4f082a7531223a438c757bb20e304f4c941c67a8"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f28d9e02c2c242e8f9af9e13ba263fcc0211be49"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}


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