ghsa-cv22-jrqw-mx35
Vulnerability from github
Published
2025-09-15 15:31
Modified
2025-09-15 15:31
Details

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

mtd: core: add missing of_node_get() in dynamic partitions code

This fixes unbalanced of_node_put(): [ 1.078910] 6 cmdlinepart partitions found on MTD device gpmi-nand [ 1.085116] Creating 6 MTD partitions on "gpmi-nand": [ 1.090181] 0x000000000000-0x000008000000 : "nandboot" [ 1.096952] 0x000008000000-0x000009000000 : "nandfit" [ 1.103547] 0x000009000000-0x00000b000000 : "nandkernel" [ 1.110317] 0x00000b000000-0x00000c000000 : "nanddtb" [ 1.115525] ------------[ cut here ]------------ [ 1.120141] refcount_t: addition on 0; use-after-free. [ 1.125328] WARNING: CPU: 0 PID: 1 at lib/refcount.c:25 refcount_warn_saturate+0xdc/0x148 [ 1.133528] Modules linked in: [ 1.136589] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 6.0.0-rc7-next-20220930-04543-g8cf3f7 [ 1.146342] Hardware name: Freescale i.MX8DXL DDR3L EVK (DT) [ 1.151999] pstate: 600000c5 (nZCv daIF -PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 1.158965] pc : refcount_warn_saturate+0xdc/0x148 [ 1.163760] lr : refcount_warn_saturate+0xdc/0x148 [ 1.168556] sp : ffff800009ddb080 [ 1.171866] x29: ffff800009ddb080 x28: ffff800009ddb35a x27: 0000000000000002 [ 1.179015] x26: ffff8000098b06ad x25: ffffffffffffffff x24: ffff0a00ffffff05 [ 1.186165] x23: ffff00001fdf6470 x22: ffff800009ddb367 x21: 0000000000000000 [ 1.193314] x20: ffff00001fdfebe8 x19: ffff00001fdfec50 x18: ffffffffffffffff [ 1.200464] x17: 0000000000000000 x16: 0000000000000118 x15: 0000000000000004 [ 1.207614] x14: 0000000000000fff x13: ffff800009bca248 x12: 0000000000000003 [ 1.214764] x11: 00000000ffffefff x10: c0000000ffffefff x9 : 4762cb2ccb52de00 [ 1.221914] x8 : 4762cb2ccb52de00 x7 : 205d313431303231 x6 : 312e31202020205b [ 1.229063] x5 : ffff800009d55c1f x4 : 0000000000000001 x3 : 0000000000000000 [ 1.236213] x2 : 0000000000000000 x1 : ffff800009954be6 x0 : 000000000000002a [ 1.243365] Call trace: [ 1.245806] refcount_warn_saturate+0xdc/0x148 [ 1.250253] kobject_get+0x98/0x9c [ 1.253658] of_node_get+0x20/0x34 [ 1.257072] of_fwnode_get+0x3c/0x54 [ 1.260652] fwnode_get_nth_parent+0xd8/0xf4 [ 1.264926] fwnode_full_name_string+0x3c/0xb4 [ 1.269373] device_node_string+0x498/0x5b4 [ 1.273561] pointer+0x41c/0x5d0 [ 1.276793] vsnprintf+0x4d8/0x694 [ 1.280198] vprintk_store+0x164/0x528 [ 1.283951] vprintk_emit+0x98/0x164 [ 1.287530] vprintk_default+0x44/0x6c [ 1.291284] vprintk+0xf0/0x134 [ 1.294428] _printk+0x54/0x7c [ 1.297486] of_node_release+0xe8/0x128 [ 1.301326] kobject_put+0x98/0xfc [ 1.304732] of_node_put+0x1c/0x28 [ 1.308137] add_mtd_device+0x484/0x6d4 [ 1.311977] add_mtd_partitions+0xf0/0x1d0 [ 1.316078] parse_mtd_partitions+0x45c/0x518 [ 1.320439] mtd_device_parse_register+0xb0/0x274 [ 1.325147] gpmi_nand_probe+0x51c/0x650 [ 1.329074] platform_probe+0xa8/0xd0 [ 1.332740] really_probe+0x130/0x334 [ 1.336406] __driver_probe_device+0xb4/0xe0 [ 1.340681] driver_probe_device+0x3c/0x1f8 [ 1.344869] __driver_attach+0xdc/0x1a4 [ 1.348708] bus_for_each_dev+0x80/0xcc [ 1.352548] driver_attach+0x24/0x30 [ 1.356127] bus_add_driver+0x108/0x1f4 [ 1.359967] driver_register+0x78/0x114 [ 1.363807] __platform_driver_register+0x24/0x30 [ 1.368515] gpmi_nand_driver_init+0x1c/0x28 [ 1.372798] do_one_initcall+0xbc/0x238 [ 1.376638] do_initcall_level+0x94/0xb4 [ 1.380565] do_initcalls+0x54/0x94 [ 1.384058] do_basic_setup+0x1c/0x28 [ 1.387724] kernel_init_freeable+0x110/0x188 [ 1.392084] kernel_init+0x20/0x1a0 [ 1.395578] ret_from_fork+0x10/0x20 [ 1.399157] ---[ end trace 0000000000000000 ]--- [ 1.403782] ------------[ cut here ]------------

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{
  "affected": [],
  "aliases": [
    "CVE-2022-50283"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-09-15T15:15:39Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nmtd: core: add missing of_node_get() in dynamic partitions code\n\nThis fixes unbalanced of_node_put():\n[    1.078910] 6 cmdlinepart partitions found on MTD device gpmi-nand\n[    1.085116] Creating 6 MTD partitions on \"gpmi-nand\":\n[    1.090181] 0x000000000000-0x000008000000 : \"nandboot\"\n[    1.096952] 0x000008000000-0x000009000000 : \"nandfit\"\n[    1.103547] 0x000009000000-0x00000b000000 : \"nandkernel\"\n[    1.110317] 0x00000b000000-0x00000c000000 : \"nanddtb\"\n[    1.115525] ------------[ cut here ]------------\n[    1.120141] refcount_t: addition on 0; use-after-free.\n[    1.125328] WARNING: CPU: 0 PID: 1 at lib/refcount.c:25 refcount_warn_saturate+0xdc/0x148\n[    1.133528] Modules linked in:\n[    1.136589] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 6.0.0-rc7-next-20220930-04543-g8cf3f7\n[    1.146342] Hardware name: Freescale i.MX8DXL DDR3L EVK (DT)\n[    1.151999] pstate: 600000c5 (nZCv daIF -PAN -UAO -TCO -DIT -SSBS BTYPE=--)\n[    1.158965] pc : refcount_warn_saturate+0xdc/0x148\n[    1.163760] lr : refcount_warn_saturate+0xdc/0x148\n[    1.168556] sp : ffff800009ddb080\n[    1.171866] x29: ffff800009ddb080 x28: ffff800009ddb35a x27: 0000000000000002\n[    1.179015] x26: ffff8000098b06ad x25: ffffffffffffffff x24: ffff0a00ffffff05\n[    1.186165] x23: ffff00001fdf6470 x22: ffff800009ddb367 x21: 0000000000000000\n[    1.193314] x20: ffff00001fdfebe8 x19: ffff00001fdfec50 x18: ffffffffffffffff\n[    1.200464] x17: 0000000000000000 x16: 0000000000000118 x15: 0000000000000004\n[    1.207614] x14: 0000000000000fff x13: ffff800009bca248 x12: 0000000000000003\n[    1.214764] x11: 00000000ffffefff x10: c0000000ffffefff x9 : 4762cb2ccb52de00\n[    1.221914] x8 : 4762cb2ccb52de00 x7 : 205d313431303231 x6 : 312e31202020205b\n[    1.229063] x5 : ffff800009d55c1f x4 : 0000000000000001 x3 : 0000000000000000\n[    1.236213] x2 : 0000000000000000 x1 : ffff800009954be6 x0 : 000000000000002a\n[    1.243365] Call trace:\n[    1.245806]  refcount_warn_saturate+0xdc/0x148\n[    1.250253]  kobject_get+0x98/0x9c\n[    1.253658]  of_node_get+0x20/0x34\n[    1.257072]  of_fwnode_get+0x3c/0x54\n[    1.260652]  fwnode_get_nth_parent+0xd8/0xf4\n[    1.264926]  fwnode_full_name_string+0x3c/0xb4\n[    1.269373]  device_node_string+0x498/0x5b4\n[    1.273561]  pointer+0x41c/0x5d0\n[    1.276793]  vsnprintf+0x4d8/0x694\n[    1.280198]  vprintk_store+0x164/0x528\n[    1.283951]  vprintk_emit+0x98/0x164\n[    1.287530]  vprintk_default+0x44/0x6c\n[    1.291284]  vprintk+0xf0/0x134\n[    1.294428]  _printk+0x54/0x7c\n[    1.297486]  of_node_release+0xe8/0x128\n[    1.301326]  kobject_put+0x98/0xfc\n[    1.304732]  of_node_put+0x1c/0x28\n[    1.308137]  add_mtd_device+0x484/0x6d4\n[    1.311977]  add_mtd_partitions+0xf0/0x1d0\n[    1.316078]  parse_mtd_partitions+0x45c/0x518\n[    1.320439]  mtd_device_parse_register+0xb0/0x274\n[    1.325147]  gpmi_nand_probe+0x51c/0x650\n[    1.329074]  platform_probe+0xa8/0xd0\n[    1.332740]  really_probe+0x130/0x334\n[    1.336406]  __driver_probe_device+0xb4/0xe0\n[    1.340681]  driver_probe_device+0x3c/0x1f8\n[    1.344869]  __driver_attach+0xdc/0x1a4\n[    1.348708]  bus_for_each_dev+0x80/0xcc\n[    1.352548]  driver_attach+0x24/0x30\n[    1.356127]  bus_add_driver+0x108/0x1f4\n[    1.359967]  driver_register+0x78/0x114\n[    1.363807]  __platform_driver_register+0x24/0x30\n[    1.368515]  gpmi_nand_driver_init+0x1c/0x28\n[    1.372798]  do_one_initcall+0xbc/0x238\n[    1.376638]  do_initcall_level+0x94/0xb4\n[    1.380565]  do_initcalls+0x54/0x94\n[    1.384058]  do_basic_setup+0x1c/0x28\n[    1.387724]  kernel_init_freeable+0x110/0x188\n[    1.392084]  kernel_init+0x20/0x1a0\n[    1.395578]  ret_from_fork+0x10/0x20\n[    1.399157] ---[ end trace 0000000000000000 ]---\n[    1.403782] ------------[ cut here ]------------",
  "id": "GHSA-cv22-jrqw-mx35",
  "modified": "2025-09-15T15:31:25Z",
  "published": "2025-09-15T15:31:25Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-50283"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/12b58961de0bd88b3c7dfa5d21f6d67f4678b780"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9e54ce00505d291ef88f2c05e5eef46269daf83c"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}


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