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CVE-2023-53594 (GCVE-0-2023-53594)

Vulnerability from cvelistv5 – Published: 2025-10-04 15:44 – Updated: 2026-05-23 15:29
VLAI
Title
driver core: fix resource leak in device_add()
Summary
In the Linux kernel, the following vulnerability has been resolved: driver core: fix resource leak in device_add() When calling kobject_add() failed in device_add(), it will call cleanup_glue_dir() to free resource. But in kobject_add(), dev->kobj.parent has been set to NULL. This will cause resource leak. The process is as follows: device_add() get_device_parent() class_dir_create_and_add() kobject_add() //kobject_get() ... dev->kobj.parent = kobj; ... kobject_add() //failed, but set dev->kobj.parent = NULL ... glue_dir = get_glue_dir(dev) //glue_dir = NULL, and goto //"Error" label ... cleanup_glue_dir() //becaues glue_dir is NULL, not call //kobject_put() The preceding problem may cause insmod mac80211_hwsim.ko to failed. sysfs: cannot create duplicate filename '/devices/virtual/mac80211_hwsim' Call Trace: <TASK> dump_stack_lvl+0x8e/0xd1 sysfs_warn_dup.cold+0x1c/0x29 sysfs_create_dir_ns+0x224/0x280 kobject_add_internal+0x2aa/0x880 kobject_add+0x135/0x1a0 get_device_parent+0x3d7/0x590 device_add+0x2aa/0x1cb0 device_create_groups_vargs+0x1eb/0x260 device_create+0xdc/0x110 mac80211_hwsim_new_radio+0x31e/0x4790 [mac80211_hwsim] init_mac80211_hwsim+0x48d/0x1000 [mac80211_hwsim] do_one_initcall+0x10f/0x630 do_init_module+0x19f/0x5e0 load_module+0x64b7/0x6eb0 __do_sys_finit_module+0x140/0x200 do_syscall_64+0x35/0x80 entry_SYSCALL_64_after_hwframe+0x46/0xb0 </TASK> kobject_add_internal failed for mac80211_hwsim with -EEXIST, don't try to register things with the same name in the same directory.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: cebf8fd16900fdfd58c0028617944f808f97fe50 , < 8d389e363075c2e1deb84a560686ea92123e4b8b (git)
Affected: cebf8fd16900fdfd58c0028617944f808f97fe50 , < d1dbff10c6cd3b43457f3efd3c9c4950009635bf (git)
Affected: cebf8fd16900fdfd58c0028617944f808f97fe50 , < f39d21154db87545d8f0b25d13c326f37cc32239 (git)
Affected: cebf8fd16900fdfd58c0028617944f808f97fe50 , < 6977b1a5d67097eaa4d02b0c126c04cc6e8917c0 (git)
Affected: e7f6e3c9db4b6f259c89fd05728d024ab32acd71 (git)
Affected: a93a63333dbdb182b87e8cc99df8b4474f867acb (git)
Affected: 37de955c11b59050346e530143c20b10b4846527 (git)
Affected: 645897231f960590220144b06d1f994b7eb88326 (git)
Affected: 3.10.105 , < 3.11 (semver)
Affected: 3.12.70 , < 3.13 (semver)
Affected: 4.4.40 , < 4.5 (semver)
Affected: 4.8.16 , < 4.9 (semver)
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Linux Linux Affected: 4.9
Unaffected: 0 , < 4.9 (semver)
Unaffected: 5.15.99 , ≤ 5.15.* (semver)
Unaffected: 6.1.16 , ≤ 6.1.* (semver)
Unaffected: 6.2.3 , ≤ 6.2.* (semver)
Unaffected: 6.3 , ≤ * (original_commit_for_fix)
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndriver core: fix resource leak in device_add()\n\nWhen calling kobject_add() failed in device_add(), it will call\ncleanup_glue_dir() to free resource. But in kobject_add(),\ndev-\u003ekobj.parent has been set to NULL. This will cause resource leak.\n\nThe process is as follows:\ndevice_add()\n\tget_device_parent()\n\t\tclass_dir_create_and_add()\n\t\t\tkobject_add()\t\t//kobject_get()\n\t...\n\tdev-\u003ekobj.parent = kobj;\n\t...\n\tkobject_add()\t\t//failed, but set dev-\u003ekobj.parent = NULL\n\t...\n\tglue_dir = get_glue_dir(dev)\t//glue_dir = NULL, and goto\n\t\t\t\t\t//\"Error\" label\n\t...\n\tcleanup_glue_dir()\t//becaues glue_dir is NULL, not call\n\t\t\t\t//kobject_put()\n\nThe preceding problem may cause insmod mac80211_hwsim.ko to failed.\nsysfs: cannot create duplicate filename \u0027/devices/virtual/mac80211_hwsim\u0027\nCall Trace:\n\u003cTASK\u003e\ndump_stack_lvl+0x8e/0xd1\nsysfs_warn_dup.cold+0x1c/0x29\nsysfs_create_dir_ns+0x224/0x280\nkobject_add_internal+0x2aa/0x880\nkobject_add+0x135/0x1a0\nget_device_parent+0x3d7/0x590\ndevice_add+0x2aa/0x1cb0\ndevice_create_groups_vargs+0x1eb/0x260\ndevice_create+0xdc/0x110\nmac80211_hwsim_new_radio+0x31e/0x4790 [mac80211_hwsim]\ninit_mac80211_hwsim+0x48d/0x1000 [mac80211_hwsim]\ndo_one_initcall+0x10f/0x630\ndo_init_module+0x19f/0x5e0\nload_module+0x64b7/0x6eb0\n__do_sys_finit_module+0x140/0x200\ndo_syscall_64+0x35/0x80\nentry_SYSCALL_64_after_hwframe+0x46/0xb0\n\u003c/TASK\u003e\nkobject_add_internal failed for mac80211_hwsim with -EEXIST, don\u0027t try to\nregister things with the same name in the same directory."
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This will cause resource leak.\\n\\nThe process is as follows:\\ndevice_add()\\n\\tget_device_parent()\\n\\t\\tclass_dir_create_and_add()\\n\\t\\t\\tkobject_add()\\t\\t//kobject_get()\\n\\t...\\n\\tdev-\u003ekobj.parent = kobj;\\n\\t...\\n\\tkobject_add()\\t\\t//failed, but set dev-\u003ekobj.parent = NULL\\n\\t...\\n\\tglue_dir = get_glue_dir(dev)\\t//glue_dir = NULL, and goto\\n\\t\\t\\t\\t\\t//\\\"Error\\\" label\\n\\t...\\n\\tcleanup_glue_dir()\\t//becaues glue_dir is NULL, not call\\n\\t\\t\\t\\t//kobject_put()\\n\\nThe preceding problem may cause insmod mac80211_hwsim.ko to failed.\\nsysfs: cannot create duplicate filename \u0027/devices/virtual/mac80211_hwsim\u0027\\nCall Trace:\\n\u003cTASK\u003e\\ndump_stack_lvl+0x8e/0xd1\\nsysfs_warn_dup.cold+0x1c/0x29\\nsysfs_create_dir_ns+0x224/0x280\\nkobject_add_internal+0x2aa/0x880\\nkobject_add+0x135/0x1a0\\nget_device_parent+0x3d7/0x590\\ndevice_add+0x2aa/0x1cb0\\ndevice_create_groups_vargs+0x1eb/0x260\\ndevice_create+0xdc/0x110\\nmac80211_hwsim_new_radio+0x31e/0x4790 [mac80211_hwsim]\\ninit_mac80211_hwsim+0x48d/0x1000 [mac80211_hwsim]\\ndo_one_initcall+0x10f/0x630\\ndo_init_module+0x19f/0x5e0\\nload_module+0x64b7/0x6eb0\\n__do_sys_finit_module+0x140/0x200\\ndo_syscall_64+0x35/0x80\\nentry_SYSCALL_64_after_hwframe+0x46/0xb0\\n\u003c/TASK\u003e\\nkobject_add_internal failed for mac80211_hwsim with -EEXIST, don\u0027t try to\\nregister things with the same name in the same 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    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2026-07-21T19:12:46+00:00",
      "cve": "CVE-2023-53594",
      "id": "CVE-2023-53594",
      "initial_release_date": "2023-01-01T00:00:00+00:00",
      "product_status:fixed": "120",
      "product_status:known_affected": "138",
      "product_status:known_not_affected": "104",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: driver core: fix resource leak in device_add()",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-53594.json",
      "version": "3"
    },
    "suse_vex": {
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      "current_release_date": "2026-08-29T02:06:14Z",
      "cve": "CVE-2023-53594",
      "id": "CVE-2023-53594",
      "initial_release_date": "2025-10-05T02:55:45Z",
      "product_status:known_affected": "550",
      "product_status:known_not_affected": "176",
      "product_status:recommended": "282",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2023-53594",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2023-53594.json",
      "version": "35"
    }
  }
}



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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.