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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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            "lang": "en",
            "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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        "id": "CVE-2023-53594",
        "lastModified": "2026-06-17T06:45:40.690",
        "metrics": {
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              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 5.5,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 1.8,
              "impactScore": 3.6,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ]
        },
        "published": "2025-10-04T16:15:55.910",
        "references": [
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          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/d1dbff10c6cd3b43457f3efd3c9c4950009635bf"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/f39d21154db87545d8f0b25d13c326f37cc32239"
          }
        ],
        "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "vulnStatus": "Analyzed",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-401"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "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": {
      "aggregate_severity": "moderate",
      "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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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.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.