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CVE-2024-50148 (GCVE-0-2024-50148)

Vulnerability from cvelistv5 – Published: 2024-11-07 09:31 – Updated: 2026-05-12 12:00
VLAI
Title
Bluetooth: bnep: fix wild-memory-access in proto_unregister
Summary
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: bnep: fix wild-memory-access in proto_unregister There's issue as follows: KASAN: maybe wild-memory-access in range [0xdead...108-0xdead...10f] CPU: 3 UID: 0 PID: 2805 Comm: rmmod Tainted: G W RIP: 0010:proto_unregister+0xee/0x400 Call Trace: <TASK> __do_sys_delete_module+0x318/0x580 do_syscall_64+0xc1/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f As bnep_init() ignore bnep_sock_init()'s return value, and bnep_sock_init() will cleanup all resource. Then when remove bnep module will call bnep_sock_cleanup() to cleanup sock's resource. To solve above issue just return bnep_sock_init()'s return value in bnep_exit().
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-10-01 20:20 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < e232728242c4e98fb30e4c6bedb6ba8b482b6301 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 2c439470b23d78095a0d2f923342df58b155f669 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 6c151aeb6dc414db8f4daf51be072e802fae6667 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < fa58e23ea1359bd24b323916d191e2e9b4b19783 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 03015b6329e6de42f03ec917c25c4cf944f81f66 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < d10cd7bf574ead01fae140ce117a11bcdacbe6a8 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 20c424bc475b2b2a6e0e2225d2aae095c2ab2f41 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 64a90991ba8d4e32e3173ddd83d0b24167a5668c (git)
guessed Create a notification for this product.
Linux Linux Affected: 2.6.12
Unaffected: 0 , < 2.6.12 (semver)
Unaffected: 4.19.323 , ≤ 4.19.* (semver)
Unaffected: 5.4.285 , ≤ 5.4.* (semver)
Unaffected: 5.10.229 , ≤ 5.10.* (semver)
Unaffected: 5.15.170 , ≤ 5.15.* (semver)
Unaffected: 6.1.115 , ≤ 6.1.* (semver)
Unaffected: 6.6.59 , ≤ 6.6.* (semver)
Unaffected: 6.11.6 , ≤ 6.11.* (semver)
Unaffected: 6.12 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem Affected: 0 , < * (custom)
guessed Create a notification for this product.
Show details on NVD website
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      "id": "CVE-2024-50148",
      "lastModified": "2024-11-18T21:24:05.020",
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Then when remove bnep module will call\\nbnep_sock_cleanup() to cleanup sock\u0027s resource.\\nTo solve above issue just return bnep_sock_init()\u0027s return value in\\nbnep_exit().\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: Bluetooth: bnep: corrige wild-memory-access en proto_unregister Hay un problema como el siguiente: KASAN: tal vez wild-memory-access en el rango [0xdead...108-0xdead...10f] CPU: 3 UID: 0 PID: 2805 Comm: rmmod Tainted: GW RIP: 0010:proto_unregister+0xee/0x400 Seguimiento de llamadas:  __do_sys_delete_module+0x318/0x580 do_syscall_64+0xc1/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f Como bnep_init() ignora el valor de retorno de bnep_sock_init(), y bnep_sock_init() limpiar\u00e1 Todos los recursos. Luego, cuando se elimine el m\u00f3dulo bnep, se llamar\u00e1 a bnep_sock_cleanup() para limpiar el recurso de Sock. 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    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2025-11-21T13:48:50+00:00",
      "cve": "CVE-2024-50148",
      "id": "CVE-2024-50148",
      "initial_release_date": "2024-11-07T00:00:00+00:00",
      "product_status:fixed": "850",
      "product_status:known_affected": "112",
      "product_status:known_not_affected": "40",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: Bluetooth: bnep: fix wild-memory-access in proto_unregister",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-50148.json",
      "version": "3"
    },
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      "aggregate_severity": "moderate",
      "current_release_date": "2026-08-12T00:11:11Z",
      "cve": "CVE-2024-50148",
      "id": "CVE-2024-50148",
      "initial_release_date": "2024-11-08T03:49:07Z",
      "product_status:known_affected": "585",
      "product_status:known_not_affected": "53",
      "product_status:recommended": "625",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2024-50148",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2024-50148.json",
      "version": "58"
    },
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\"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\", \"lessThan\": \"03015b6329e6de42f03ec917c25c4cf944f81f66\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\", \"lessThan\": \"d10cd7bf574ead01fae140ce117a11bcdacbe6a8\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\", \"lessThan\": \"20c424bc475b2b2a6e0e2225d2aae095c2ab2f41\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\", \"lessThan\": \"64a90991ba8d4e32e3173ddd83d0b24167a5668c\", \"versionType\": \"git\"}], \"programFiles\": [\"net/bluetooth/bnep/core.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"2.6.12\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"2.6.12\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"4.19.323\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"4.19.*\"}, {\"status\": \"unaffected\", \"version\": \"5.4.285\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.4.*\"}, {\"status\": \"unaffected\", \"version\": \"5.10.229\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.10.*\"}, {\"status\": \"unaffected\", \"version\": \"5.15.170\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"6.1.115\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.6.59\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.11.6\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.11.*\"}, {\"status\": \"unaffected\", \"version\": \"6.12\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"net/bluetooth/bnep/core.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/e232728242c4e98fb30e4c6bedb6ba8b482b6301\"}, {\"url\": \"https://git.kernel.org/stable/c/2c439470b23d78095a0d2f923342df58b155f669\"}, {\"url\": \"https://git.kernel.org/stable/c/6c151aeb6dc414db8f4daf51be072e802fae6667\"}, {\"url\": \"https://git.kernel.org/stable/c/fa58e23ea1359bd24b323916d191e2e9b4b19783\"}, {\"url\": \"https://git.kernel.org/stable/c/03015b6329e6de42f03ec917c25c4cf944f81f66\"}, {\"url\": \"https://git.kernel.org/stable/c/d10cd7bf574ead01fae140ce117a11bcdacbe6a8\"}, {\"url\": \"https://git.kernel.org/stable/c/20c424bc475b2b2a6e0e2225d2aae095c2ab2f41\"}, {\"url\": \"https://git.kernel.org/stable/c/64a90991ba8d4e32e3173ddd83d0b24167a5668c\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nBluetooth: bnep: fix wild-memory-access in proto_unregister\\n\\nThere\u0027s issue as follows:\\n  KASAN: maybe wild-memory-access in range [0xdead...108-0xdead...10f]\\n  CPU: 3 UID: 0 PID: 2805 Comm: rmmod Tainted: G        W\\n  RIP: 0010:proto_unregister+0xee/0x400\\n  Call Trace:\\n   \u003cTASK\u003e\\n   __do_sys_delete_module+0x318/0x580\\n   do_syscall_64+0xc1/0x1d0\\n   entry_SYSCALL_64_after_hwframe+0x77/0x7f\\n\\nAs bnep_init() ignore bnep_sock_init()\u0027s return value, and bnep_sock_init()\\nwill cleanup all resource. Then when remove bnep module will call\\nbnep_sock_cleanup() to cleanup sock\u0027s resource.\\nTo solve above issue just return bnep_sock_init()\u0027s return value in\\nbnep_exit().\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.19.323\", \"versionStartIncluding\": \"2.6.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.285\", \"versionStartIncluding\": \"2.6.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.229\", \"versionStartIncluding\": \"2.6.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.170\", \"versionStartIncluding\": \"2.6.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.115\", \"versionStartIncluding\": \"2.6.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.59\", \"versionStartIncluding\": \"2.6.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.11.6\", \"versionStartIncluding\": \"2.6.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.12\", \"versionStartIncluding\": \"2.6.12\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-05-11T20:46:22.446Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-50148\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-12T12:00:21.323Z\", \"dateReserved\": \"2024-10-21T19:36:19.959Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-11-07T09:31:24.987Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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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.