CVE-2024-35966 (GCVE-0-2024-35966)

Vulnerability from cvelistv5 – Published: 2024-05-20 09:41 – Updated: 2026-05-12 11:53
VLAI
Title
Bluetooth: RFCOMM: Fix not validating setsockopt user input
Summary
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: Fix not validating setsockopt user input syzbot reported rfcomm_sock_setsockopt_old() is copying data without checking user input length. BUG: KASAN: slab-out-of-bounds in copy_from_sockptr_offset include/linux/sockptr.h:49 [inline] BUG: KASAN: slab-out-of-bounds in copy_from_sockptr include/linux/sockptr.h:55 [inline] BUG: KASAN: slab-out-of-bounds in rfcomm_sock_setsockopt_old net/bluetooth/rfcomm/sock.c:632 [inline] BUG: KASAN: slab-out-of-bounds in rfcomm_sock_setsockopt+0x893/0xa70 net/bluetooth/rfcomm/sock.c:673 Read of size 4 at addr ffff8880209a8bc3 by task syz-executor632/5064
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-05-28 19:28 UTC
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: bb23c0ab824653be4aa7dfca15b07b3059717004 , < d072ea24748189cd8f4a9c3f585ca9af073a0838 (git)
Affected: bb23c0ab824653be4aa7dfca15b07b3059717004 , < 00767fbd67af70d7a550caa5b12d9515fa978bab (git)
Affected: bb23c0ab824653be4aa7dfca15b07b3059717004 , < eea40d33bf936a5c7fb03c190e61e0cfee00e872 (git)
Affected: bb23c0ab824653be4aa7dfca15b07b3059717004 , < 4ea65e2095e9bd151d0469328dd7fc2858feb546 (git)
Affected: bb23c0ab824653be4aa7dfca15b07b3059717004 , < c3f787a3eafe519c93df9abbb0ca5145861c8d0f (git)
Affected: bb23c0ab824653be4aa7dfca15b07b3059717004 , < a97de7bff13b1cc825c1b1344eaed8d6c2d3e695 (git)
guessed Create a notification for this product.
Linux Linux Affected: 2.6.30
Unaffected: 0 , < 2.6.30 (semver)
Unaffected: 5.10.234 , ≤ 5.10.* (semver)
Unaffected: 5.15.178 , ≤ 5.15.* (semver)
Unaffected: 6.1.107 , ≤ 6.1.* (semver)
Unaffected: 6.6.47 , ≤ 6.6.* (semver)
Unaffected: 6.8.7 , ≤ 6.8.* (semver)
Unaffected: 6.9 , ≤ * (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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                    "vulnerable": true
                  },
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        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: RFCOMM: Fix not validating setsockopt user input\n\nsyzbot reported rfcomm_sock_setsockopt_old() is copying data without\nchecking user input length.\n\nBUG: KASAN: slab-out-of-bounds in copy_from_sockptr_offset\ninclude/linux/sockptr.h:49 [inline]\nBUG: KASAN: slab-out-of-bounds in copy_from_sockptr\ninclude/linux/sockptr.h:55 [inline]\nBUG: KASAN: slab-out-of-bounds in rfcomm_sock_setsockopt_old\nnet/bluetooth/rfcomm/sock.c:632 [inline]\nBUG: KASAN: slab-out-of-bounds in rfcomm_sock_setsockopt+0x893/0xa70\nnet/bluetooth/rfcomm/sock.c:673\nRead of size 4 at addr ffff8880209a8bc3 by task syz-executor632/5064"
          },
          {
            "lang": "es",
            "value": " En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: Bluetooth: RFCOMM: soluci\u00f3n al no validar la entrada del usuario de setsockopt. Syzbot inform\u00f3 que rfcomm_sock_setsockopt_old() est\u00e1 copiando datos sin verificar la longitud de la entrada del usuario. BUG: KASAN: slab fuera de los l\u00edmites en copy_from_sockptr_offset include/linux/sockptr.h:49 [en l\u00ednea] BUG: KASAN: slab fuera de los l\u00edmites en copy_from_sockptr include/linux/sockptr.h:55 [en l\u00ednea] ERROR: KASAN: losa fuera de los l\u00edmites en rfcomm_sock_setsockopt_old net/bluetooth/rfcomm/sock.c:632 [en l\u00ednea] BUG: KASAN: losa fuera de los l\u00edmites en rfcomm_sock_setsockopt+0x893/0xa70 net/bluetooth/rfcomm/ sock.c:673 Lectura de tama\u00f1o 4 en addr ffff8880209a8bc3 por tarea syz-executor632/5064"
          }
        ],
        "id": "CVE-2024-35966",
        "lastModified": "2026-06-17T07:35:49.970",
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                "integrityImpact": "NONE",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
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              "source": "nvd@nist.gov",
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            "url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html"
          },
          {
            "source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e",
            "url": "https://cert-portal.siemens.com/productcert/html/ssa-265688.html"
          }
        ],
        "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "vulnStatus": "Modified",
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                "value": "CWE-125"
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      "current_release_date": "2026-06-28T06:43:43+00:00",
      "cve": "CVE-2024-35966",
      "id": "CVE-2024-35966",
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      "product_status:fixed": "305",
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      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: Bluetooth: RFCOMM: Fix not validating setsockopt user input",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-35966.json",
      "version": "3"
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      "product_status:known_affected": "583",
      "product_status:known_not_affected": "6",
      "product_status:recommended": "797",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2024-35966",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2024-35966.json",
      "version": "102"
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            "title": "CVE Program Container"
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            "metrics": [
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                  "content": {
                    "id": "CVE-2024-35966",
                    "options": [
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                      },
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                      },
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              "shortName": "CISA-ADP"
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            }
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          "title": "Bluetooth: RFCOMM: Fix not validating setsockopt user input",
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        "cveId": "CVE-2024-35966",
        "datePublished": "2024-05-20T09:41:55.838Z",
        "dateReserved": "2024-05-17T13:50:33.138Z",
        "dateUpdated": "2025-11-03T21:55:08.869Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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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.



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.