FKIE_CVE-2024-35966

Vulnerability from fkie_nvd - Published: 2024-05-20 10:15 - Updated: 2025-11-03 22:16
Severity ?
7.1 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
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
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/00767fbd67af70d7a550caa5b12d9515fa978babPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4ea65e2095e9bd151d0469328dd7fc2858feb546Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a97de7bff13b1cc825c1b1344eaed8d6c2d3e695Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c3f787a3eafe519c93df9abbb0ca5145861c8d0fPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d072ea24748189cd8f4a9c3f585ca9af073a0838Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/eea40d33bf936a5c7fb03c190e61e0cfee00e872Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/a97de7bff13b1cc825c1b1344eaed8d6c2d3e695Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/c3f787a3eafe519c93df9abbb0ca5145861c8d0fPatch
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel 6.9
linux linux_kernel 6.9
linux linux_kernel 6.9
To clipboard 

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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": "2025-11-03T22:16:57.377",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.1,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.2,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
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  "published": "2024-05-20T10:15:11.580",
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  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Modified",
  "weaknesses": [
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          "lang": "en",
          "value": "CWE-125"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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  • 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.
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