FKIE_CVE-2023-52477

Vulnerability from fkie_nvd - Published: 2024-02-29 06:15 - Updated: 2026-06-17 06:42
Severity
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: usb: hub: Guard against accesses to uninitialized BOS descriptors Many functions in drivers/usb/core/hub.c and drivers/usb/core/hub.h access fields inside udev->bos without checking if it was allocated and initialized. If usb_get_bos_descriptor() fails for whatever reason, udev->bos will be NULL and those accesses will result in a crash: BUG: kernel NULL pointer dereference, address: 0000000000000018 PGD 0 P4D 0 Oops: 0000 [#1] PREEMPT SMP NOPTI CPU: 5 PID: 17818 Comm: kworker/5:1 Tainted: G W 5.15.108-18910-gab0e1cb584e1 #1 <HASH:1f9e 1> Hardware name: Google Kindred/Kindred, BIOS Google_Kindred.12672.413.0 02/03/2021 Workqueue: usb_hub_wq hub_event RIP: 0010:hub_port_reset+0x193/0x788 Code: 89 f7 e8 20 f7 15 00 48 8b 43 08 80 b8 96 03 00 00 03 75 36 0f b7 88 92 03 00 00 81 f9 10 03 00 00 72 27 48 8b 80 a8 03 00 00 <48> 83 78 18 00 74 19 48 89 df 48 8b 75 b0 ba 02 00 00 00 4c 89 e9 RSP: 0018:ffffab740c53fcf8 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffffa1bc5f678000 RCX: 0000000000000310 RDX: fffffffffffffdff RSI: 0000000000000286 RDI: ffffa1be9655b840 RBP: ffffab740c53fd70 R08: 00001b7d5edaa20c R09: ffffffffb005e060 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 R13: ffffab740c53fd3e R14: 0000000000000032 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffffa1be96540000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000018 CR3: 000000022e80c005 CR4: 00000000003706e0 Call Trace: hub_event+0x73f/0x156e ? hub_activate+0x5b7/0x68f process_one_work+0x1a2/0x487 worker_thread+0x11a/0x288 kthread+0x13a/0x152 ? process_one_work+0x487/0x487 ? kthread_associate_blkcg+0x70/0x70 ret_from_fork+0x1f/0x30 Fall back to a default behavior if the BOS descriptor isn't accessible and skip all the functionalities that depend on it: LPM support checks, Super Speed capabilitiy checks, U1/U2 states setup.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/136f69a04e71ba3458d137aec3bb2ce1232c0289Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/241f230324337ed5eae3846a554fb6d15169872cPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/528f0ba9f7a4bc1b61c9b6eb591ff97ca37cac6bPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6ad3e9fd3632106696692232bf7ff88b9f7e1bc3Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8e7346bfea56453e31b7421c1c17ca2fb9ed613dPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c64e4dca9aefd232b17ac4c779b608b286654e81Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f74a7afc224acd5e922c7a2e52244d891bbe44eePatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/fb9895ab9533534335fa83d70344b397ac862c81Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/136f69a04e71ba3458d137aec3bb2ce1232c0289Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/241f230324337ed5eae3846a554fb6d15169872cPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/528f0ba9f7a4bc1b61c9b6eb591ff97ca37cac6bPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/6ad3e9fd3632106696692232bf7ff88b9f7e1bc3Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/8e7346bfea56453e31b7421c1c17ca2fb9ed613dPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/c64e4dca9aefd232b17ac4c779b608b286654e81Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/f74a7afc224acd5e922c7a2e52244d891bbe44eePatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/fb9895ab9533534335fa83d70344b397ac862c81Patch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel 6.6
linux linux_kernel 6.6
linux linux_kernel 6.6
linux linux_kernel 6.6
linux linux_kernel 6.6
To clipboard 

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              "version": "5.4.259",
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: hub: Guard against accesses to uninitialized BOS descriptors\n\nMany functions in drivers/usb/core/hub.c and drivers/usb/core/hub.h\naccess fields inside udev-\u003ebos without checking if it was allocated and\ninitialized. If usb_get_bos_descriptor() fails for whatever\nreason, udev-\u003ebos will be NULL and those accesses will result in a\ncrash:\n\nBUG: kernel NULL pointer dereference, address: 0000000000000018\nPGD 0 P4D 0\nOops: 0000 [#1] PREEMPT SMP NOPTI\nCPU: 5 PID: 17818 Comm: kworker/5:1 Tainted: G W 5.15.108-18910-gab0e1cb584e1 #1 \u003cHASH:1f9e 1\u003e\nHardware name: Google Kindred/Kindred, BIOS Google_Kindred.12672.413.0 02/03/2021\nWorkqueue: usb_hub_wq hub_event\nRIP: 0010:hub_port_reset+0x193/0x788\nCode: 89 f7 e8 20 f7 15 00 48 8b 43 08 80 b8 96 03 00 00 03 75 36 0f b7 88 92 03 00 00 81 f9 10 03 00 00 72 27 48 8b 80 a8 03 00 00 \u003c48\u003e 83 78 18 00 74 19 48 89 df 48 8b 75 b0 ba 02 00 00 00 4c 89 e9\nRSP: 0018:ffffab740c53fcf8 EFLAGS: 00010246\nRAX: 0000000000000000 RBX: ffffa1bc5f678000 RCX: 0000000000000310\nRDX: fffffffffffffdff RSI: 0000000000000286 RDI: ffffa1be9655b840\nRBP: ffffab740c53fd70 R08: 00001b7d5edaa20c R09: ffffffffb005e060\nR10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000\nR13: ffffab740c53fd3e R14: 0000000000000032 R15: 0000000000000000\nFS: 0000000000000000(0000) GS:ffffa1be96540000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 0000000000000018 CR3: 000000022e80c005 CR4: 00000000003706e0\nCall Trace:\nhub_event+0x73f/0x156e\n? hub_activate+0x5b7/0x68f\nprocess_one_work+0x1a2/0x487\nworker_thread+0x11a/0x288\nkthread+0x13a/0x152\n? process_one_work+0x487/0x487\n? kthread_associate_blkcg+0x70/0x70\nret_from_fork+0x1f/0x30\n\nFall back to a default behavior if the BOS descriptor isn\u0027t accessible\nand skip all the functionalities that depend on it: LPM support checks,\nSuper Speed capabilitiy checks, U1/U2 states setup."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: usb: hub: protege contra accesos a descriptores BOS no inicializados Muchas funciones en drivers/usb/core/hub.c y drivers/usb/core/hub.h acceden a los campos dentro de udev- \u0026gt;bos sin verificar si fue asignado e inicializado. Si usb_get_bos_descriptor() falla por cualquier motivo, udev-\u0026gt;bos ser\u00e1 NULL y esos accesos resultar\u00e1n en un bloqueo: ERROR: desreferencia del puntero NULL del kernel, direcci\u00f3n: 0000000000000018 PGD 0 P4D 0 Vaya: 0000 [#1] CPU PREEMPT SMP NOPTI : 5 PID: 17818 Comm: kworker/5:1 Tainted: GW 5.15.108-18910-gab0e1cb584e1 #1  Nombre de hardware: Google Kindred/Kindred, BIOS Google_Kindred.12672.413.0 03/02/2021 Cola de trabajo : usb_hub_wq hub_event RIP: 0010:hub_port_reset+0x193/0x788 C\u00f3digo: 89 f7 e8 20 f7 15 00 48 8b 43 08 80 b8 96 03 00 00 03 75 36 0f b7 88 92 03 00 00 81 f9 10 03 00 00 72 27 48 8b 80 a8 03 00 00 \u0026lt;48\u0026gt; 83 78 18 00 74 19 48 89 df 48 8b 75 b0 ba 02 00 00 00 4c 89 e9 RSP: 0018:ffffab740c53fcf8 EFLAGS: 00010246 RAX: 000000 0000000000 RBX: ffffa1bc5f678000 RCX: 0000000000000310 RDX: ffffffffffffdff RSI: 0000000000000286 RDI: ffffa1be9655b840 RBP: ffffab740c53fd70 R08: 00001b7d5edaa20c R09: ffffffffb005e060 R10: 0000000000000001 R11: 00000000 00000000 R12: 0000000000000000 R13: ffffab740c53fd3e R14: 0000000000000032 R15: 00000000000000000 FS: 0000000000000000(0000) GS:ffffa1be965 40000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000018 CR3: 000000022e80c005 CR4: 00000000003706e0 Seguimiento de llamadas: hub_event+0x73f/0x156e ? hub_activate+0x5b7/0x68f proceso_one_work+0x1a2/0x487 trabajador_thread+0x11a/0x288 kthread+0x13a/0x152 ? proceso_one_work+0x487/0x487? kthread_associate_blkcg+0x70/0x70 ret_from_fork+0x1f/0x30 Vuelva a un comportamiento predeterminado si no se puede acceder al descriptor BOS y omita todas las funcionalidades que dependen de \u00e9l: comprobaciones de compatibilidad con LPM, comprobaciones de capacidad de supervelocidad, configuraci\u00f3n de estados U1/U2."
    }
  ],
  "id": "CVE-2023-52477",
  "lastModified": "2026-06-17T06:42:48.747",
  "metrics": {
    "cvssMetricV31": [
      {
        "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"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2023-52477",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-03-05T22:17:48.164174Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2024-02-29T06:15:45.870",
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    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/8e7346bfea56453e31b7421c1c17ca2fb9ed613d"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/c64e4dca9aefd232b17ac4c779b608b286654e81"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/f74a7afc224acd5e922c7a2e52244d891bbe44ee"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/fb9895ab9533534335fa83d70344b397ac862c81"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-476"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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