nvd-json-data-feeds/CVE-2023/CVE-2023-528xx/CVE-2023-52877.json

{
  "id": "CVE-2023-52877",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2024-05-21T16:15:24.377",
  "lastModified": "2025-01-06T20:32:18.993",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: typec: tcpm: Fix NULL pointer dereference in tcpm_pd_svdm()\n\nIt is possible that typec_register_partner() returns ERR_PTR on failure.\nWhen port->partner is an error, a NULL pointer dereference may occur as\nshown below.\n\n[91222.095236][  T319] typec port0: failed to register partner (-17)\n...\n[91225.061491][  T319] Unable to handle kernel NULL pointer dereference\nat virtual address 000000000000039f\n[91225.274642][  T319] pc : tcpm_pd_data_request+0x310/0x13fc\n[91225.274646][  T319] lr : tcpm_pd_data_request+0x298/0x13fc\n[91225.308067][  T319] Call trace:\n[91225.308070][  T319]  tcpm_pd_data_request+0x310/0x13fc\n[91225.308073][  T319]  tcpm_pd_rx_handler+0x100/0x9e8\n[91225.355900][  T319]  kthread_worker_fn+0x178/0x58c\n[91225.355902][  T319]  kthread+0x150/0x200\n[91225.355905][  T319]  ret_from_fork+0x10/0x30\n\nAdd a check for port->partner to avoid dereferencing a NULL pointer."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: usb: typec: tcpm: corrige la desreferencia del puntero NULL en tcpm_pd_svdm(). Es posible que typec_register_partner() devuelva ERR_PTR en caso de fallo. Cuando port->partner es un error, puede ocurrir una desreferencia de puntero NULL como se muestra a continuaci\u00f3n. [91222.095236][T319] typec port0: no se pudo registrar el socio (-17)... [91225.061491][T319] No se puede manejar la desreferencia del puntero NULL del kernel en la direcci\u00f3n virtual 000000000000039f [91225.274642][T319] pc: tcpm_pd_data_request+0x310 /0x13fc [91225.274646][ T319] lr: tcpm_pd_data_request+0x298/0x13fc [91225.308067][ T319] Rastreo de llamadas: [91225.308070][ T319] tcpm_pd_data_request+0x310/0x13fc 3][T319] tcpm_pd_rx_handler+0x100/0x9e8 [91225.355900][T319] kthread_worker_fn+0x178/0x58c [91225.355902][ T319] kthread+0x150/0x200 [91225.355905][ T319] ret_from_fork+0x10/0x30 Agregue una verificaci\u00f3n de port->partner para evitar desreferenciar un puntero NULL."
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-476"
        }
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