FKIE_CVE-2023-52877

Vulnerability from fkie_nvd - Published: 2024-05-21 16:15 - Updated: 2025-01-06 20:32
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: typec: tcpm: Fix NULL pointer dereference in tcpm_pd_svdm() It is possible that typec_register_partner() returns ERR_PTR on failure. When port->partner is an error, a NULL pointer dereference may occur as shown below. [91222.095236][ T319] typec port0: failed to register partner (-17) ... [91225.061491][ T319] Unable to handle kernel NULL pointer dereference at virtual address 000000000000039f [91225.274642][ T319] pc : tcpm_pd_data_request+0x310/0x13fc [91225.274646][ T319] lr : tcpm_pd_data_request+0x298/0x13fc [91225.308067][ T319] Call trace: [91225.308070][ T319] tcpm_pd_data_request+0x310/0x13fc [91225.308073][ 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 Add a check for port->partner to avoid dereferencing a NULL pointer.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4987daf86c152ff882d51572d154ad12e4ff3a4bPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9ee038590d808a95d16adf92818dcd4752273c08Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b37a168c0137156042a0ca9626651b5a789e822bPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e5f53a68a596e04df3fde3099273435a30b6fdacPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e7a802447c491903aa7cb45967aa2a934a4e63fcPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/4987daf86c152ff882d51572d154ad12e4ff3a4bPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/9ee038590d808a95d16adf92818dcd4752273c08Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/b37a168c0137156042a0ca9626651b5a789e822bPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/e5f53a68a596e04df3fde3099273435a30b6fdacPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/e7a802447c491903aa7cb45967aa2a934a4e63fcPatch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "BE3E3D94-2265-455D-81D6-B5F93195B8EC",
              "versionEndExcluding": "5.15.138",
              "versionStartIncluding": "5.12",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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              "versionEndExcluding": "6.6.1",
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              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
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  ],
  "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-\u003epartner 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-\u003epartner 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-\u0026gt;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-\u0026gt;partner para evitar desreferenciar un puntero NULL."
    }
  ],
  "id": "CVE-2023-52877",
  "lastModified": "2025-01-06T20:32:18.993",
  "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"
      }
    ]
  },
  "published": "2024-05-21T16:15:24.377",
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    {
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      "tags": [
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      "url": "https://git.kernel.org/stable/c/e5f53a68a596e04df3fde3099273435a30b6fdac"
    },
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    },
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      "url": "https://git.kernel.org/stable/c/4987daf86c152ff882d51572d154ad12e4ff3a4b"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
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      "url": "https://git.kernel.org/stable/c/9ee038590d808a95d16adf92818dcd4752273c08"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
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      "url": "https://git.kernel.org/stable/c/b37a168c0137156042a0ca9626651b5a789e822b"
    },
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      "source": "af854a3a-2127-422b-91ae-364da2661108",
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      "url": "https://git.kernel.org/stable/c/e5f53a68a596e04df3fde3099273435a30b6fdac"
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      "url": "https://git.kernel.org/stable/c/e7a802447c491903aa7cb45967aa2a934a4e63fc"
    }
  ],
  "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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  • 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.
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Detection rules are retrieved from Rulezet.