cve-2023-52877
Vulnerability from cvelistv5
Published
2024-05-21 15:32
Modified
2024-11-04 14:54
Severity ?
Summary
usb: typec: tcpm: Fix NULL pointer dereference in tcpm_pd_svdm()
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4987daf86c152ff882d51572d154ad12e4ff3a4b
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9ee038590d808a95d16adf92818dcd4752273c08
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b37a168c0137156042a0ca9626651b5a789e822b
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e5f53a68a596e04df3fde3099273435a30b6fdac
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e7a802447c491903aa7cb45967aa2a934a4e63fc
Impacted products
LinuxLinux
LinuxLinux
Show details on NVD website

To clipboard 

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          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
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          "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."
        }
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        "dateUpdated": "2024-11-04T14:54:24.817Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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    "assignerShortName": "Linux",
    "cveId": "CVE-2023-52877",
    "datePublished": "2024-05-21T15:32:09.946Z",
    "dateReserved": "2024-05-21T15:19:24.264Z",
    "dateUpdated": "2024-11-04T14:54:24.817Z",
    "state": "PUBLISHED"
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    "nvd": "{\"cve\":{\"id\":\"CVE-2023-52877\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-05-21T16:15:24.377\",\"lastModified\":\"2024-05-21T16:53:56.550\",\"vulnStatus\":\"Awaiting Analysis\",\"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.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/4987daf86c152ff882d51572d154ad12e4ff3a4b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/9ee038590d808a95d16adf92818dcd4752273c08\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/b37a168c0137156042a0ca9626651b5a789e822b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/e5f53a68a596e04df3fde3099273435a30b6fdac\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/e7a802447c491903aa7cb45967aa2a934a4e63fc\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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