CVE-2024-36893 (GCVE-0-2024-36893)

Vulnerability from cvelistv5 – Published: 2024-05-30 15:28 – Updated: 2026-05-23 15:47
VLAI
Title
usb: typec: tcpm: Check for port partner validity before consuming it
Summary
In the Linux kernel, the following vulnerability has been resolved: usb: typec: tcpm: Check for port partner validity before consuming it typec_register_partner() does not guarantee partner registration to always succeed. In the event of failure, port->partner is set to the error value or NULL. Given that port->partner validity is not checked, this results in the following crash: Unable to handle kernel NULL pointer dereference at virtual address xx pc : run_state_machine+0x1bc8/0x1c08 lr : run_state_machine+0x1b90/0x1c08 .. Call trace: run_state_machine+0x1bc8/0x1c08 tcpm_state_machine_work+0x94/0xe4 kthread_worker_fn+0x118/0x328 kthread+0x1d0/0x23c ret_from_fork+0x10/0x20 To prevent the crash, check for port->partner validity before derefencing it in all the call sites.
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 31220bd89c22a18478f52fcd8069e8e2adb8f4f2 , < 2a07e6f0ad8a6e504a3912cfe8dc859b7d0740a5 (git)
Affected: 9b7cd3fe01f0d03cf5820b351a6be2a6e0a6da6f , < d56d2ca03cc22123fd7626967d096d8661324e57 (git)
Affected: c97cd0b4b54eb42aed7f6c3c295a2d137f6d2416 , < 789326cafbd1f67f424436b6bc8bdb887a364637 (git)
Affected: c97cd0b4b54eb42aed7f6c3c295a2d137f6d2416 , < fc2b655cb6dd2b381f1f284989721002e39b6b77 (git)
Affected: c97cd0b4b54eb42aed7f6c3c295a2d137f6d2416 , < ae11f04b452b5205536e1c02d31f8045eba249dd (git)
Affected: 2897b36d2482b84f35e659989d5cb4501fb31ccd (git)
Affected: cbcf107780aecf51aba68488044a416d95060b6d (git)
Affected: 5.15.132 , < 5.15.168 (semver)
Affected: 6.1.53 , < 6.1.91 (semver)
Affected: 6.4.16 , < 6.5 (semver)
Affected: 6.5.3 , < 6.6 (semver)
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Linux Linux Affected: 6.6
Unaffected: 0 , < 6.6 (semver)
Unaffected: 5.15.168 , ≤ 5.15.* (semver)
Unaffected: 6.1.91 , ≤ 6.1.* (semver)
Unaffected: 6.6.31 , ≤ 6.6.* (semver)
Unaffected: 6.8.10 , ≤ 6.8.* (semver)
Unaffected: 6.9 , ≤ * (original_commit_for_fix)
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    "nvd": "{\"cve\":{\"id\":\"CVE-2024-36893\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-05-30T16:15:12.773\",\"lastModified\":\"2024-11-21T09:22:45.080\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nusb: typec: tcpm: Check for port partner validity before consuming it\\n\\ntypec_register_partner() does not guarantee partner registration\\nto always succeed. In the event of failure, port-\u003epartner is set\\nto the error value or NULL. Given that port-\u003epartner validity is\\nnot checked, this results in the following crash:\\n\\nUnable to handle kernel NULL pointer dereference at virtual address xx\\n pc : run_state_machine+0x1bc8/0x1c08\\n lr : run_state_machine+0x1b90/0x1c08\\n..\\n Call trace:\\n   run_state_machine+0x1bc8/0x1c08\\n   tcpm_state_machine_work+0x94/0xe4\\n   kthread_worker_fn+0x118/0x328\\n   kthread+0x1d0/0x23c\\n   ret_from_fork+0x10/0x20\\n\\nTo prevent the crash, check for port-\u003epartner validity before\\nderefencing it in all the call sites.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: usb: typec: tcpm: verifique la validez del socio del puerto antes de consumirlo. typec_register_partner() no garantiza que el registro del socio sea siempre exitoso. En caso de error, puerto-\u0026gt;socio se establece en el valor de error o NULL. Dado que no se verifica la validez del puerto-\u0026gt;partner, esto produce el siguiente bloqueo: No se puede manejar la desreferencia del puntero NULL del kernel en la direcci\u00f3n virtual xx pc: run_state_machine+0x1bc8/0x1c08 lr: run_state_machine+0x1b90/0x1c08 .. Seguimiento de llamadas: run_state_machine+ 0x1bc8/0x1c08 tcpm_state_machine_work+0x94/0xe4 kthread_worker_fn+0x118/0x328 kthread+0x1d0/0x23c ret_from_fork+0x10/0x20 Para evitar el bloqueo, verifique la validez del puerto-\u0026gt;partner antes de eliminar la barrera en todos los sitios de llamadas.\"}],\"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\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"6.1.91\",\"matchCriteriaId\":\"C7F044DD-06F0-44B2-8185-DCA23913A970\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2\",\"versionEndExcluding\":\"6.6.31\",\"matchCriteriaId\":\"CDDB1F69-36AC-41C1-9192-E7CCEF5FFC00\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7\",\"versionEndExcluding\":\"6.8.10\",\"matchCriteriaId\":\"6A6B920C-8D8F-4130-86B4-AD334F4CF2E3\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/2a07e6f0ad8a6e504a3912cfe8dc859b7d0740a5\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/789326cafbd1f67f424436b6bc8bdb887a364637\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/ae11f04b452b5205536e1c02d31f8045eba249dd\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/d56d2ca03cc22123fd7626967d096d8661324e57\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/fc2b655cb6dd2b381f1f284989721002e39b6b77\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/789326cafbd1f67f424436b6bc8bdb887a364637\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/ae11f04b452b5205536e1c02d31f8045eba249dd\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/d56d2ca03cc22123fd7626967d096d8661324e57\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/fc2b655cb6dd2b381f1f284989721002e39b6b77\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]}]}}",
    "vulnrichment": {
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      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • 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.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.