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CVE-2024-40903 (GCVE-0-2024-40903)

Vulnerability from cvelistv5 – Published: 2024-07-12 12:20 – Updated: 2026-05-23 15:50
VLAI
Title
usb: typec: tcpm: fix use-after-free case in tcpm_register_source_caps
Summary
In the Linux kernel, the following vulnerability has been resolved: usb: typec: tcpm: fix use-after-free case in tcpm_register_source_caps There could be a potential use-after-free case in tcpm_register_source_caps(). This could happen when: * new (say invalid) source caps are advertised * the existing source caps are unregistered * tcpm_register_source_caps() returns with an error as usb_power_delivery_register_capabilities() fails This causes port->partner_source_caps to hold on to the now freed source caps. Reset port->partner_source_caps value to NULL after unregistering existing source caps.
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-10 17:06 UTC
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: cfcd544a9974c6b6fb37ca385146e4796dcaf66d , < 4053696594d7235f3638d49a00cf0f289e4b36a3 (git)
Affected: b16abab1fb645c4b7a86c357dc83a48cf21c2795 , < 04c05d50fa79a41582f7bde8a1fd4377ae4a39e5 (git)
Affected: 230ecdf71a644c9c73e0e6735b33173074ae3f94 , < 6b67b652849faf108a09647c7fde9b179ef24e2b (git)
Affected: 230ecdf71a644c9c73e0e6735b33173074ae3f94 , < e7e921918d905544500ca7a95889f898121ba886 (git)
Affected: 931b5f302d6f7126dbd6879c42d3d6ca580be423 (git)
Affected: 6.1.91 , < 6.1.95 (semver)
Affected: 6.6.31 , < 6.6.35 (semver)
Affected: 6.8.10 , < 6.9 (semver)
guessed Create a notification for this product.
Linux Linux Affected: 6.9
Unaffected: 0 , < 6.9 (semver)
Unaffected: 6.1.95 , ≤ 6.1.* (semver)
Unaffected: 6.6.35 , ≤ 6.6.* (semver)
Unaffected: 6.9.6 , ≤ 6.9.* (semver)
Unaffected: 6.10 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
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    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-28T10:58:55+00:00",
      "cve": "CVE-2024-40903",
      "id": "CVE-2024-40903",
      "initial_release_date": "2024-07-12T00:00:00+00:00",
      "product_status:fixed": "280",
      "product_status:known_affected": "22",
      "product_status:known_not_affected": "98",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: usb: typec: tcpm: fix use-after-free case in tcpm_register_source_caps",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-40903.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-08-31T13:54:33Z",
      "cve": "CVE-2024-40903",
      "id": "CVE-2024-40903",
      "initial_release_date": "2024-07-16T02:35:06Z",
      "product_status:known_affected": "330",
      "product_status:known_not_affected": "258",
      "product_status:recommended": "653",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2024-40903",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2024-40903.json",
      "version": "84"
    },
    "vulnrichment": {
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This could happen when:\\n * new (say invalid) source caps are advertised\\n * the existing source caps are unregistered\\n * tcpm_register_source_caps() returns with an error as\\n   usb_power_delivery_register_capabilities() fails\\n\\nThis causes port-\u003epartner_source_caps to hold on to the now freed source\\ncaps.\\n\\nReset port-\u003epartner_source_caps value to NULL after unregistering\\nexisting source caps.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.95\", \"versionStartIncluding\": \"6.1.91\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.35\", \"versionStartIncluding\": \"6.6.31\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.9.6\", \"versionStartIncluding\": \"6.9\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.10\", \"versionStartIncluding\": \"6.9\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionStartIncluding\": \"6.8.10\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-05-23T15:50:35.661Z\"}}}",
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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.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.