CVE-2024-35790 (GCVE-0-2024-35790)

Vulnerability from cvelistv5 – Published: 2024-05-17 12:24 – Updated: 2026-05-11 20:11
VLAI?
Title
usb: typec: altmodes/displayport: create sysfs nodes as driver's default device attribute group
Summary
In the Linux kernel, the following vulnerability has been resolved: usb: typec: altmodes/displayport: create sysfs nodes as driver's default device attribute group The DisplayPort driver's sysfs nodes may be present to the userspace before typec_altmode_set_drvdata() completes in dp_altmode_probe. This means that a sysfs read can trigger a NULL pointer error by deferencing dp->hpd in hpd_show or dp->lock in pin_assignment_show, as dev_get_drvdata() returns NULL in those cases. Remove manual sysfs node creation in favor of adding attribute group as default for devices bound to the driver. The ATTRIBUTE_GROUPS() macro is not used here otherwise the path to the sysfs nodes is no longer compliant with the ABI.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 0e3bb7d6894d9b6e67d6382bb03a46a1dc989588 , < 6b989ea1c479533ab8dbfbeb1704c94b1d3320da (git)
Affected: 0e3bb7d6894d9b6e67d6382bb03a46a1dc989588 , < 9794ffd9d0c39ee070fbd733f862bbe89b28ba33 (git)
Affected: 0e3bb7d6894d9b6e67d6382bb03a46a1dc989588 , < f1c5ddaef506e3517dce338c08a60663b1521920 (git)
Affected: 0e3bb7d6894d9b6e67d6382bb03a46a1dc989588 , < 4a22aeac24d0d5f26ba741408e8b5a4be6dc5dc0 (git)
Affected: 0e3bb7d6894d9b6e67d6382bb03a46a1dc989588 , < 0ad011776c057ce881b7fd6d8c79ecd459c087e9 (git)
Affected: 0e3bb7d6894d9b6e67d6382bb03a46a1dc989588 , < 165376f6b23e9a779850e750fb2eb06622e5a531 (git)
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Linux Linux Affected: 4.19
Unaffected: 0 , < 4.19 (semver)
Unaffected: 5.10.238 , ≤ 5.10.* (semver)
Unaffected: 5.15.184 , ≤ 5.15.* (semver)
Unaffected: 6.1.140 , ≤ 6.1.* (semver)
Unaffected: 6.6.24 , ≤ 6.6.* (semver)
Unaffected: 6.7.12 , ≤ 6.7.* (semver)
Unaffected: 6.8 , ≤ * (original_commit_for_fix)
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This means that\\na sysfs read can trigger a NULL pointer error by deferencing dp-\u003ehpd in\\nhpd_show or dp-\u003elock in pin_assignment_show, as dev_get_drvdata() returns\\nNULL in those cases.\\n\\nRemove manual sysfs node creation in favor of adding attribute group as\\ndefault for devices bound to the driver. The ATTRIBUTE_GROUPS() macro is\\nnot used here otherwise the path to the sysfs nodes is no longer compliant\\nwith the ABI.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.238\", \"versionStartIncluding\": \"4.19\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.184\", \"versionStartIncluding\": \"4.19\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.140\", \"versionStartIncluding\": \"4.19\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.24\", \"versionStartIncluding\": \"4.19\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.7.12\", \"versionStartIncluding\": \"4.19\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.8\", \"versionStartIncluding\": \"4.19\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-06-04T12:57:15.072Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-35790\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-11-03T19:29:55.320Z\", \"dateReserved\": \"2024-05-17T12:19:12.338Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-05-17T12:24:45.918Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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Taxonomy of the tags.




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.