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CVE-2024-36940 (GCVE-0-2024-36940)

Vulnerability from cvelistv5 – Published: 2024-05-30 15:29 – Updated: 2026-08-05 11:32
VLAI
Title
pinctrl: core: delete incorrect free in pinctrl_enable()
Summary
In the Linux kernel, the following vulnerability has been resolved: pinctrl: core: delete incorrect free in pinctrl_enable() The "pctldev" struct is allocated in devm_pinctrl_register_and_init(). It's a devm_ managed pointer that is freed by devm_pinctrl_dev_release(), so freeing it in pinctrl_enable() will lead to a double free. The devm_pinctrl_dev_release() function frees the pindescs and destroys the mutex as well.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-06-05 14:25 UTC
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 6118714275f0a313ecc296a87ed1af32d9691bed , < 735f4c6b6771eafe336404c157ca683ad72a040d (git)
Affected: 6118714275f0a313ecc296a87ed1af32d9691bed , < cdaa171473d98962ae86f2a663d398fda2fbeefd (git)
Affected: 6118714275f0a313ecc296a87ed1af32d9691bed , < 288bc4aa75f150d6f1ee82dd43c6da1b438b6068 (git)
Affected: 6118714275f0a313ecc296a87ed1af32d9691bed , < 41f88ef8ba387a12f4a2b8c400b6c9e8e54b2cca (git)
Affected: 6118714275f0a313ecc296a87ed1af32d9691bed , < ac7d65795827dc0cf7662384ed27caf4066bd72e (git)
Affected: 6118714275f0a313ecc296a87ed1af32d9691bed , < 558c8039fdf596a584a92c171cbf3298919c448c (git)
Affected: 6118714275f0a313ecc296a87ed1af32d9691bed , < f9f1e321d53e4c5b666b66e5b43da29841fb55ba (git)
Affected: 6118714275f0a313ecc296a87ed1af32d9691bed , < 5038a66dad0199de60e5671603ea6623eb9e5c79 (git)
guessed Create a notification for this product.
Linux Linux Affected: 4.11
Unaffected: 0 , < 4.11 (semver)
Unaffected: 4.19.314 , ≤ 4.19.* (semver)
Unaffected: 5.4.276 , ≤ 5.4.* (semver)
Unaffected: 5.10.217 , ≤ 5.10.* (semver)
Unaffected: 5.15.159 , ≤ 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)
guessed Create a notification for this product.
Siemens RUGGEDCOM RST2428P Affected: 0 , < V3.1 (custom)
guessed Create a notification for this product.
Siemens SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family Unaffected: 0 , < * (custom)
guessed Create a notification for this product.
Siemens SCALANCE XCM-/XRM-/XCH-/XRH-300 family Affected: 0 , < V3.1 (custom)
guessed Create a notification for this product.
Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem Affected: 0 , < * (custom)
guessed Create a notification for this product.
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      "descriptions": "[{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\npinctrl: core: delete incorrect free in pinctrl_enable()\\n\\nThe \\\"pctldev\\\" struct is allocated in devm_pinctrl_register_and_init().\\nIt\u0027s a devm_ managed pointer that is freed by devm_pinctrl_dev_release(),\\nso freeing it in pinctrl_enable() will lead to a double free.\\n\\nThe devm_pinctrl_dev_release() function frees the pindescs and destroys\\nthe mutex as well.\"}, {\"lang\": \"es\", \"value\": \"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: pinctrl: core: eliminar incorrecto gratis en pinctrl_enable() La estructura \\\"pctldev\\\" est\\u00e1 asignada en devm_pinctrl_register_and_init(). Es un puntero administrado por devm_ que se libera mediante devm_pinctrl_dev_release(), por lo que liberarlo en pinctrl_enable() generar\\u00e1 una doble liberaci\\u00f3n. La funci\\u00f3n devm_pinctrl_dev_release() libera los pindescs y tambi\\u00e9n destruye el mutex.\"}]",
      "id": "CVE-2024-36940",
      "lastModified": "2025-01-10T18:29:29.727",
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\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.9\", \"versionStartIncluding\": \"4.11\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-08-05T11:32:10.428Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-36940\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-08-05T11:32:10.428Z\", \"dateReserved\": \"2024-05-30T15:25:07.072Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-05-30T15:29:28.101Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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Tags
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.


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.