FKIE_CVE-2024-42090

Vulnerability from fkie_nvd - Published: 2024-07-29 17:15 - Updated: 2026-10-15 01:18
Severity
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: pinctrl: fix deadlock in create_pinctrl() when handling -EPROBE_DEFER In create_pinctrl(), pinctrl_maps_mutex is acquired before calling add_setting(). If add_setting() returns -EPROBE_DEFER, create_pinctrl() calls pinctrl_free(). However, pinctrl_free() attempts to acquire pinctrl_maps_mutex, which is already held by create_pinctrl(), leading to a potential deadlock. This patch resolves the issue by releasing pinctrl_maps_mutex before calling pinctrl_free(), preventing the deadlock. This bug was discovered and resolved using Coverity Static Analysis Security Testing (SAST) by Synopsys, Inc.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/01fe2f885f7813f8aed5d3704b384a97b1116a9ePatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4038c57bf61631219b31f1bd6e92106ec7f084dcPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/420ce1261907e5dbeda1e4daffd5b6c76f8188c0Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/48a7a7c9571c3e62f17012dd7f2063e926179dddPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/adec57ff8e66aee632f3dd1f93787c13d112b7a1Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b36efd2e3e22a329444b6b24fa48df6d20ae66e6Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b813e3fd102a959c5b208ed68afe27e0137a561bPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e65a0dc2e85efb28e182aca50218e8a056d0ce04Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/01fe2f885f7813f8aed5d3704b384a97b1116a9ePatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/4038c57bf61631219b31f1bd6e92106ec7f084dcPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/420ce1261907e5dbeda1e4daffd5b6c76f8188c0Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/48a7a7c9571c3e62f17012dd7f2063e926179dddPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/adec57ff8e66aee632f3dd1f93787c13d112b7a1Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/b36efd2e3e22a329444b6b24fa48df6d20ae66e6Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/b813e3fd102a959c5b208ed68afe27e0137a561bPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/e65a0dc2e85efb28e182aca50218e8a056d0ce04Patch
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html
0b142b55-0307-4c5a-b3c9-f314f3fb7c5ehttps://cert-portal.siemens.com/productcert/html/ssa-265688.html
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
To clipboard 

{
  "affected": [
    {
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      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "affectedData": [
        {
          "defaultStatus": "unknown",
          "product": "SIMATIC S7-1500 TM MFP - GNU/Linux subsystem",
          "vendor": "Siemens",
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            }
          ]
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      "source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"
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  ],
  "configurations": [
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          "negate": false,
          "operator": "OR"
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\npinctrl: fix deadlock in create_pinctrl() when handling -EPROBE_DEFER\n\nIn create_pinctrl(), pinctrl_maps_mutex is acquired before calling\nadd_setting(). If add_setting() returns -EPROBE_DEFER, create_pinctrl()\ncalls pinctrl_free(). However, pinctrl_free() attempts to acquire\npinctrl_maps_mutex, which is already held by create_pinctrl(), leading to\na potential deadlock.\n\nThis patch resolves the issue by releasing pinctrl_maps_mutex before\ncalling pinctrl_free(), preventing the deadlock.\n\nThis bug was discovered and resolved using Coverity Static Analysis\nSecurity Testing (SAST) by Synopsys, Inc."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: pinctrl: soluciona el punto muerto en create_pinctrl() al manejar -EPROBE_DEFER En create_pinctrl(), pinctrl_maps_mutex se adquiere antes de llamar a add_setting(). Si add_setting() devuelve -EPROBE_DEFER, create_pinctrl() llama a pinctrl_free(). Sin embargo, pinctrl_free() intenta adquirir pinctrl_maps_mutex, que ya est\u00e1 en manos de create_pinctrl(), lo que lleva a un posible punto muerto. Este parche resuelve el problema liberando pinctrl_maps_mutex antes de llamar a pinctrl_free(), evitando el punto muerto. Este error fue descubierto y resuelto utilizando Coverity Static Analysis Security Testing (SAST) por Synopsys, Inc."
    }
  ],
  "id": "CVE-2024-42090",
  "lastModified": "2026-10-15T01:18:42.747",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2024-42090",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-09-10T16:18:41.131591Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2024-07-29T17:15:11.603",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
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    },
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    {
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  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-667"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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