CVE-2025-38143 (GCVE-0-2025-38143)
Vulnerability from cvelistv5
Published
2025-07-03 08:35
Modified
2025-07-28 04:13
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: backlight: pm8941: Add NULL check in wled_configure() devm_kasprintf() returns NULL when memory allocation fails. Currently, wled_configure() does not check for this case, which results in a NULL pointer dereference. Add NULL check after devm_kasprintf() to prevent this issue.
References
Impacted products
Vendor Product Version
Linux Linux Version: f86b77583d88c8402e8d89a339d96f847318f8a8
Version: f86b77583d88c8402e8d89a339d96f847318f8a8
Version: f86b77583d88c8402e8d89a339d96f847318f8a8
Version: f86b77583d88c8402e8d89a339d96f847318f8a8
Version: f86b77583d88c8402e8d89a339d96f847318f8a8
Version: f86b77583d88c8402e8d89a339d96f847318f8a8
Version: f86b77583d88c8402e8d89a339d96f847318f8a8
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbacklight: pm8941: Add NULL check in wled_configure()\n\ndevm_kasprintf() returns NULL when memory allocation fails. Currently,\nwled_configure() does not check for this case, which results in a NULL\npointer dereference.\n\nAdd NULL check after devm_kasprintf() to prevent this issue."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-07-28T04:13:23.772Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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          "url": "https://git.kernel.org/stable/c/9d06ac32c202142da40904180f2669ed4f5073ac"
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          "url": "https://git.kernel.org/stable/c/e12d3e1624a02706cdd3628bbf5668827214fa33"
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    "assignerShortName": "Linux",
    "cveId": "CVE-2025-38143",
    "datePublished": "2025-07-03T08:35:44.224Z",
    "dateReserved": "2025-04-16T04:51:23.987Z",
    "dateUpdated": "2025-07-28T04:13:23.772Z",
    "state": "PUBLISHED"
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    "nvd": "{\"cve\":{\"id\":\"CVE-2025-38143\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-07-03T09:15:29.017\",\"lastModified\":\"2025-07-03T15:13:53.147\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nbacklight: pm8941: Add NULL check in wled_configure()\\n\\ndevm_kasprintf() returns NULL when memory allocation fails. Currently,\\nwled_configure() does not check for this case, which results in a NULL\\npointer dereference.\\n\\nAdd NULL check after devm_kasprintf() to prevent this issue.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: backlight: pm8941: Se ha a\u00f1adido una comprobaci\u00f3n de valores NULL en wled_configure(). Devm_kasprintf() devuelve NULL cuando falla la asignaci\u00f3n de memoria. Actualmente, wled_configure() no realiza la comprobaci\u00f3n en este caso, lo que provoca una desreferencia de puntero NULL. Se ha a\u00f1adido una comprobaci\u00f3n de valores NULL despu\u00e9s de devm_kasprintf() para evitar este problema.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/1be2000b703b02e149f8f2061054489f6c18c972\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/21528806560510458378ea52c37e35b0773afaea\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/4a715be3fe80b68fa55cb3569af3d294be101626\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/6a56446595730a5e3f06a30902e23cb037d28146\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/9d06ac32c202142da40904180f2669ed4f5073ac\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/e12d3e1624a02706cdd3628bbf5668827214fa33\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/fde314445332015273c8f51d2659885c606fe135\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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