CVE-2025-38187 (GCVE-0-2025-38187)
Vulnerability from cvelistv5
Published
2025-07-04 13:37
Modified
2025-07-28 04:14
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: drm/nouveau: fix a use-after-free in r535_gsp_rpc_push() The RPC container is released after being passed to r535_gsp_rpc_send(). When sending the initial fragment of a large RPC and passing the caller's RPC container, the container will be freed prematurely. Subsequent attempts to send remaining fragments will therefore result in a use-after-free. Allocate a temporary RPC container for holding the initial fragment of a large RPC when sending. Free the caller's container when all fragments are successfully sent. [ Rebase onto Blackwell changes. - Danilo ]
References
Impacted products
Vendor Product Version
Linux Linux Version: 176fdcbddfd288408ce8571c1760ad618d962096
Version: 176fdcbddfd288408ce8571c1760ad618d962096
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          "programFiles": [
            "drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/rpc.c"
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/nouveau: fix a use-after-free in r535_gsp_rpc_push()\n\nThe RPC container is released after being passed to r535_gsp_rpc_send().\n\nWhen sending the initial fragment of a large RPC and passing the\ncaller\u0027s RPC container, the container will be freed prematurely. Subsequent\nattempts to send remaining fragments will therefore result in a\nuse-after-free.\n\nAllocate a temporary RPC container for holding the initial fragment of a\nlarge RPC when sending. Free the caller\u0027s container when all fragments\nare successfully sent.\n\n[ Rebase onto Blackwell changes. - Danilo ]"
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        "dateUpdated": "2025-07-28T04:14:32.560Z",
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        "shortName": "Linux"
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    "cveId": "CVE-2025-38187",
    "datePublished": "2025-07-04T13:37:13.126Z",
    "dateReserved": "2025-04-16T04:51:23.992Z",
    "dateUpdated": "2025-07-28T04:14:32.560Z",
    "state": "PUBLISHED"
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    "nvd": "{\"cve\":{\"id\":\"CVE-2025-38187\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-07-04T14:15:25.640\",\"lastModified\":\"2025-07-08T16:18:53.607\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\ndrm/nouveau: fix a use-after-free in r535_gsp_rpc_push()\\n\\nThe RPC container is released after being passed to r535_gsp_rpc_send().\\n\\nWhen sending the initial fragment of a large RPC and passing the\\ncaller\u0027s RPC container, the container will be freed prematurely. Subsequent\\nattempts to send remaining fragments will therefore result in a\\nuse-after-free.\\n\\nAllocate a temporary RPC container for holding the initial fragment of a\\nlarge RPC when sending. Free the caller\u0027s container when all fragments\\nare successfully sent.\\n\\n[ Rebase onto Blackwell changes. - Danilo ]\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/nouveau: se corrige un error de use-after-free en r535_gsp_rpc_push(). El contenedor RPC se libera tras pasarse a r535_gsp_rpc_send(). Al enviar el fragmento inicial de una RPC grande y pasar el contenedor RPC del emisor, este se liberar\u00e1 prematuramente. Por lo tanto, los intentos posteriores de enviar los fragmentos restantes resultar\u00e1n en un error de use-after-free. Asigne un contenedor RPC temporal para almacenar el fragmento inicial de una RPC grande durante el env\u00edo. Libere el contenedor del emisor cuando todos los fragmentos se hayan enviado correctamente. [Rebase sobre los cambios de Blackwell. - Danilo]\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/9802f0a63b641f4cddb2139c814c2e95cb825099\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/cd4677407c0ee250fc21e36439c8a442ddd62cc1\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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