CVE-2025-37940 (GCVE-0-2025-37940)
Vulnerability from cvelistv5
Published
2025-05-20 15:58
Modified
2025-05-26 05:24
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: ftrace: Add cond_resched() to ftrace_graph_set_hash() When the kernel contains a large number of functions that can be traced, the loop in ftrace_graph_set_hash() may take a lot of time to execute. This may trigger the softlockup watchdog. Add cond_resched() within the loop to allow the kernel to remain responsive even when processing a large number of functions. This matches the cond_resched() that is used in other locations of the code that iterates over all functions that can be traced.
References
Impacted products
Vendor Product Version
Linux Linux Version: b9b0c831bed2682c2e3e9f5420fb6985549ef020
Version: b9b0c831bed2682c2e3e9f5420fb6985549ef020
Version: b9b0c831bed2682c2e3e9f5420fb6985549ef020
Version: b9b0c831bed2682c2e3e9f5420fb6985549ef020
Version: b9b0c831bed2682c2e3e9f5420fb6985549ef020
Version: b9b0c831bed2682c2e3e9f5420fb6985549ef020
Version: b9b0c831bed2682c2e3e9f5420fb6985549ef020
Version: b9b0c831bed2682c2e3e9f5420fb6985549ef020
Version: b9b0c831bed2682c2e3e9f5420fb6985549ef020
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{
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          "programFiles": [
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          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nftrace: Add cond_resched() to ftrace_graph_set_hash()\n\nWhen the kernel contains a large number of functions that can be traced,\nthe loop in ftrace_graph_set_hash() may take a lot of time to execute.\nThis may trigger the softlockup watchdog.\n\nAdd cond_resched() within the loop to allow the kernel to remain\nresponsive even when processing a large number of functions.\n\nThis matches the cond_resched() that is used in other locations of the\ncode that iterates over all functions that can be traced."
        }
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      "providerMetadata": {
        "dateUpdated": "2025-05-26T05:24:10.234Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
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        {
          "url": "https://git.kernel.org/stable/c/42ea22e754ba4f2b86f8760ca27f6f71da2d982c"
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    "assignerShortName": "Linux",
    "cveId": "CVE-2025-37940",
    "datePublished": "2025-05-20T15:58:17.634Z",
    "dateReserved": "2025-04-16T04:51:23.971Z",
    "dateUpdated": "2025-05-26T05:24:10.234Z",
    "state": "PUBLISHED"
  },
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  "dataVersion": "5.1",
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    "nvd": "{\"cve\":{\"id\":\"CVE-2025-37940\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-05-20T16:15:31.737\",\"lastModified\":\"2025-05-21T20:25:16.407\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nftrace: Add cond_resched() to ftrace_graph_set_hash()\\n\\nWhen the kernel contains a large number of functions that can be traced,\\nthe loop in ftrace_graph_set_hash() may take a lot of time to execute.\\nThis may trigger the softlockup watchdog.\\n\\nAdd cond_resched() within the loop to allow the kernel to remain\\nresponsive even when processing a large number of functions.\\n\\nThis matches the cond_resched() that is used in other locations of the\\ncode that iterates over all functions that can be traced.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ftrace: A\u00f1adir cond_resched() a ftrace_graph_set_hash(). Cuando el kernel contiene una gran cantidad de funciones rastreables, el bucle en ftrace_graph_set_hash() puede tardar mucho en ejecutarse. Esto puede activar el mecanismo de vigilancia de bloqueo suave. A\u00f1adir cond_resched() dentro del bucle para que el kernel siga respondiendo incluso al procesar una gran cantidad de funciones. Esto coincide con el cond_resched() utilizado en otras partes del c\u00f3digo que itera sobre todas las funciones rastreables.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/1fce9574b9d515bcb8a75379a8053e18602424e3\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/42ea22e754ba4f2b86f8760ca27f6f71da2d982c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/4429535acab750d963fdc3dfcc9e0eee42f4d599\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/5d336ac215e5c76e43ef4bca9ba699835e53e2fd\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/618655d54c5f8af5d57b77491d08c0f0ff77d114\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/72be43ff061a889c6ee648a330a42486cafa15a6\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/8dd7d7280357596ba63dfdb4c1725d9dd24bd42a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/dd38803c9088b848c6b56f4f6d7efc4497bfde61\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/e5b4ae6f01d4a510d5725eca7254519a1093920d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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