CVE-2024-26831
Vulnerability from cvelistv5
Published
2024-04-17 09:43
Modified
2024-11-05 09:16
Severity ?
EPSS score ?
Summary
net/handshake: Fix handshake_req_destroy_test1
References
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/handshake: Fix handshake_req_destroy_test1\n\nRecently, handshake_req_destroy_test1 started failing:\n\nExpected handshake_req_destroy_test == req, but\n handshake_req_destroy_test == 0000000000000000\n req == 0000000060f99b40\nnot ok 11 req_destroy works\n\nThis is because \"sock_release(sock)\" was replaced with \"fput(filp)\"\nto address a memory leak. Note that sock_release() is synchronous\nbut fput() usually delays the final close and clean-up.\n\nThe delay is not consequential in the other cases that were changed\nbut handshake_req_destroy_test1 is testing that handshake_req_cancel()\nfollowed by closing the file actually does call the -\u003ehp_destroy\nmethod. Thus the PTR_EQ test at the end has to be sure that the\nfinal close is complete before it checks the pointer.\n\nWe cannot use a completion here because if -\u003ehp_destroy is never\ncalled (ie, there is an API bug) then the test will hang.\n\nReported by: Guenter Roeck \u003clinux@roeck-us.net\u003e"
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"nvd": "{\"cve\":{\"id\":\"CVE-2024-26831\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-04-17T10:15:09.450\",\"lastModified\":\"2024-04-17T12:48:07.510\",\"vulnStatus\":\"Awaiting Analysis\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnet/handshake: Fix handshake_req_destroy_test1\\n\\nRecently, handshake_req_destroy_test1 started failing:\\n\\nExpected handshake_req_destroy_test == req, but\\n handshake_req_destroy_test == 0000000000000000\\n req == 0000000060f99b40\\nnot ok 11 req_destroy works\\n\\nThis is because \\\"sock_release(sock)\\\" was replaced with \\\"fput(filp)\\\"\\nto address a memory leak. Note that sock_release() is synchronous\\nbut fput() usually delays the final close and clean-up.\\n\\nThe delay is not consequential in the other cases that were changed\\nbut handshake_req_destroy_test1 is testing that handshake_req_cancel()\\nfollowed by closing the file actually does call the -\u003ehp_destroy\\nmethod. Thus the PTR_EQ test at the end has to be sure that the\\nfinal close is complete before it checks the pointer.\\n\\nWe cannot use a completion here because if -\u003ehp_destroy is never\\ncalled (ie, there is an API bug) then the test will hang.\\n\\nReported by: Guenter Roeck \u003clinux@roeck-us.net\u003e\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net/handshake: Fix handshake_req_destroy_test1 Recientemente, handshake_req_destroy_test1 comenz\u00f3 a fallar: Se esperaba handshake_req_destroy_test == req, pero handshake_req_destroy_test == 0000000000000000 req == 0000000060f99b40 no ok 11 req_destroy funciona Esto se debe a que \\\"sock_release( calcet\u00edn)\\\" fue reemplazado por \\\"fput(filp)\\\" para solucionar una p\u00e9rdida de memoria. Tenga en cuenta que sock_release() es sincr\u00f3nico pero fput() normalmente retrasa el cierre y la limpieza finales. El retraso no tiene consecuencias en los otros casos que se cambiaron, pero handshake_req_destroy_test1 est\u00e1 probando que handshake_req_cancel() seguido del cierre del archivo realmente llama al m\u00e9todo -\u0026gt;hp_destroy. Por lo tanto, la prueba PTR_EQ al final debe asegurarse de que el cierre final est\u00e9 completo antes de verificar el puntero. No podemos usar una finalizaci\u00f3n aqu\u00ed porque si nunca se llama a -\u0026gt;hp_destroy (es decir, hay un error de API), la prueba se bloquear\u00e1. Reportado por: Guenter Roeck \"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/4e1d71cabb19ec2586827adfc60d68689c68c194\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/7f97805b8df6e33850e225e6bd3ebd9e246920af\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/d74226e03df1bf19848f18344401f254345af912\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
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- Confirmed: The vulnerability is confirmed from an analyst perspective.
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- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.