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nvd-json-data-feeds/CVE-2024/CVE-2024-364xx/CVE-2024-36476.json
cad-safe-bot 48deab6c2f Auto-Update: 2025-01-21T19:00:43.064929+00:00
2025-01-21 19:04:09 +00:00

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{
"id": "CVE-2024-36476",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2025-01-15T13:15:09.460",
"lastModified": "2025-01-21T17:14:33.780",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/rtrs: Ensure 'ib_sge list' is accessible\n\nMove the declaration of the 'ib_sge list' variable outside the\n'always_invalidate' block to ensure it remains accessible for use\nthroughout the function.\n\nPreviously, 'ib_sge list' was declared within the 'always_invalidate'\nblock, limiting its accessibility, then caused a\n'BUG: kernel NULL pointer dereference'[1].\n ? __die_body.cold+0x19/0x27\n ? page_fault_oops+0x15a/0x2d0\n ? search_module_extables+0x19/0x60\n ? search_bpf_extables+0x5f/0x80\n ? exc_page_fault+0x7e/0x180\n ? asm_exc_page_fault+0x26/0x30\n ? memcpy_orig+0xd5/0x140\n rxe_mr_copy+0x1c3/0x200 [rdma_rxe]\n ? rxe_pool_get_index+0x4b/0x80 [rdma_rxe]\n copy_data+0xa5/0x230 [rdma_rxe]\n rxe_requester+0xd9b/0xf70 [rdma_rxe]\n ? finish_task_switch.isra.0+0x99/0x2e0\n rxe_sender+0x13/0x40 [rdma_rxe]\n do_task+0x68/0x1e0 [rdma_rxe]\n process_one_work+0x177/0x330\n worker_thread+0x252/0x390\n ? __pfx_worker_thread+0x10/0x10\n\nThis change ensures the variable is available for subsequent operations\nthat require it.\n\n[1] https://lore.kernel.org/linux-rdma/6a1f3e8f-deb0-49f9-bc69-a9b03ecfcda7@fujitsu.com/"
},
{
"lang": "es",
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: RDMA/rtrs: garantizar que 'ib_sge list' sea accesible Mueva la declaraci\u00f3n de la variable 'ib_sge list' fuera del bloque 'always_invalidate' para garantizar que permanezca accesible para su uso en toda la funci\u00f3n. Anteriormente, 'ib_sge list' se declaraba dentro del bloque 'always_invalidate', lo que limitaba su accesibilidad y luego causaba un 'BUG: kernel NULL pointer dereference'[1]. ? __die_body.cold+0x19/0x27 ? page_fault_oops+0x15a/0x2d0 ? search_module_extables+0x19/0x60 ? search_bpf_extables+0x5f/0x80 ? exc_page_fault+0x7e/0x180 ? asm_exc_page_fault+0x26/0x30 ? rxe_pool_get_index+0x4b/0x80 [rdma_rxe] copy_data+0xa5/0x230 [rdma_rxe] rxe_requester+0xd9b/0xf70 [rdma_rxe] ? finish_task_switch.isra.0+0x99/0x2e0 rxe_sender+0x13/0x40 [rdma_rxe] do_task+0x68/0x1e0 [rdma_rxe] process_one_work+0x177/0x330 worker_thread+0x252/0x390 ? __pfx_worker_thread+0x10/0x10 Este cambio garantiza que la variable est\u00e9 disponible para operaciones posteriores que la requieran. [1] https://lore.kernel.org/linux-rdma/6a1f3e8f-deb0-49f9-bc69-a9b03ecfcda7@fujitsu.com/"
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "nvd@nist.gov",
"type": "Primary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 1.8,
"impactScore": 3.6
}
]
},
"weaknesses": [
{
"source": "nvd@nist.gov",
"type": "Primary",
"description": [
{
"lang": "en",
"value": "CWE-476"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
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