2024-12-08 03:06:42 +00:00

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{
"id": "CVE-2024-50132",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2024-11-05T18:15:15.973",
"lastModified": "2024-11-07T21:32:37.433",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntracing/probes: Fix MAX_TRACE_ARGS limit handling\n\nWhen creating a trace_probe we would set nr_args prior to truncating the\narguments to MAX_TRACE_ARGS. However, we would only initialize arguments\nup to the limit.\n\nThis caused invalid memory access when attempting to set up probes with\nmore than 128 fetchargs.\n\n BUG: kernel NULL pointer dereference, address: 0000000000000020\n #PF: supervisor read access in kernel mode\n #PF: error_code(0x0000) - not-present page\n PGD 0 P4D 0\n Oops: Oops: 0000 [#1] PREEMPT SMP PTI\n CPU: 0 UID: 0 PID: 1769 Comm: cat Not tainted 6.11.0-rc7+ #8\n Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-1.fc39 04/01/2014\n RIP: 0010:__set_print_fmt+0x134/0x330\n\nResolve the issue by applying the MAX_TRACE_ARGS limit earlier. Return\nan error when there are too many arguments instead of silently\ntruncating."
},
{
"lang": "es",
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: rastreo/sondas: Se corrige el manejo del l\u00edmite MAX_TRACE_ARGS Al crear un trace_probe, establecer\u00edamos nr_args antes de truncar los argumentos a MAX_TRACE_ARGS. Sin embargo, solo inicializar\u00edamos los argumentos hasta el l\u00edmite. Esto causaba un acceso no v\u00e1lido a la memoria al intentar configurar sondas con m\u00e1s de 128 fetchargs. ERROR: desreferencia de puntero NULL del kernel, direcci\u00f3n: 0000000000000020 #PF: acceso de lectura del supervisor en modo kernel #PF: error_code(0x0000) - p\u00e1gina no presente PGD 0 P4D 0 Oops: Oops: 0000 [#1] PREEMPT SMP PTI CPU: 0 UID: 0 PID: 1769 Comm: cat No contaminado 6.11.0-rc7+ #8 Nombre del hardware: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-1.fc39 04/01/2014 RIP: 0010:__set_print_fmt+0x134/0x330 Resuelva el problema aplicando el l\u00edmite MAX_TRACE_ARGS anteriormente. Devuelva un error cuando haya demasiados argumentos en lugar de truncarlos silenciosamente."
}
],
"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": [
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"nodes": [
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"operator": "OR",
"negate": false,
"cpeMatch": [
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"versionEndExcluding": "6.11.6",
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"references": [
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"url": "https://git.kernel.org/stable/c/08ccd1a57c4d3882e9a877eb2dcc66e50a3b0279",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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