2025-01-07 23:03:44 +00:00

104 lines
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{
"id": "CVE-2024-56768",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2025-01-06T17:15:43.800",
"lastModified": "2025-01-07T22:50:43.207",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Fix bpf_get_smp_processor_id() on !CONFIG_SMP\n\nOn x86-64 calling bpf_get_smp_processor_id() in a kernel with CONFIG_SMP\ndisabled can trigger the following bug, as pcpu_hot is unavailable:\n\n [ 8.471774] BUG: unable to handle page fault for address: 00000000936a290c\n [ 8.471849] #PF: supervisor read access in kernel mode\n [ 8.471881] #PF: error_code(0x0000) - not-present page\n\nFix by inlining a return 0 in the !CONFIG_SMP case."
},
{
"lang": "es",
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: bpf: Corregir bpf_get_smp_processor_id() en !CONFIG_SMP En x86-64, llamar a bpf_get_smp_processor_id() en un kernel con CONFIG_SMP deshabilitado puede provocar el siguiente error, ya que pcpu_hot no est\u00e1 disponible: [ 8.471774] ERROR: no se puede gestionar el error de p\u00e1gina para la direcci\u00f3n: 00000000936a290c [ 8.471849] #PF: acceso de lectura de supervisor en modo kernel [ 8.471881] #PF: error_code(0x0000) - p\u00e1gina no presente Corregir incrustando un retorno 0 en el caso de !CONFIG_SMP."
}
],
"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": "NVD-CWE-noinfo"
}
]
}
],
"configurations": [
{
"nodes": [
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"operator": "OR",
"negate": false,
"cpeMatch": [
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"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.10",
"versionEndExcluding": "6.12.8",
"matchCriteriaId": "BCD9BDC5-9E29-45B5-92A6-8752B9E03902"
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"references": [
{
"url": "https://git.kernel.org/stable/c/23579010cf0a12476e96a5f1acdf78a9c5843657",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
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]
},
{
"url": "https://git.kernel.org/stable/c/f4ab7d74247b0150547cf909b3f6f24ee85183df",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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}