2024-08-08 16:03:15 +00:00

103 lines
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{
"id": "CVE-2024-42235",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2024-08-07T16:15:46.460",
"lastModified": "2024-08-08T14:55:16.533",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ns390/mm: Add NULL pointer check to crst_table_free() base_crst_free()\n\ncrst_table_free() used to work with NULL pointers before the conversion\nto ptdescs. Since crst_table_free() can be called with a NULL pointer\n(error handling in crst_table_upgrade() add an explicit check.\n\nAlso add the same check to base_crst_free() for consistency reasons.\n\nIn real life this should not happen, since order two GFP_KERNEL\nallocations will not fail, unless FAIL_PAGE_ALLOC is enabled and used."
},
{
"lang": "es",
"value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: s390/mm: agregue verificaci\u00f3n de puntero NULL a crst_table_free() base_crst_free() crst_table_free() sol\u00eda trabajar con punteros NULL antes de la conversi\u00f3n a ptdescs. Dado que crst_table_free() se puede llamar con un puntero NULL (el manejo de errores en crst_table_upgrade() agrega una verificaci\u00f3n expl\u00edcita. Tambi\u00e9n agregue la misma verificaci\u00f3n a base_crst_free() por razones de coherencia. En la vida real, esto no deber\u00eda suceder, ya que ordenar dos asignaciones GFP_KERNEL no falla, a menos que FAIL_PAGE_ALLOC est\u00e9 habilitado y utilizado."
}
],
"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",
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "HIGH",
"baseScore": 5.5,
"baseSeverity": "MEDIUM"
},
"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,
"cpeMatch": [
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"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.6",
"versionEndExcluding": "6.6.41",
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"references": [
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"url": "https://git.kernel.org/stable/c/794fa52b94637d6b2e8c9474fbe3983af5c9f046",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
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