2024-07-14 02:06:08 +00:00

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{
"id": "CVE-2023-52746",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2024-05-21T16:15:14.377",
"lastModified": "2024-05-21T16:53:56.550",
"vulnStatus": "Awaiting Analysis",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nxfrm/compat: prevent potential spectre v1 gadget in xfrm_xlate32_attr()\n\n int type = nla_type(nla);\n\n if (type > XFRMA_MAX) {\n return -EOPNOTSUPP;\n }\n\n@type is then used as an array index and can be used\nas a Spectre v1 gadget.\n\n if (nla_len(nla) < compat_policy[type].len) {\n\narray_index_nospec() can be used to prevent leaking\ncontent of kernel memory to malicious users."
},
{
"lang": "es",
"value": " En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: xfrm/compat: previene el posible gadget spectre v1 en xfrm_xlate32_attr() int type = nla_type(nla); if (tipo &gt; XFRMA_MAX) { return -EOPNOTSUPP; } @type luego se usa como \u00edndice de matriz y se puede usar como un gadget Spectre v1. if (nla_len(nla) &lt; compat_policy[type].len) { array_index_nospec() se puede utilizar para evitar la filtraci\u00f3n de contenido de la memoria del kernel a usuarios malintencionados."
}
],
"metrics": {},
"references": [
{
"url": "https://git.kernel.org/stable/c/419674224390fca298020fc0751a20812f84b12d",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/5dc688fae6b7be9dbbf5304a3d2520d038e06db5",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/a893cc644812728e86e9aff517fd5698812ecef0",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/b6ee896385380aa621102e8ea402ba12db1cabff",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
]
}