{
  "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"
    }
  ]
}