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nvd-json-data-feeds/CVE-2021/CVE-2021-225xx/CVE-2021-22543.json
cad-safe-bot e6cbafdc40 Auto-Update: 2024-12-08T03:00:18.988682+00:00
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{
"id": "CVE-2021-22543",
"sourceIdentifier": "cve-coordination@google.com",
"published": "2021-05-26T11:15:08.623",
"lastModified": "2024-11-21T05:50:18.270",
"vulnStatus": "Modified",
"cveTags": [],
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"lang": "en",
"value": "An issue was discovered in Linux: KVM through Improper handling of VM_IO|VM_PFNMAP vmas in KVM can bypass RO checks and can lead to pages being freed while still accessible by the VMM and guest. This allows users with the ability to start and control a VM to read/write random pages of memory and can result in local privilege escalation."
},
{
"lang": "es",
"value": "Se detect\u00f3 un problema en Linux: KVM mediante del manejo inapropiado de Los vmas VM_IO|VM_PFNMAP en KVM pueden omitir unas comprobaciones RO y puede conllevar a que las p\u00e1ginas sean liberadas mientras el VMM y el invitado a\u00fan pueden acceder a ellas. Esto permite a usuarios con la capacidad de iniciar y controlar una m\u00e1quina virtual leer y escribir p\u00e1ginas aleatorias de memoria y puede resultar en una escalada de privilegios local"
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