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nvd-json-data-feeds/CVE-2022/CVE-2022-263xx/CVE-2022-26359.json
cad-safe-bot e6cbafdc40 Auto-Update: 2024-12-08T03:00:18.988682+00:00
2024-12-08 03:06:42 +00:00

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{
"id": "CVE-2022-26359",
"sourceIdentifier": "security@xen.org",
"published": "2022-04-05T13:15:07.870",
"lastModified": "2024-11-21T06:53:49.500",
"vulnStatus": "Modified",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "IOMMU: RMRR (VT-d) and unity map (AMD-Vi) handling issues T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] Certain PCI devices in a system might be assigned Reserved Memory Regions (specified via Reserved Memory Region Reporting, \"RMRR\") for Intel VT-d or Unity Mapping ranges for AMD-Vi. These are typically used for platform tasks such as legacy USB emulation. Since the precise purpose of these regions is unknown, once a device associated with such a region is active, the mappings of these regions need to remain continuouly accessible by the device. This requirement has been violated. Subsequent DMA or interrupts from the device may have unpredictable behaviour, ranging from IOMMU faults to memory corruption."
},
{
"lang": "es",
"value": "IOMMU: Problemas de manejo de RMRR (VT-d) y mapa de unidad (AMD-Vi) E[ste registro de informaci\u00f3n CNA es relacionado con m\u00faltiples CVEs; el texto explica qu\u00e9 aspectos/vulnerabilidades corresponden a cada CVE]. Algunos dispositivos PCI de un sistema pueden tener asignadas Regiones de Memoria Reservada (especificadas por medio de Reserved Memory Region Reporting, \"RMRR\") para Intel VT-d o rangos de Unity Mapping para AMD-Vi. Normalmente son usados para tareas de plataforma como la emulaci\u00f3n de USB heredada. Dado que es desconocido el prop\u00f3sito preciso de estas regiones, una vez que un dispositivo asociado a una regi\u00f3n de este tipo est\u00e1 activo, los mapeos de estas regiones deben permanecer continuamente accesibles por el dispositivo. Este requisito ha sido violado. Las subsiguientes DMA o interrupciones del dispositivo pueden tener un comportamiento imprevisible, que va desde los fallos de la IOMMU hasta la corrupci\u00f3n de la memoria"
}
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"baseScore": 7.8,
"baseSeverity": "HIGH",
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
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"accessComplexity": "MEDIUM",
"authentication": "NONE",
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