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A vulnerability exists in SMM (System Management Mode) branch that registers a SWSMI handler that does not sufficiently check or validate the allocated buffer pointer(QWORD values for CommBuffer). Th…

高危 CVSS 7.8
CVECVE-2021-33626
首次发现2026-08-11 14:15 UTC
披露时间2021-10-01 03:15 UTC
最后更新2026-08-11 14:15 UTC
通道状态auto

摘要

A vulnerability exists in SMM (System Management Mode) branch that registers a SWSMI handler that does not sufficiently check or validate the allocated buffer pointer(QWORD values for CommBuffer). This can be used by an attacker to corrupt data in SMRAM memory and even lead to arbitrary code execution.

中文摘要建设中,暂以英文摘要呈现(DR-003 v2)。

深度研判

该漏洞尚未生成深度研判报告(DR-003 v2 AI pipeline 建设中)。

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数据来源

  • NVD DATABASE

原始链接

时间线

  1. nvd_ingest NVD