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I. Basic Information for CVE-2021-28690
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
x86: TSX Async Abort protections not restored after S3 This issue relates to the TSX Async Abort speculative security vulnerability. Please see https://xenbits.xen.org/xsa/advisory-305.html for details. Mitigating TAA by disabling TSX (the default and preferred option) requires selecting a non-default setting in MSR_TSX_CTRL. This setting isn't restored after S3 suspend.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Xen 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Xen是英国剑桥(Cambridge)大学的一款开源的虚拟机监视器产品。该产品能够使不同和不兼容的操作系统运行在同一台计算机上,并支持在运行时进行迁移,保证正常运行并且避免宕机。 XEN 存在信息泄露漏洞,该漏洞源于S3 TSX Async Abort protections可以绕过对数据的访问限制。在客户系统中,攻击者可利用该漏洞获取主机系统上的敏感信息。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
Xenxen unspecified ~ 4.12 -
Xenxen 4.12.x -
Xenxen 4.11.x -
II. Public POCs for CVE-2021-28690
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III. Intelligence Information for CVE-2021-28690
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IV. Related Vulnerabilities
V. Comments for CVE-2021-28690

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