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I. Basic Information for CVE-2021-30857
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A race condition was addressed with improved locking. This issue is fixed in Security Update 2021-005 Catalina, iOS 14.8 and iPadOS 14.8, tvOS 15, iOS 15 and iPadOS 15, watchOS 8, macOS Big Sur 11.6. A malicious application may be able to execute arbitrary code with kernel privileges.
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
Apple tvOS 竞争条件问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apple tvOS是美国苹果(Apple)公司的一套智能电视操作系统。 Apple 多款产品存在竞争条件问题漏洞,该漏洞允许恶意应用程序使用内核特权执行任意代码。在以下产品和版本中被修复:tvOS 15, iOS 15 and iPadOS 15, watchOS 8, macOS Big Sur 11.6。
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
ApplemacOS unspecified ~ 11.6 -
ApplemacOS unspecified ~ 2021 -
ApplemacOS unspecified ~ 14.8 -
ApplemacOS unspecified ~ 15 -
ApplemacOS unspecified ~ 15 -
ApplemacOS unspecified ~ 8 -
II. Public POCs for CVE-2021-30857
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III. Intelligence Information for CVE-2021-30857
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IV. Related Vulnerabilities
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