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I. Basic Information for CVE-2021-38787
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
There is an integer overflow in the ION driver "/dev/ion" of Allwinner R818 SoC Android Q SDK V1.0 that could use the ioctl cmd "COMPAT_ION_IOC_SUNXI_FLUSH_RANGE" to cause a system crash (denial of service).
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
Allwinner Technology R818 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Allwinner Technology R818是中国珠海全志科技（Allwinner Technology）公司的一款四核智能带屏语音芯片。 Allwinner Technology R818 存在输入验证错误漏洞，该漏洞源于Android Q SDK V1.0的ION驱动dev ION中有一个整数溢出，攻击者可利用该漏洞进行拒绝服务攻击。
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
-n/a n/a -
II. Public POCs for CVE-2021-38787
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III. Intelligence Information for CVE-2021-38787
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IV. Related Vulnerabilities
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Same vendor: n/a
V. Comments for CVE-2021-38787

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