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I. Basic Information for CVE-2022-3872
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
An off-by-one read/write issue was found in the SDHCI device of QEMU. It occurs when reading/writing the Buffer Data Port Register in sdhci_read_dataport and sdhci_write_dataport, respectively, if data_count == block_size. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service condition.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
Off-by-one错误
Source: NVD (National Vulnerability Database)
Vulnerability Title
QEMU 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
QEMU(Quick Emulator)是法国法布里斯-贝拉(Fabrice Bellard)个人开发者的一套模拟处理器软件。该软件具有速度快、跨平台等特点。 QEMU的SDHCI存在安全漏洞,该漏洞源于发现逐个读/写问题。攻击者利用该漏洞使QEMU进程崩溃,从而导致拒绝服务情况。
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
-QEMU Affected: up to latest v7.1.0-rc4 -
II. Public POCs for CVE-2022-3872
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III. Intelligence Information for CVE-2022-3872
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IV. Related Vulnerabilities
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