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CVE-2021-3638

EPSS 0.02% · P6
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I. Basic Information for CVE-2021-3638

Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
An out-of-bounds memory access flaw was found in the ATI VGA device emulation of QEMU. This flaw occurs in the ati_2d_blt() routine while handling MMIO write operations when the guest provides invalid values for the destination display parameters. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
跨界内存写
Source: NVD (National Vulnerability Database)
Vulnerability Title
QEMU 缓冲区错误漏洞
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ATI VGA 存在安全漏洞，该漏洞源于在QEMU的ATI VGA设备仿真中发现了内存访问越界的缺陷。攻击者可利用该漏洞破坏主机上的QEMU进程，从而导致拒绝服务。
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 Affects qemu v4.0 to v6.1 -

II. Public POCs for CVE-2021-3638

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III. Intelligence Information for CVE-2021-3638

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Same Patch Batch · n/a · 2022-03-03 · 37 CVEs total

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CVE-2022-22700CyberArk Identity 安全特征问题漏洞
CVE-2021-3620Red Hat Ansible 安全漏洞
CVE-2022-25138Axelor Open Suite 跨站脚本漏洞
CVE-2021-3602Buildah 信息泄露漏洞
CVE-2021-3762Clair 路径遍历漏洞
CVE-2021-4002Linux kernel 安全漏洞
CVE-2022-23051PeTeReport 跨站脚本漏洞
CVE-2022-23052PeTeReport 跨站请求伪造漏洞
CVE-2022-25220PeTeReport 跨站脚本漏洞
CVE-2022-22943VMware Tools for Windows 代码问题漏洞
CVE-2021-3640Linux kernel 资源管理错误漏洞
CVE-2022-23849Devolutions Password Hub 授权问题漏洞

Showing top 20 of 37 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: QEMU
Same vendor: n/a
Same weakness: CWE-787

V. Comments for CVE-2021-3638

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