Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
A flaw was found in the QXL display device emulation in QEMU. A double fetch of guest controlled values `cursor->header.width` and `cursor->header.height` can lead to the allocation of a small cursor object followed by a subsequent heap-based buffer overflow. A malicious privileged guest user could use this flaw to crash the QEMU process on the host or potentially execute arbitrary code within the context of the QEMU process.
CVSS Information
N/A
Vulnerability Type
使用共享资源的并发执行不恰当同步问题(竞争条件)
Vulnerability Title
QEMU 安全漏洞
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 v6.0.0 之前版本存在安全漏洞，该漏洞源于qxl_cursor（）中的双重提取可能导致堆缓冲区溢出。恶意特权攻击者利用此漏洞可以使主机上的 QEMU 进程崩溃，或者可能在 QEMU 进程的上下文中执行任意代码。
CVSS Information
N/A
Vulnerability Type
N/A