Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
An out-of-bounds read flaw was found in the QXL display device emulation in QEMU. The qxl_phys2virt() function does not check the size of the structure pointed to by the guest physical address, potentially reading past the end of the bar space into adjacent pages. A malicious guest user could use this flaw to crash the QEMU process on the host causing a denial of service condition.
CVSS Information
N/A
Vulnerability Type
跨界内存读
Vulnerability Title
QEMU 缓冲区错误漏洞
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存在安全漏洞，该漏洞源于qxl_phys2virt() 函数不检查客户物理地址所指向的结构的大小，可能会读取超过条空间末尾的相邻页面，攻击者利用该漏洞可以使主机上的 QEMU 进程崩溃，从而导致拒绝服务情况。
CVSS Information
N/A
Vulnerability Type
N/A