Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
Guest triggered use-after-free in Linux xen-netback A malicious or buggy network PV frontend can force Linux netback to disable the interface and terminate the receive kernel thread associated with queue 0 in response to the frontend sending a malformed packet. Such kernel thread termination will lead to a use-after-free in Linux netback when the backend is destroyed, as the kernel thread associated with queue 0 will have already exited and thus the call to kthread_stop will be performed against a stale pointer.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Xen 资源管理错误漏洞
Vulnerability Description
Xen是英国剑桥（Cambridge）大学的一款开源的虚拟机监视器产品。该产品能够使不同和不兼容的操作系统运行在同一台计算机上，并支持在运行时进行迁移，保证正常运行并且避免宕机。 Xen 存在安全漏洞，该漏洞源于使用xen-netback组件的xenvif_connect_data()方法可以强制使用释放的内存区域。在客户系统内的攻击者可利用该漏洞触发拒绝服务，并可能在主机系统上运行代码。
CVSS Information
N/A
Vulnerability Type
N/A