Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
An issue was discovered in Xen through 4.14.x. Nodes in xenstore have an ownership. In oxenstored, a owner could give a node away. However, node ownership has quota implications. Any guest can run another guest out of quota, or create an unbounded number of nodes owned by dom0, thus running xenstored out of memory A malicious guest administrator can cause a denial of service against a specific guest or against the whole host. All systems using oxenstored are vulnerable. Building and using oxenstored is the default in the upstream Xen distribution, if the Ocaml compiler is available. Systems using C xenstored are not vulnerable.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Xen 代码问题漏洞
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 4.14.x 版本存在代码问题漏洞，该漏洞源于在所有者删除一个节点后不会减少系统的资源分配数额，攻击者可通过恶意创建节点来引起针对用户或整个主机的拒绝服务。
CVSS Information
N/A
Vulnerability Type
N/A