漏洞信息
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Vulnerability Title
x86: DMs may cause mem leak by IRQ binding
Vulnerability Description
When guests are terminated, various pieces of cleanup need carrying out.
The cleaning up of PCI devices which were assigned to guests, and the
associated removal of tracking structures for IRQs used by the devices
occurs relatively early in the process. Unfortunately after that point
the guest about to be terminated could cause its device model (DM) to
re-establish such tracking structures, by having it bind one or more IRQs
anew. While some of those tracking structures would still be cleaned up
later on, at least one would not be.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Xen 安全漏洞
Vulnerability Description
Xen是Xen组织开源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,该漏洞源于终止guest时PCI设备及相关IRQ跟踪结构的清理过早,导致guest可通过设备模型重新绑定IRQ,使部分跟踪结构无法被清理。
CVSS Information
N/A
Vulnerability Type
N/A