Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
The create_pit_timer function in arch/x86/kvm/i8254.c in KVM 83, and possibly other versions, does not properly handle when Programmable Interval Timer (PIT) interrupt requests (IRQs) when a virtual interrupt controller (irqchip) is not available, which allows local users to cause a denial of service (NULL pointer dereference) by starting a timer.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Linux Kernel拒绝服务漏洞
Vulnerability Description
Linux kernel是美国Linux基金会发布的开源操作系统Linux所使用的内核。NFSv4 implementation是其中的一个分布式文件系统协议。 Linux Kernel中存在漏洞，客户虚拟机上的本地恶意用户可利用该漏洞导致DoS（拒绝服务）。该漏洞源于配置Programmable Interrupt Timer (PIT)时"create_pit_timer()" 函数(arch/x86/kvm/i8254.c)中出现的错误，该漏洞可被利用导致主机崩溃（空指针解引用）。
CVSS Information
N/A
Vulnerability Type
N/A