cnvd-2015-04952
Vulnerability from cnvd
Title
Linux kvm_apic_has_events()函数空指针引用漏洞
Description
Linux Kernel是一款开源的操作系统。 Linux Kernel kvm_apic_has_events()函数存在空指针引用漏洞，允许可访问/dev/kvm的用户使系统崩溃。
Severity
中
Patch Name
Linux kvm_apic_has_events()函数空指针引用漏洞的补丁
Patch Description
Linux Kernel是一款开源的操作系统。Linux Kernel kvm_apic_has_events()函数存在空指针引用漏洞，允许可访问/dev/kvm的用户使系统崩溃。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。
Formal description

用户可参考如下厂商提供的安全公告获取补丁以修复该漏洞： http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/arch/x86/kvm/lapic.h?id=ce40cd3fc7fa40a6119e5fe6c0f2bc0eb4541009

Reference
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/arch/x86/kvm/lapic.h?id=ce40cd3fc7fa40a6119e5fe6c0f2bc0eb4541009
Impacted products
Name
Linux Kernel
Show details on source website

To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2015-4692"
    }
  },
  "description": "Linux Kernel\u662f\u4e00\u6b3e\u5f00\u6e90\u7684\u64cd\u4f5c\u7cfb\u7edf\u3002\r\n\r\nLinux Kernel kvm_apic_has_events()\u51fd\u6570\u5b58\u5728\u7a7a\u6307\u9488\u5f15\u7528\u6f0f\u6d1e\uff0c\u5141\u8bb8\u53ef\u8bbf\u95ee/dev/kvm\u7684\u7528\u6237\u4f7f\u7cfb\u7edf\u5d29\u6e83\u3002",
  "discovererName": "Linux",
  "formalWay": "\u7528\u6237\u53ef\u53c2\u8003\u5982\u4e0b\u5382\u5546\u63d0\u4f9b\u7684\u5b89\u5168\u516c\u544a\u83b7\u53d6\u8865\u4e01\u4ee5\u4fee\u590d\u8be5\u6f0f\u6d1e\uff1a\r\nhttp://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/arch/x86/kvm/lapic.h?id=ce40cd3fc7fa40a6119e5fe6c0f2bc0eb4541009",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2015-04952",
  "openTime": "2015-07-21",
  "patchDescription": "Linux Kernel\u662f\u4e00\u6b3e\u5f00\u6e90\u7684\u64cd\u4f5c\u7cfb\u7edf\u3002Linux Kernel kvm_apic_has_events()\u51fd\u6570\u5b58\u5728\u7a7a\u6307\u9488\u5f15\u7528\u6f0f\u6d1e\uff0c\u5141\u8bb8\u53ef\u8bbf\u95ee/dev/kvm\u7684\u7528\u6237\u4f7f\u7cfb\u7edf\u5d29\u6e83\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Linux kvm_apic_has_events()\u51fd\u6570\u7a7a\u6307\u9488\u5f15\u7528\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Linux Kernel"
  },
  "referenceLink": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/arch/x86/kvm/lapic.h?id=ce40cd3fc7fa40a6119e5fe6c0f2bc0eb4541009",
  "serverity": "\u4e2d",
  "submitTime": "2015-07-18",
  "title": "Linux kvm_apic_has_events()\u51fd\u6570\u7a7a\u6307\u9488\u5f15\u7528\u6f0f\u6d1e"
}


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