cnvd-2017-33579
Vulnerability from cnvd
Title
Linux kernel 'access_pmu_evcntr'函数拒绝服务漏洞
Description
Linux kernel是一款开源的操作系统。 Linux kernel arch/arm64/kvm/sys_regs.c文件的'access_pmu_evcntr'函数存在安全漏洞，允许本地攻击者利用漏洞提交特殊的请求，使系统崩溃。
Severity
中
Patch Name
Linux kernel 'access_pmu_evcntr'函数拒绝服务漏洞的补丁
Patch Description
Linux kernel是一款开源的操作系统。 Linux kernel arch/arm64/kvm/sys_regs.c文件的'access_pmu_evcntr'函数存在安全漏洞，允许本地攻击者利用漏洞提交特殊的请求，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

厂商已发布漏洞修复程序，请及时关注更新： https://github.com/torvalds/linux/commit/9e3f7a29694049edd728e2400ab57ad7553e5aa9

Reference
https://bugzilla.redhat.com/show_bug.cgi?id=1492984
Impacted products
Name
Linux Kernel <4.8.11
Show details on source website

To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-12168"
    }
  },
  "description": "Linux kernel\u662f\u4e00\u6b3e\u5f00\u6e90\u7684\u64cd\u4f5c\u7cfb\u7edf\u3002\r\n\r\nLinux kernel arch/arm64/kvm/sys_regs.c\u6587\u4ef6\u7684\u0027access_pmu_evcntr\u0027\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u5141\u8bb8\u672c\u5730\u653b\u51fb\u8005\u5229\u7528\u6f0f\u6d1e\u63d0\u4ea4\u7279\u6b8a\u7684\u8bf7\u6c42\uff0c\u4f7f\u7cfb\u7edf\u5d29\u6e83\u3002",
  "discovererName": "Wei Huang",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://github.com/torvalds/linux/commit/9e3f7a29694049edd728e2400ab57ad7553e5aa9",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-33579",
  "openTime": "2017-11-10",
  "patchDescription": "Linux kernel\u662f\u4e00\u6b3e\u5f00\u6e90\u7684\u64cd\u4f5c\u7cfb\u7edf\u3002\r\n\r\nLinux kernel arch/arm64/kvm/sys_regs.c\u6587\u4ef6\u7684\u0027access_pmu_evcntr\u0027\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u5141\u8bb8\u672c\u5730\u653b\u51fb\u8005\u5229\u7528\u6f0f\u6d1e\u63d0\u4ea4\u7279\u6b8a\u7684\u8bf7\u6c42\uff0c\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 kernel \u0027access_pmu_evcntr\u0027\u51fd\u6570\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Linux Kernel \u003c4.8.11"
  },
  "referenceLink": "https://bugzilla.redhat.com/show_bug.cgi?id=1492984",
  "serverity": "\u4e2d",
  "submitTime": "2017-09-20",
  "title": "Linux kernel \u0027access_pmu_evcntr\u0027\u51fd\u6570\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}


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