cnvd-2018-09781
Vulnerability from cnvd
Title: Linux kernel KVM本地权限提升漏洞
Description:
Linux kernel是美国Linux基金会发布的操作系统Linux所使用的内核。KVM（Kernel-based Virtual Machine，基于内核的虚拟机）是用于其中的一种虚拟化基础设施。
Linux kernel中的KVM的虚拟机监视器处理异常情况存在安全漏洞。攻击者可利用该漏洞造成拒绝服务（崩溃）或提升权限。
Severity: 中
Patch Name: Linux kernel KVM本地权限提升漏洞的补丁
Patch Description:
Linux kernel是美国Linux基金会发布的操作系统Linux所使用的内核。KVM（Kernel-based Virtual Machine，基于内核的虚拟机）是用于其中的一种虚拟化基础设施。
Linux kernel中的KVM的虚拟机监视器处理异常情况存在安全漏洞。攻击者可利用该漏洞造成拒绝服务（崩溃）或提升权限。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:
厂商已发布了漏洞修复程序，请及时关注更新： https://www.linux-kvm.org/
Reference: http://www.openwall.com/lists/oss-security/2018/05/08/5
Impacted products
| Name | ['Linux Kernel 4.16', 'Linux Kernel 4.16-rc7', 'Linux Kernel 4.17-rc1', 'Linux Kernel 4.17-rc2', 'Linux Kernel 4.17-rc3'] |
|---|
{
"bids": {
"bid": {
"bidNumber": "104127"
}
},
"cves": {
"cve": {
"cveNumber": "CVE-2018-1087"
}
},
"description": "Linux kernel\u662f\u7f8e\u56fdLinux\u57fa\u91d1\u4f1a\u53d1\u5e03\u7684\u64cd\u4f5c\u7cfb\u7edfLinux\u6240\u4f7f\u7528\u7684\u5185\u6838\u3002KVM\uff08Kernel-based Virtual Machine\uff0c\u57fa\u4e8e\u5185\u6838\u7684\u865a\u62df\u673a\uff09\u662f\u7528\u4e8e\u5176\u4e2d\u7684\u4e00\u79cd\u865a\u62df\u5316\u57fa\u7840\u8bbe\u65bd\u3002\r\n\r\nLinux kernel\u4e2d\u7684KVM\u7684\u865a\u62df\u673a\u76d1\u89c6\u5668\u5904\u7406\u5f02\u5e38\u60c5\u51b5\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u5d29\u6e83\uff09\u6216\u63d0\u5347\u6743\u9650\u3002",
"discovererName": "Andy Lutomirski",
"formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://www.linux-kvm.org/",
"isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
"number": "CNVD-2018-09781",
"openTime": "2018-05-18",
"patchDescription": "Linux kernel\u662f\u7f8e\u56fdLinux\u57fa\u91d1\u4f1a\u53d1\u5e03\u7684\u64cd\u4f5c\u7cfb\u7edfLinux\u6240\u4f7f\u7528\u7684\u5185\u6838\u3002KVM\uff08Kernel-based Virtual Machine\uff0c\u57fa\u4e8e\u5185\u6838\u7684\u865a\u62df\u673a\uff09\u662f\u7528\u4e8e\u5176\u4e2d\u7684\u4e00\u79cd\u865a\u62df\u5316\u57fa\u7840\u8bbe\u65bd\u3002\r\n\r\nLinux kernel\u4e2d\u7684KVM\u7684\u865a\u62df\u673a\u76d1\u89c6\u5668\u5904\u7406\u5f02\u5e38\u60c5\u51b5\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u5d29\u6e83\uff09\u6216\u63d0\u5347\u6743\u9650\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 KVM\u672c\u5730\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\u7684\u8865\u4e01",
"products": {
"product": [
"Linux Kernel 4.16",
"Linux Kernel 4.16-rc7",
"Linux Kernel 4.17-rc1",
"Linux Kernel 4.17-rc2",
"Linux Kernel 4.17-rc3"
]
},
"referenceLink": "http://www.openwall.com/lists/oss-security/2018/05/08/5",
"serverity": "\u4e2d",
"submitTime": "2018-05-17",
"title": "Linux kernel KVM\u672c\u5730\u6743\u9650\u63d0\u5347\u6f0f\u6d1e"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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