cnvd-2016-02391
Vulnerability from cnvd
Title: Qemu信息泄露漏洞（CNVD-2016-02391）
Description:
QEMU是一套模拟处理器软件。
Qemu的kvmvapic.c在使用Task Priority Register(TPR)优化时存在漏洞，允许本地攻击者可利用该漏洞获取主机敏感信息。
Severity: 低
Patch Name: Qemu信息泄露漏洞（CNVD-2016-02391）的补丁
Patch Description:
QEMU是一套模拟处理器软件。
Qemu的kvmvapic.c在使用Task Priority Register(TPR)优化时存在漏洞，允许本地攻击者可利用该漏洞获取主机敏感信息。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:
目前厂商已经发布了升级补丁以修复此安全问题，详情请关注厂商主页： http://wiki.qemu.org/
Reference: http://www.openwall.com/lists/oss-security/2016/04/14/3
Impacted products
| Name | QEMU QEMU |
|---|
{
"cves": {
"cve": {
"cveNumber": "CVE-2016-4020"
}
},
"description": "QEMU\u662f\u4e00\u5957\u6a21\u62df\u5904\u7406\u5668\u8f6f\u4ef6\u3002\r\n\r\nQemu\u7684kvmvapic.c\u5728\u4f7f\u7528Task Priority Register(TPR)\u4f18\u5316\u65f6\u5b58\u5728\u6f0f\u6d1e\uff0c\u5141\u8bb8\u672c\u5730\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u83b7\u53d6\u4e3b\u673a\u654f\u611f\u4fe1\u606f\u3002",
"discovererName": "unknown",
"formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u8be6\u60c5\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\uff1a \r\nhttp://wiki.qemu.org/",
"isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
"number": "CNVD-2016-02391",
"openTime": "2016-04-20",
"patchDescription": "QEMU\u662f\u4e00\u5957\u6a21\u62df\u5904\u7406\u5668\u8f6f\u4ef6\u3002\r\n\r\nQemu\u7684kvmvapic.c\u5728\u4f7f\u7528Task Priority Register(TPR)\u4f18\u5316\u65f6\u5b58\u5728\u6f0f\u6d1e\uff0c\u5141\u8bb8\u672c\u5730\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u83b7\u53d6\u4e3b\u673a\u654f\u611f\u4fe1\u606f\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": "Qemu\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\uff08CNVD-2016-02391\uff09\u7684\u8865\u4e01",
"products": {
"product": "QEMU QEMU"
},
"referenceLink": "http://www.openwall.com/lists/oss-security/2016/04/14/3",
"serverity": "\u4f4e",
"submitTime": "2016-04-16",
"title": "Qemu\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\uff08CNVD-2016-02391\uff09"
}
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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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