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cnvd-2015-07566
Vulnerability from cnvd
Title
Xen调试异常处理拒绝服务漏洞
Description
Xen是一款用于Linux内核的一种虚拟化技术,允许同时运行多个操作系统。
Xen处理调试异常存在安全漏洞，允许guest用户触发该漏洞，进行拒绝服务攻击。
Severity
中
VLAI Severity ?
Patch Name
Xen调试异常处理拒绝服务漏洞的补丁
Patch Description
Xen是一款用于Linux内核的一种虚拟化技术,允许同时运行多个操作系统。
Xen处理调试异常存在安全漏洞，允许guest用户触发该漏洞，进行拒绝服务攻击。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://xenbits.xen.org/xsa/advisory-156.html
Reference
http://xenbits.xen.org/xsa/advisory-156.html
Impacted products
| Name | ['Xen Xen 4.4.x', 'Xen Xen 4.5.x', 'Xen Xen 4.6.x', 'Xen Xen 4.3.x'] |
|---|
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"cveNumber": "CVE-2015-8104"
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"discovererName": "Ben Serebrin from Google and Jan Beulich from SUSE",
"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://xenbits.xen.org/xsa/advisory-156.html",
"isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
"number": "CNVD-2015-07566",
"openTime": "2015-11-17",
"patchDescription": "Xen\u662f\u4e00\u6b3e\u7528\u4e8eLinux\u5185\u6838\u7684\u4e00\u79cd\u865a\u62df\u5316\u6280\u672f,\u5141\u8bb8\u540c\u65f6\u8fd0\u884c\u591a\u4e2a\u64cd\u4f5c\u7cfb\u7edf\u3002\r\n\r\nXen\u5904\u7406\u8c03\u8bd5\u5f02\u5e38\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u5141\u8bb8guest\u7528\u6237\u89e6\u53d1\u8be5\u6f0f\u6d1e\uff0c\u8fdb\u884c\u62d2\u7edd\u670d\u52a1\u653b\u51fb\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",
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"products": {
"product": [
"Xen Xen 4.4.x",
"Xen Xen 4.5.x",
"Xen Xen 4.6.x",
"Xen Xen 4.3.x"
]
},
"referenceLink": "http://xenbits.xen.org/xsa/advisory-156.html",
"serverity": "\u4e2d",
"submitTime": "2015-11-15",
"title": "Xen\u8c03\u8bd5\u5f02\u5e38\u5904\u7406\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}
CVE-2015-8104 (GCVE-0-2015-8104)
Vulnerability from cvelistv5
Published
2015-11-16 00:00
Modified
2025-04-23 15:40
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
The KVM subsystem in the Linux kernel through 4.2.6, and Xen 4.3.x through 4.6.x, allows guest OS users to cause a denial of service (host OS panic or hang) by triggering many #DB (aka Debug) exceptions, related to svm.c.
References
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},
{
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"tags": [
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},
{
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},
{
"name": "USN-2842-1",
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},
{
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],
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},
{
"name": "DSA-3414",
"tags": [
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],
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},
{
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},
{
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},
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},
{
"url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cbdb967af3d54993f5814f1cee0ed311a055377d"
},
{
"name": "RHSA-2016:0046",
"tags": [
"vendor-advisory"
],
"url": "http://rhn.redhat.com/errata/RHSA-2016-0046.html"
},
{
"name": "openSUSE-SU-2016:1008",
"tags": [
"vendor-advisory"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00015.html"
},
{
"name": "[oss-security] 20231010 Xen Security Advisory 444 v3 (CVE-2023-34327,CVE-2023-34328) - x86/AMD: Debug Mask handling",
"tags": [
"mailing-list"
],
"url": "http://www.openwall.com/lists/oss-security/2023/10/10/4"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"assignerShortName": "mitre",
"cveId": "CVE-2015-8104",
"datePublished": "2015-11-16T00:00:00.000Z",
"dateReserved": "2015-11-09T00:00:00.000Z",
"dateUpdated": "2025-04-23T15:40:54.273Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
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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.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- 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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