Vulnerability-Lookup

CNVD-2015-02174

Vulnerability from cnvd - Published: 2015-04-07

Title

Xen XEN_DOMCTL_memory_mapping hypercall本地拒绝服务漏洞

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 XEN_DOMCTL_memory_mapping hypercall存在安全漏洞，当使用PCI passthrough设备时，允许本地X86 HVM域用户通过特殊的设备模型请求进行拒绝服务攻击。

Severity

中

Patch Name

Xen XEN_DOMCTL_memory_mapping hypercall本地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 XEN_DOMCTL_memory_mapping hypercall存在安全漏洞，当使用PCI passthrough设备时，允许本地X86 HVM域用户通过特殊的设备模型请求进行拒绝服务攻击。目前厂商发布了安全公告及相关补丁信息，修复了此安全问题。

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-125.html

Reference

http://xenbits.xen.org/xsa/advisory-125.html

Impacted products

Name
['Xen Xen >=3.2.x', 'Xen Xen <=3.1.x']

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2015-2752"
    }
  },
  "description": "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 XEN_DOMCTL_memory_mapping hypercall\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u5f53\u4f7f\u7528PCI passthrough\u8bbe\u5907\u65f6\uff0c\u5141\u8bb8\u672c\u5730X86 HVM\u57df\u7528\u6237\u901a\u8fc7\u7279\u6b8a\u7684\u8bbe\u5907\u6a21\u578b\u8bf7\u6c42\u8fdb\u884c\u62d2\u7edd\u670d\u52a1\u653b\u51fb\u3002",
  "discovererName": "Konrad Rzeszutek Wilk of Oracle",
  "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-125.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2015-02174",
  "openTime": "2015-04-07",
  "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\u3002Xen XEN_DOMCTL_memory_mapping hypercall\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u5f53\u4f7f\u7528PCI passthrough\u8bbe\u5907\u65f6\uff0c\u5141\u8bb8\u672c\u5730X86 HVM\u57df\u7528\u6237\u901a\u8fc7\u7279\u6b8a\u7684\u8bbe\u5907\u6a21\u578b\u8bf7\u6c42\u8fdb\u884c\u62d2\u7edd\u670d\u52a1\u653b\u51fb\u3002\u76ee\u524d\u5382\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u5b89\u5168\u95ee\u9898\u3002",
  "patchName": "Xen XEN_DOMCTL_memory_mapping hypercall\u672c\u5730\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Xen Xen \u003e=3.2.x",
      "Xen Xen \u003c=3.1.x"
    ]
  },
  "referenceLink": "http://xenbits.xen.org/xsa/advisory-125.html",
  "serverity": "\u4e2d",
  "submitTime": "2015-04-02",
  "title": "Xen XEN_DOMCTL_memory_mapping hypercall\u672c\u5730\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2015-2752 (GCVE-0-2015-2752)

Vulnerability from cvelistv5 – Published: 2015-04-01 14:00 – Updated: 2024-08-06 05:24

Summary

The XEN_DOMCTL_memory_mapping hypercall in Xen 3.2.x through 4.5.x, when using a PCI passthrough device, is not preemptible, which allows local x86 HVM domain users to cause a denial of service (host CPU consumption) via a crafted request to the device model (qemu-dm).

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

9 references

URL	Tags
http://www.securitytracker.com/id/1031994	vdb-entryx_refsource_SECTRACK
https://security.gentoo.org/glsa/201504-04	vendor-advisoryx_refsource_GENTOO
http://lists.fedoraproject.org/pipermail/package-…	vendor-advisoryx_refsource_FEDORA
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
http://www.securityfocus.com/bid/73448	vdb-entryx_refsource_BID
http://lists.fedoraproject.org/pipermail/package-…	vendor-advisoryx_refsource_FEDORA
http://xenbits.xen.org/xsa/advisory-125.html	x_refsource_CONFIRM
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
http://lists.fedoraproject.org/pipermail/package-…	vendor-advisoryx_refsource_FEDORA

Date Public

2015-03-31 00:00

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.