cnvd - cnvd-2015-08352

cnvd-2015-08352

Vulnerability from cnvd

Title: Xen 'memory_exchange'函数拒绝服务漏洞（CNVD-2015-08352）

Description:

Xen是英国剑桥大学开发的一款开源的虚拟机监视器产品。

Xen common/memory.c文件中的‘memory_exchange’函数未能正确解除锁定，允许本地攻击者利用该漏洞使应用程序崩溃。

Severity: 中

Patch Name: Xen 'memory_exchange'函数拒绝服务漏洞（CNVD-2015-08352）的补丁

Patch Description:

Xen是英国剑桥大学开发的一款开源的虚拟机监视器产品。

Xen common/memory.c文件中的‘memory_exchange’函数未能正确解除锁定，允许本地攻击者可利用该漏洞使应用程序崩溃。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:

用户可参考如下厂商提供的安全补丁以修复该漏洞： http://xenbits.xen.org/xsa/advisory-159.html

Reference: http://xenbits.xen.org/xsa/advisory-159.html

Impacted products

Name
Xen Xen 3.2.x - 4.6.x

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2015-8340"
    }
  },
  "description": "Xen\u662f\u82f1\u56fd\u5251\u6865\u5927\u5b66\u5f00\u53d1\u7684\u4e00\u6b3e\u5f00\u6e90\u7684\u865a\u62df\u673a\u76d1\u89c6\u5668\u4ea7\u54c1\u3002\r\n\r\nXen common/memory.c\u6587\u4ef6\u4e2d\u7684\u2018memory_exchange\u2019\u51fd\u6570\u672a\u80fd\u6b63\u786e\u89e3\u9664\u9501\u5b9a\uff0c\u5141\u8bb8\u672c\u5730\u653b\u51fb\u8005\u5229\u7528\u8be5\u6f0f\u6d1e\u4f7f\u5e94\u7528\u7a0b\u5e8f\u5d29\u6e83\u3002",
  "discovererName": "Julien Grall of Citrix and Jan Beulich of SUSE",
  "formalWay": "\u7528\u6237\u53ef\u53c2\u8003\u5982\u4e0b\u5382\u5546\u63d0\u4f9b\u7684\u5b89\u5168\u8865\u4e01\u4ee5\u4fee\u590d\u8be5\u6f0f\u6d1e\uff1a\r\nhttp://xenbits.xen.org/xsa/advisory-159.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2015-08352",
  "openTime": "2015-12-22",
  "patchDescription": "Xen\u662f\u82f1\u56fd\u5251\u6865\u5927\u5b66\u5f00\u53d1\u7684\u4e00\u6b3e\u5f00\u6e90\u7684\u865a\u62df\u673a\u76d1\u89c6\u5668\u4ea7\u54c1\u3002\r\n\r\nXen common/memory.c\u6587\u4ef6\u4e2d\u7684\u2018memory_exchange\u2019\u51fd\u6570\u672a\u80fd\u6b63\u786e\u89e3\u9664\u9501\u5b9a\uff0c\u5141\u8bb8\u672c\u5730\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u4f7f\u5e94\u7528\u7a0b\u5e8f\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": "Xen \u0027memory_exchange\u0027\u51fd\u6570\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2015-08352\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Xen Xen 3.2.x - 4.6.x"
  },
  "referenceLink": "http://xenbits.xen.org/xsa/advisory-159.html",
  "serverity": "\u4e2d",
  "submitTime": "2015-12-20",
  "title": "Xen \u0027memory_exchange\u0027\u51fd\u6570\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2015-08352\uff09"
}

CVE-2015-8340 (GCVE-0-2015-8340)

Vulnerability from cvelistv5

Published

2015-12-17 19:00

Modified

2024-08-06 08:13

Severity ?

CWE

Summary

The memory_exchange function in common/memory.c in Xen 3.2.x through 4.6.x does not properly release locks, which might allow guest OS administrators to cause a denial of service (deadlock or host crash) via unspecified vectors, related to XENMEM_exchange error handling.

References

▼	URL	Tags
	http://www.debian.org/security/2016/dsa-3519	vendor-advisory, x_refsource_DEBIAN
	http://xenbits.xen.org/xsa/advisory-159.html	x_refsource_CONFIRM
	http://www.securitytracker.com/id/1034391	vdb-entry, x_refsource_SECTRACK
	http://support.citrix.com/article/CTX203451	x_refsource_CONFIRM
	https://security.gentoo.org/glsa/201604-03	vendor-advisory, x_refsource_GENTOO
	http://www.securityfocus.com/bid/79038	vdb-entry, x_refsource_BID

Impacted products

	Vendor	Product	Version
	n/a	n/a	Version: n/a

Show details on NVD website

JSON

To clipboard

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              "x_transferred"
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            "url": "http://www.securitytracker.com/id/1034391"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
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            "url": "http://support.citrix.com/article/CTX203451"
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            "url": "http://www.securityfocus.com/bid/79038"
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        },
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          "url": "http://xenbits.xen.org/xsa/advisory-159.html"
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              "url": "http://support.citrix.com/article/CTX203451"
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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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