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CVE-2015-8340

Quick assessment

Affected
n/a n/a
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Xen是英国剑桥大学开发的一款开源的虚拟机监视器产品。该产品能够使不同和不兼容的操作系统运行在同一台计算机上，并支持在运行时进行迁移，保证正常运行并且避免宕机。 Xen 3.2.x版本至4.6.x版本的的common/memory.c文件中的‘memory_exchange’函数存在安全漏洞，该漏洞源于程序没有正确解除锁定。虚拟机端攻击者可利用该漏洞造成拒绝服务（死锁或主机崩溃）。

AI Predicted 6.5 Difficulty: Moderate EPSS 0.38% · P30

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2015-8340

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Xen 拒绝服务漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability 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。该产品能够使不同和不兼容的操作系统运行在同一台计算机上，并支持在运行时进行迁移，保证正常运行并且避免宕机。 Xen 3.2.x版本至4.6.x版本的的common/memory.c文件中的‘memory_exchange’函数存在安全漏洞，该漏洞源于程序没有正确解除锁定。虚拟机端攻击者可利用该漏洞造成拒绝服务（死锁或主机崩溃）。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
- n/a n/a -

II. Public POCs for CVE-2015-8340

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III. Intelligence Information for CVE-2015-8340

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Vendor Advisories for CVE-2015-8340 (4)

Other References for CVE-2015-8340 (2)

Same Patch Batch · n/a · 2015-12-17 · 15 CVEs total

CVE-2015-4027 Acunetix Web Vulnerability Scanner AcuWVSSchedulerv10服务权限许可和访问控制问题漏洞
CVE-2015-5204 Apache Cordova File Transfer Plugin CRLF注入漏洞
CVE-2015-5277 GNU C Library 缓冲区错误漏洞
CVE-2015-7518 Foreman 跨站脚本漏洞
CVE-2015-7527 Wordpress Cool Video Gallery插件代码注入漏洞
CVE-2015-8327 cups-filters和Foomatic 操作系统命令注入漏洞
CVE-2015-8338 Xen 拒绝服务漏洞
CVE-2015-8339 Xen 拒绝服务漏洞
CVE-2015-8341 Xen libxl toolstack库资源管理错误漏洞
CVE-2015-8368 ntopng 安全漏洞
CVE-2015-8369 Cacti SQL注入漏洞
CVE-2015-8600 SAP Mobile Platform SysAdminWebTool servlets 权限许可和访问控制漏洞
CVE-2015-8601 Drupal Chat Room模块信息泄露漏洞
CVE-2015-8602 Drupal Token Insert Entity模块信息泄露漏洞

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2015-8340

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