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CVE-2015-7812

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 4.4.x版本至4.6.x版本的arch/arm/domain.c文件中的‘hypercall_create_continuation’函数存在安全漏洞。本地虚拟机端攻击者可借助多调用接口的抢占式的超级调用利用该漏洞造成拒绝服务（主机崩溃）。

AI Predicted 4.7 Difficulty: Moderate EPSS 0.40% · P31
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I. Basic Information for CVE-2015-7812

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The hypercall_create_continuation function in arch/arm/domain.c in Xen 4.4.x through 4.6.x allows local guest users to cause a denial of service (host crash) via a preemptible hypercall to the multicall interface.
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 4.4.x版本至4.6.x版本的arch/arm/domain.c文件中的‘hypercall_create_continuation’函数存在安全漏洞。本地虚拟机端攻击者可借助多调用接口的抢占式的超级调用利用该漏洞造成拒绝服务（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-2015-7812

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III. Intelligence Information for CVE-2015-7812

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Vendor Advisories for CVE-2015-7812 (3)

Mailing List Discussions for CVE-2015-7812 (3)

Other References for CVE-2015-7812 (1)

Same Patch Batch · n/a · 2015-11-17 · 21 CVEs total

CVE-2015-7998 Citrix Systems NetScaler Application Delivery Controller和NetScaler Gateway 安全漏洞
CVE-2015-8219 FFmpeg‘init_tile’函数输入验证漏洞
CVE-2015-8218 FFmpeg‘decode_uncompressed’函数输入验证漏洞
CVE-2015-8217 FFmpeg‘ff_hevc_parse_sps’函数输入验证漏洞
CVE-2015-8216 FFmpeg‘ljpeg_decode_yuv_scan’函数拒绝服务漏洞
CVE-2015-8233 Drupal MAYO主题跨站脚本漏洞
CVE-2015-8232 Drupal UC Profile模块安全漏洞
CVE-2015-8222 Ubuntu lxd程序包安全漏洞
CVE-2015-8221 Google Picasa 数字错误漏洞
CVE-2015-8220 SolarWinds DameWare Mini Remote Control 基于栈的缓冲区溢出漏洞
CVE-2015-0272 NetworkManager 输入验证错误漏洞
CVE-2015-7997 Citrix Systems NetScaler Application Delivery Controller和NetScaler Gateway 跨站脚本漏洞
CVE-2015-7996 Citrix Systems NetScaler Application Delivery Controller和NetScaler Gateway 安全漏洞
CVE-2015-7995 Libxslt‘libxslt/preproc.c’远程拒绝服务漏洞
CVE-2015-7805 libsndfile 基于堆的缓冲区溢出漏洞
CVE-2015-5602 Sudo sudoedit 安全漏洞
CVE-2015-5311 PowerDNS Authoritative Server 拒绝服务漏洞
CVE-2015-5301 Ipsilon Identity Provider 服务器安全漏洞
CVE-2015-5276 GNU Compiler Collection libstdc++组件安全漏洞
CVE-2015-5217 Ipsilon Identity Provider服务器拒绝服务漏洞

IV. Related Vulnerabilities

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

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