CVE-2014-8594
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.x版本至4.4.x版本的arch/x86/mm.c文件中‘do_mmu_update’函数存在安全漏洞，该漏洞源于程序没有限制PV页面表单的访问。远程攻击者可利用该漏洞造成拒绝服务（空指针逆向引用）。
Possible ATT&CK Techniques 1 AI
T1021 · Remote Services
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I. Basic Information for CVE-2014-8594
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The do_mmu_update function in arch/x86/mm.c in Xen 4.x through 4.4.x does not properly restrict updates to only PV page tables, which allows remote PV guests to cause a denial of service (NULL pointer dereference) by leveraging hardware emulation services for HVM guests using Hardware Assisted Paging (HAP).
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 ‘do_mmu_update’函数输入验证漏洞
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.x版本至4.4.x版本的arch/x86/mm.c文件中‘do_mmu_update’函数存在安全漏洞，该漏洞源于程序没有限制PV页面表单的访问。远程攻击者可利用该漏洞造成拒绝服务（空指针逆向引用）。
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-2014-8594
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2014-8594 (5)
Mailing List Discussions for CVE-2014-8594 (2)
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http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00005.html vendor-advisory x_refsource_SUSE
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http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00010.html vendor-advisory x_refsource_SUSE
Other References for CVE-2014-8594 (1)
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http://xenbits.xen.org/xsa/advisory-109.html x_refsource_CONFIRM
Same Patch Batch · n/a · 2014-11-19 · 24 CVEs total
| CVE-2014-7899 | Google Chrome 输入验证漏洞 | |
| CVE-2014-7910 | Google Chrome 拒绝服务漏洞 | |
| CVE-2014-7909 | Google Skia 数字错误漏洞 | |
| CVE-2014-7908 | Google Chrome 数字错误漏洞 | |
| CVE-2014-7907 | Google Chrome Blink 资源管理错误漏洞 | |
| CVE-2014-7906 | Google Chrome Pepper插件资源管理错误漏洞 | |
| CVE-2014-7905 | Google Chrome 安全绕过漏洞 | |
| CVE-2014-7904 | Google Skia 缓冲区溢出漏洞 | |
| CVE-2014-7903 | Google Chrome PDFium OpenJPEG 缓冲区溢出漏洞 | |
| CVE-2014-7902 | Google Chrome PDFium 代码注入漏洞 | |
| CVE-2014-7901 | Google Chrome PDFium OpenJPEG 数字错误漏洞 | |
| CVE-2014-7900 | Google Chrome PDFium 资源管理错误漏洞 | |
| CVE-2014-5342 | Aruba Networks ClearPass 安全漏洞 | |
| CVE-2014-8629 | Pandora FMS Page visualization agent 跨站脚本漏洞 | |
| CVE-2014-7290 | Atlas Systems Aeon 跨站脚本漏洞 | |
| CVE-2014-8595 | Xen 代码注入漏洞 | |
| CVE-2014-7828 | Red Hat FreeIPA 权限许可和访问控制漏洞 | |
| CVE-2014-6627 | Aruba Networks ClearPass 命令注入漏洞 | |
| CVE-2014-6626 | Aruba Networks ClearPass 安全漏洞 | |
| CVE-2014-6625 | Aruba Networks ClearPass Policy Manager 访问控制错误漏洞 |
Showing top 20 of 24 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2014-8594
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