CVE-2016-3157
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.
Linux kernel是美国Linux基金会发布的开源操作系统Linux所使用的内核。NFSv4 implementation是其中的一个分布式文件系统协议。 Linux kernel的arch/x86/kernel/process_64.c文件中的‘__switch_to’函数存在安全漏洞，该漏洞源于程序没有正确上下文切换64-bit PV Xen虚拟机上的IOPL。虚拟机端攻击者可借助I/O端口访问权限利用该漏洞获取权限，造成拒绝服务（虚拟机OS崩溃），或获取敏感信息。
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I. Basic Information for CVE-2016-3157
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The __switch_to function in arch/x86/kernel/process_64.c in the Linux kernel does not properly context-switch IOPL on 64-bit PV Xen guests, which allows local guest OS users to gain privileges, cause a denial of service (guest OS crash), or obtain sensitive information by leveraging I/O port access.
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
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会发布的开源操作系统Linux所使用的内核。NFSv4 implementation是其中的一个分布式文件系统协议。 Linux kernel的arch/x86/kernel/process_64.c文件中的‘__switch_to’函数存在安全漏洞，该漏洞源于程序没有正确上下文切换64-bit PV Xen虚拟机上的IOPL。虚拟机端攻击者可借助I/O端口访问权限利用该漏洞获取权限，造成拒绝服务（虚拟机OS崩溃），或获取敏感信息。
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 |
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| - | n/a | n/a | - |
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II. Public POCs for CVE-2016-3157
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2016-3157 (12)
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🔗 USN-2996-1: Linux kernel vulnerabilities | Ubuntu security notices | Ubuntu Read full article vendor-advisory x_refsource_UBUNTU
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🔗 USN-2969-1: Linux kernel (Utopic HWE) vulnerabilities | Ubuntu security notices | Ubuntu Read full article vendor-advisory x_refsource_UBUNTU
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Other References for CVE-2016-3157 (2)
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🔗 http://xenbits.xen.org/xsa/advisory-171.html x_refsource_CONFIRM
Same Patch Batch · n/a · 2016-04-12 · 75 CVEs total
| CVE-2016-4003 | Apache Struts Oracle JRE 跨站脚本漏洞 | |
| CVE-2016-1866 | Salt 安全漏洞 | |
| CVE-2016-3169 | Drupal 安全漏洞 | |
| CVE-2016-3168 | Drupal System模块安全漏洞 | |
| CVE-2016-3167 | Drupal‘drupal_goto()’函数开放重定向漏洞 | |
| CVE-2016-3166 | Drupal‘drupal_set_header()’函数CRLF注入漏洞 | |
| CVE-2016-3165 | Drupal Form API 访问绕过漏洞 | |
| CVE-2016-3164 | Drupal 开放重定向漏洞 | |
| CVE-2016-3163 | Drupal XML-RPC系统安全漏洞 | |
| CVE-2016-3162 | Drupal File模块安全漏洞 | |
| CVE-2016-3170 | Drupal 信息泄露漏洞 | |
| CVE-2016-3172 | Cacti SQL注入漏洞 | |
| CVE-2016-2162 | Apache Struts I18NInterceptor 跨站脚本漏洞 | |
| CVE-2016-0785 | Apache Struts 任意代码执行漏洞 | |
| CVE-2016-4004 | Dell OpenManage Server Administrator 目录遍历漏洞 | |
| CVE-2016-3657 | Palo Alto Networks PAN-OS GlobalProtect Portal 缓冲区错误漏洞 | |
| CVE-2016-3656 | Palo Alto Networks PAN-OS GlobalProtect Portal 拒绝服务漏洞 | |
| CVE-2016-3655 | Palo Alto Networks PAN-OS 命令注入漏洞 | |
| CVE-2016-3654 | Palo Alto Networks PAN-OS 命令注入漏洞 | |
| CVE-2016-2405 | Huawei Policy Center 拒绝服务漏洞 |
Showing top 20 of 75 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2016-3157
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