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CVE-2015-6252

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 4.1.4及之前版本的drivers/vhost/vhost.c文件中的‘vhost_dev_ioctl’函数存在安全漏洞。本地攻击者可借助触发永久文件描述符分配的VHOST_SET_LOG_FD ioctl调用利用该漏洞造成拒绝服务（内存消耗）。

AI Predicted 5.5 Difficulty: Easy EPSS 0.44% · P36

Possible ATT&CK Techniques 1 AI

T1298
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I. Basic Information for CVE-2015-6252

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The vhost_dev_ioctl function in drivers/vhost/vhost.c in the Linux kernel before 4.1.5 allows local users to cause a denial of service (memory consumption) via a VHOST_SET_LOG_FD ioctl call that triggers permanent file-descriptor allocation.
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 资源管理错误漏洞
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 4.1.4及之前版本的drivers/vhost/vhost.c文件中的‘vhost_dev_ioctl’函数存在安全漏洞。本地攻击者可借助触发永久文件描述符分配的VHOST_SET_LOG_FD ioctl调用利用该漏洞造成拒绝服务（内存消耗）。
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-2015-6252

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III. Intelligence Information for CVE-2015-6252

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Patches & Fixes for CVE-2015-6252 (2)

Vendor Advisories for CVE-2015-6252 (11)

Mailing List Discussions for CVE-2015-6252 (4)

Other References for CVE-2015-6252 (1)

Same Patch Batch · n/a · 2015-10-19 · 18 CVEs total

CVE-2015-7863 Persistent Systems Accelerite Radia Client Automation 安全漏洞
CVE-2015-7833 Red Hat Enterprise Linux kernel usbvision驱动程序拒绝服务漏洞
CVE-2015-7799 Linux kernel 拒绝服务漏洞
CVE-2015-7613 Linux kernel IPC对象实现竞争条件漏洞
CVE-2015-6937 Linux kernel 拒绝服务漏洞
CVE-2015-5707 Linux kernel‘/scsi/sg.c’数字错误漏洞
CVE-2015-5283 Linux kernel 缓冲区错误漏洞
CVE-2015-5156 Linux kernel 缓冲区错误漏洞
CVE-2015-0275 Linux kernel‘fs/ext4/extents.c’代码注入漏洞
CVE-2015-7748 Juniper Networks Trio Chipset 拒绝服务漏洞
CVE-2015-7862 Persistent Systems Accelerite Radia Client Automation 安全漏洞
CVE-2015-7861 Persistent Systems Accelerite Radia Client Automation 权限许可和访问控制漏洞
CVE-2015-7860 Persistent Systems Accelerite Radia Client Automation 基于栈的缓冲区溢出漏洞
CVE-2015-7752 Juniper Networks Junos OS SSH服务器资源管理错误漏洞
CVE-2015-7751 Juniper Networks Junos OS 安全漏洞
CVE-2015-7750 Juniper Networks Netscreen and ScreenOS Firewall 拒绝服务漏洞
CVE-2015-7749 Juniper Networks vSRX virtual防火墙拒绝服务漏洞

IV. Related Vulnerabilities

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

V. Comments for CVE-2015-6252

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