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CVE-2015-4170

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 3.13-rc4-next-20131218之前版本的drivers/tty/tty_ldsem.c文件中的‘ldsem_cmpxchg’函数存在竞争条件漏洞。本地攻击者可通过在关闭tty进程期间建立一个新的tty进程利用该漏洞造成拒绝服务（ldsem_down_read和ldsem_down_write死锁）。

AI Predicted 5.5 Difficulty: Hard EPSS 0.33% · P23

Possible ATT&CK Techniques 1 AI

T1025 · Data from Removable Media
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I. Basic Information for CVE-2015-4170

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Race condition in the ldsem_cmpxchg function in drivers/tty/tty_ldsem.c in the Linux kernel before 3.13-rc4-next-20131218 allows local users to cause a denial of service (ldsem_down_read and ldsem_down_write deadlock) by establishing a new tty thread during shutdown of a previous tty thread.
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‘tty/tty_ldsem.c’本地竞争条件漏洞
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 3.13-rc4-next-20131218之前版本的drivers/tty/tty_ldsem.c文件中的‘ldsem_cmpxchg’函数存在竞争条件漏洞。本地攻击者可通过在关闭tty进程期间建立一个新的tty进程利用该漏洞造成拒绝服务（ldsem_down_read和ldsem_down_write死锁）。
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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II. Public POCs for CVE-2015-4170

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III. Intelligence Information for CVE-2015-4170

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Patches & Fixes for CVE-2015-4170 (2)

Vendor Advisories for CVE-2015-4170 (3)

Mailing List Discussions for CVE-2015-4170 (1)

Other References for CVE-2015-4170 (2)

Same Patch Batch · n/a · 2016-05-02 · 36 CVEs total

CVE-2016-2188 Linux kernel 拒绝服务漏洞
CVE-2016-1575 Linux kernel 安全漏洞
CVE-2016-1576 Linux kernel 安全漏洞
CVE-2016-2053 Linux kernel‘crypto/asymmetric_keys/public_key.c’本地拒绝服务漏洞
CVE-2016-2070 Linux kernel 拒绝服务漏洞
CVE-2016-2117 Linux kernel 信息泄露漏洞
CVE-2016-2185 Linux kernel 拒绝服务漏洞
CVE-2016-2186 Linux kernel 拒绝服务漏洞
CVE-2016-2187 Linux kernel 拒绝服务漏洞
CVE-2015-8839 Linux kernel ext4文件系统竞争条件漏洞
CVE-2016-2853 Linux kernel 安全漏洞
CVE-2016-2854 Linux kernel 安全漏洞
CVE-2016-3136 Linux kernel 拒绝服务漏洞
CVE-2016-3137 Linux kernel 拒绝服务漏洞
CVE-2016-3138 Linux kernel 拒绝服务漏洞
CVE-2016-3140 Linux kernel 拒绝服务漏洞
CVE-2016-3689 Linux kernel 拒绝服务漏洞
CVE-2016-3951 Linux kernel 双重释放漏洞
CVE-2015-2686 Linux kernel‘iov_iter_init’函数安全漏洞
CVE-2008-7316 Linux kernel 拒绝服务漏洞

Showing top 20 of 36 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

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Same vendor: n/a

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