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CVE-2016-2550

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 4.5之前版本中存在安全漏洞，该漏洞源于程序没有正确计算通过UNIX域套接字传递的文件描述符。本地攻击者可利用该漏洞绕过file-descriptor限制，造成拒绝服务（内存损坏）。（注：该漏洞源于CNNVD-201601-382补丁的不完全修复）

AI Predicted 4.3 Difficulty: Moderate EPSS 0.51% · P41

Possible ATT&CK Techniques 1 AI

T1531.002
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I. Basic Information for CVE-2016-2550

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The Linux kernel before 4.5 allows local users to bypass file-descriptor limits and cause a denial of service (memory consumption) by leveraging incorrect tracking of descriptor ownership and sending each descriptor over a UNIX socket before closing it. NOTE: this vulnerability exists because of an incorrect fix for CVE-2013-4312.
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 4.5之前版本中存在安全漏洞，该漏洞源于程序没有正确计算通过UNIX域套接字传递的文件描述符。本地攻击者可利用该漏洞绕过file-descriptor限制，造成拒绝服务（内存损坏）。（注：该漏洞源于CNNVD-201601-382补丁的不完全修复）
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-2016-2550

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III. Intelligence Information for CVE-2016-2550

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Patches & Fixes for CVE-2016-2550 (2)

Vendor Advisories for CVE-2016-2550 (11)

Mailing List Discussions for CVE-2016-2550 (1)

Same Patch Batch · n/a · 2016-04-27 · 28 CVEs total

CVE-2016-2543 Linux kernel 拒绝服务漏洞
CVE-2016-3672 Linux kernel 安全漏洞
CVE-2016-3156 Linux kernel IPv4 拒绝服务漏洞
CVE-2016-3139 Linux kernel 拒绝服务漏洞
CVE-2016-3135 Linux kernel‘xt_alloc_table_info()’整数溢出漏洞
CVE-2016-3134 Linux kernel netfilter子系统拒绝服务漏洞
CVE-2016-2847 Linux kernel 资源管理错误漏洞
CVE-2016-2782 Linux kernel 拒绝服务漏洞
CVE-2016-2549 Linux kernel 拒绝服务漏洞
CVE-2016-2548 Linux kernel 拒绝服务漏洞
CVE-2016-2547 Linux kernel 安全漏洞
CVE-2016-2546 Linux kernel 竞争条件漏洞
CVE-2016-2545 Linux kernel 竞争条件漏洞
CVE-2016-2544 Linux kernel 竞争条件漏洞
CVE-2015-1339 Linux kernel 拒绝服务漏洞
CVE-2016-2384 Linux kernel 双重释放漏洞
CVE-2016-2383 Linux kernel 安全漏洞
CVE-2016-2184 Linux kernel snd-usb-audio Driver驱动程序拒绝服务漏洞
CVE-2016-2143 Linux kernel 输入验证错误漏洞
CVE-2016-2085 Linux kernel‘evm_verify_hmac()’Side-Channel 安全漏洞

Showing top 20 of 28 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

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Same vendor: n/a

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