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CVE-2015-8839

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。ext4是其中的一个日志文件系统组件。 Linux kernel 4.5之前版本的ext4文件系统实现过程中存在竞争条件漏洞。本地攻击者可通过写入页面利用该漏洞造成拒绝服务（磁盘资源消耗）。

AI Predicted 7.8 Difficulty: Moderate EPSS 0.35% · P26

Possible ATT&CK Techniques 1 AI

T1020 · Automated Exfiltration
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I. Basic Information for CVE-2015-8839

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Multiple race conditions in the ext4 filesystem implementation in the Linux kernel before 4.5 allow local users to cause a denial of service (disk corruption) by writing to a page that is associated with a different user's file after unsynchronized hole punching and page-fault handling.
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 ext4文件系统竞争条件漏洞
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。ext4是其中的一个日志文件系统组件。 Linux kernel 4.5之前版本的ext4文件系统实现过程中存在竞争条件漏洞。本地攻击者可通过写入页面利用该漏洞造成拒绝服务（磁盘资源消耗）。
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-2015-8839

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III. Intelligence Information for CVE-2015-8839

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Patches & Fixes for CVE-2015-8839 (2)

Vendor Advisories for CVE-2015-8839 (9)

Mailing List Discussions for CVE-2015-8839 (3)

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-2015-8830 Linux kernel 整数溢出漏洞
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

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

V. Comments for CVE-2015-8839

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