CVE-2015-1420
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 3.18.9及之前版本的fs/fhandle.c文件中的‘handle_to_path’函数存在竞争条件漏洞。本地攻击者可通过在执行函数时更改文件句柄的‘handle_bytes’值利用该漏洞绕过既定的大小限制，读取附加的内存位置。
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I. Basic Information for CVE-2015-1420
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Race condition in the handle_to_path function in fs/fhandle.c in the Linux kernel through 3.19.1 allows local users to bypass intended size restrictions and trigger read operations on additional memory locations by changing the handle_bytes value of a file handle during the execution of this function.
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 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 3.18.9及之前版本的fs/fhandle.c文件中的‘handle_to_path’函数存在竞争条件漏洞。本地攻击者可通过在执行函数时更改文件句柄的‘handle_bytes’值利用该漏洞绕过既定的大小限制，读取附加的内存位置。
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 | - |
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II. Public POCs for CVE-2015-1420
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2015-1420 (7)
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https://bugzilla.redhat.com/show_bug.cgi?id=1187534 x_refsource_CONFIRM
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Mailing List Discussions for CVE-2015-1420 (6)
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http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00021.html vendor-advisory x_refsource_SUSE
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http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00023.html vendor-advisory x_refsource_SUSE
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http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00004.html vendor-advisory x_refsource_SUSE
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http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00018.html vendor-advisory x_refsource_SUSE
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http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00011.html vendor-advisory x_refsource_SUSE
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Same Patch Batch · n/a · 2015-03-16 · 10 CVEs total
| CVE-2014-9687 | eCryptfs 信任管理漏洞 | |
| CVE-2015-0778 | Novell osc 操作系统命令注入漏洞 | |
| CVE-2014-7822 | Linux kernel 权限许可和访问控制问题漏洞 | |
| CVE-2014-8159 | Red Hat Enterprise Linux 权限许可和访问控制问题漏洞 | |
| CVE-2014-8172 | Linux kernel 代码注入漏洞 | |
| CVE-2014-8173 | Linux kernel 安全漏洞 | |
| CVE-2015-0274 | Linux kernel XFS 安全漏洞 | |
| CVE-2015-1421 | Linux kernel 释放后重用漏洞 | |
| CVE-2015-1593 | Linux kernel 权限许可和访问控制问题漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2015-1420
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