CVE-2015-7312
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.x版本和2.x版本的Advanced Union Filesystem(aufs)aufs3-mmap.patch和aufs4-mmap.patch补丁中存在竞争条件漏洞。本地攻击者可借助madvise或msync系统调用利用该漏洞造成拒绝服务（释放后重用和BUG），或获取权限。
Possible ATT&CK Techniques 2 AI
T1068 · Exploitation for Privilege Escalation T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2015-7312
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Multiple race conditions in the Advanced Union Filesystem (aufs) aufs3-mmap.patch and aufs4-mmap.patch patches for the Linux kernel 3.x and 4.x allow local users to cause a denial of service (use-after-free and BUG) or possibly gain privileges via a (1) madvise or (2) msync system call, related to mm/madvise.c and mm/msync.c.
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.x版本和2.x版本的Advanced Union Filesystem(aufs)aufs3-mmap.patch和aufs4-mmap.patch补丁中存在竞争条件漏洞。本地攻击者可借助madvise或msync系统调用利用该漏洞造成拒绝服务（释放后重用和BUG），或获取权限。
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-2015-7312
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2015-7312 (2)
Mailing List Discussions for CVE-2015-7312 (1)
Same Patch Batch · n/a · 2015-11-16 · 13 CVEs total
| CVE-2015-2924 | NetworkManager IPv6栈输入验证漏洞 | |
| CVE-2015-8215 | Linux kernel IPv6栈输入验证错误漏洞 | |
| CVE-2014-9752 | ATutor 输入验证漏洞 | |
| CVE-2015-7712 | ATutor eval注入漏洞 | |
| CVE-2015-7815 | Piwik 目录遍历漏洞 | |
| CVE-2015-7816 | Piwik 安全漏洞 | |
| CVE-2015-7897 | Samsung Galaxy S6 Edge 缓冲区溢出漏洞 | |
| CVE-2015-2925 | Linux kernel 权限许可和访问控制问题漏洞 | |
| CVE-2015-5257 | Linux kernel 安全漏洞 | |
| CVE-2015-5307 | Linux kernel 资源管理错误漏洞 | |
| CVE-2015-7872 | Linux kernel 输入验证错误漏洞 | |
| CVE-2015-8104 | Linux kernel KVM和Xen 资源管理错误漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2015-7312
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