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CVE-2017-18344

EPSS 12.86% · P94
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I. Basic Information for CVE-2017-18344

Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
The timer_create syscall implementation in kernel/time/posix-timers.c in the Linux kernel before 4.14.8 doesn't properly validate the sigevent->sigev_notify field, which leads to out-of-bounds access in the show_timer function (called when /proc/$PID/timers is read). This allows userspace applications to read arbitrary kernel memory (on a kernel built with CONFIG_POSIX_TIMERS and CONFIG_CHECKPOINT_RESTORE).
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Linux kernel 缓冲区错误漏洞
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。 Linux kernel 4.14.8之前版本中的kernel/time/posix-timers.c文件存在安全漏洞，该漏洞源于timer_create系统调用的实现没有正确地验证sigevent->sigev_notify字段。攻击者可利用该漏洞读取任意的内核内存（越界读取）。
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

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II. Public POCs for CVE-2017-18344

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III. Intelligence Information for CVE-2017-18344

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Same Patch Batch · n/a · 2018-07-26 · 4 CVEs total

CVE-2015-9261BusyBox 代码问题漏洞
CVE-2018-14607Thompson Reuters UltraTax CS 2017 for Windows 安全漏洞
CVE-2018-14608Thompson Reuters UltraTax CS 2017 for Windows 安全漏洞

IV. Related Vulnerabilities

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

V. Comments for CVE-2017-18344

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