CVE-2017-18255
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。 Linux kernel 4.11之前版本中的kernel/events/core.c文件的‘perf_cpu_time_max_percent_handler’函数存在安全漏洞。本地攻击者可借助较大值利用该漏洞造成拒绝服务（整数溢出）。
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I. Basic Information for CVE-2017-18255
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The perf_cpu_time_max_percent_handler function in kernel/events/core.c in the Linux kernel before 4.11 allows local users to cause a denial of service (integer overflow) or possibly have unspecified other impact via a large value, as demonstrated by an incorrect sample-rate calculation.
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。 Linux kernel 4.11之前版本中的kernel/events/core.c文件的‘perf_cpu_time_max_percent_handler’函数存在安全漏洞。本地攻击者可借助较大值利用该漏洞造成拒绝服务（整数溢出）。
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-2017-18255
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2017-18255 (2)
Vendor Advisories for CVE-2017-18255 (4)
Mailing List Discussions for CVE-2017-18255 (1)
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IV. Related Vulnerabilities
V. Comments for CVE-2017-18255
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