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CVE-2019-3819

Quick assessment

Affected
The Linux Foundation kernel:
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 v4.18及之后的版本中的drivers/hid/hid-debug.c文件的‘hid_debug_events_read()’函数存在安全漏洞。本地攻击者可利用该漏洞造成拒绝服务（无限循环和封锁系统）。

AI Predicted 5.5 Difficulty: Moderate EPSS 0.46% · P37

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2019-3819

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in the Linux kernel in the function hid_debug_events_read() in drivers/hid/hid-debug.c file which may enter an infinite loop with certain parameters passed from a userspace. A local privileged user ("root") can cause a system lock up and a denial of service. Versions from v4.18 and newer are vulnerable.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
不可达退出条件的循环(无限循环)
Source: CVE Program / CVE List V5
Vulnerability Title
Linux kernel 资源管理错误漏洞
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 v4.18及之后的版本中的drivers/hid/hid-debug.c文件的‘hid_debug_events_read()’函数存在安全漏洞。本地攻击者可利用该漏洞造成拒绝服务（无限循环和封锁系统）。
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
The Linux Foundation kernel: from v4.18 and newer -

II. Public POCs for CVE-2019-3819

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III. Intelligence Information for CVE-2019-3819

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Vendor Advisories for CVE-2019-3819 (6)

Mailing List Discussions for CVE-2019-3819 (3)

IV. Related Vulnerabilities

Same product: kernel:
Same vendor: The Linux Foundation
Same weakness: CWE-835

V. Comments for CVE-2019-3819

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