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CVE-2019-3896

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基金会的开源操作系统Linux所使用的内核。 Linux kernel 2.6 branch版本存在资源管理错误漏洞，该漏洞源于内存双重释放。本地攻击者利用该漏洞提升权限或造成拒绝服务（系统崩溃）。

AI Predicted 7.8 Difficulty: Moderate EPSS 0.42% · P33
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I. Basic Information for CVE-2019-3896

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A double-free can happen in idr_remove_all() in lib/idr.c in the Linux kernel 2.6 branch. An unprivileged local attacker can use this flaw for a privilege escalation or for a system crash and a denial of service (DoS).
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
释放后使用
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基金会的开源操作系统Linux所使用的内核。 Linux kernel 2.6 branch版本存在资源管理错误漏洞，该漏洞源于内存双重释放。本地攻击者利用该漏洞提升权限或造成拒绝服务（系统崩溃）。
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 2.6.32 -

II. Public POCs for CVE-2019-3896

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III. Intelligence Information for CVE-2019-3896

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Vendor Advisories for CVE-2019-3896 (4)

IV. Related Vulnerabilities

Same product: kernel
Same vendor: The Linux Foundation
Same weakness: CWE-416

V. Comments for CVE-2019-3896

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