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CVE-2020-25668

Quick assessment

Affected
n/a Linux Kernel
Exploitation
Public or AI PoC available; prioritize validation
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 con_font_op()存在资源管理错误漏洞，该漏洞可强制使用被释放的内存，从而导致拒绝服务或执行自定义代码。

AI Predicted 8.6 Difficulty: Hard EPSS 1.03% · P60
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I. Basic Information for CVE-2020-25668

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in Linux Kernel because access to the global variable fg_console is not properly synchronized leading to a use after free in con_font_op.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
使用共享资源的并发执行不恰当同步问题(竞争条件)
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 con_font_op()存在资源管理错误漏洞，该漏洞可强制使用被释放的内存，从而导致拒绝服务或执行自定义代码。
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
- Linux Kernel 5.9.2 -

II. Public POCs for CVE-2020-25668

# POC Description Source Link Shenlong Link
1 None https://github.com/hshivhare67/Kernel_4.1.15_CVE-2020-25668 POC Details
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default-local-qwen3.6 · 10683 chars
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III. Intelligence Information for CVE-2020-25668

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Patches & Fixes for CVE-2020-25668 (1)

Vendor Advisories for CVE-2020-25668 (1)

Mailing List Discussions for CVE-2020-25668 (6)

Same Patch Batch · n/a · 2021-05-26 · 92 CVEs total

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CVE-2021-22743 Triconex Model 3009 MP 代码问题漏洞
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CVE-2021-22741 Schneider Electric EcoStruxure Geo SCADA Expert 安全漏洞
CVE-2021-22747 Triconex Model 3009 MP 代码问题漏洞
CVE-2020-22021 FFmpeg 缓冲区错误漏洞
CVE-2021-25643 Couchbase Server 安全漏洞
CVE-2020-22024 FFmpeg 安全漏洞
CVE-2020-22026 FFmpeg 安全漏洞
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Showing top 20 of 92 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Linux Kernel
Same vendor: n/a
Same weakness: CWE-362

V. Comments for CVE-2020-25668

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