CVE-2020-26541
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。KVM是其中的一个基于内核的虚拟机。 Linux内核 5.8.13版本存在安全漏洞，该漏洞源于不正确执行安全引导禁止签名数据库(又名dbx)保护机制。
Possible ATT&CK Techniques 1 AI
T1553.005 · Mark-of-the-Web Bypass
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I. Basic Information for CVE-2020-26541
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The Linux kernel through 5.8.13 does not properly enforce the Secure Boot Forbidden Signature Database (aka dbx) protection mechanism. This affects certs/blacklist.c and certs/system_keyring.c.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
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。KVM是其中的一个基于内核的虚拟机。 Linux内核 5.8.13版本存在安全漏洞，该漏洞源于不正确执行安全引导禁止签名数据库(又名dbx)保护机制。
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-2020-26541
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2020-26541 (1)
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https://lkml.org/lkml/2020/9/15/1871 x_refsource_MISC
Same Patch Batch · n/a · 2020-10-02 · 48 CVEs total
| CVE-2020-7738 | 8.3 HIGH | Arbitrary Code Execution |
| CVE-2020-7736 | 7.3 HIGH | Prototype Pollution |
| CVE-2020-7737 | 7.3 HIGH | Prototype Pollution |
| CVE-2020-26537 | Foxit Reader，PhantomPDF 缓冲区错误漏洞 | |
| CVE-2020-26534 | Foxit Reader PhantomPDF 资源管理错误漏洞 | |
| CVE-2020-26524 | codelathe filecloud 信息泄露漏洞 | |
| CVE-2020-26523 | Froala Editor 跨站脚本漏洞 | |
| CVE-2020-26519 | artifex mupdf 缓冲区错误漏洞 | |
| CVE-2020-26518 | Artica Pandora FMS SQL注入漏洞 | |
| CVE-2020-26511 | WordPress wpo365-login 插件安全漏洞 | |
| CVE-2020-26540 | Foxit Reader和Foxit PhantomPDF 数据伪造问题漏洞 | |
| CVE-2019-19199 | REDDOXX MailDepot 代码问题漏洞 | |
| CVE-2020-12123 | WAVLINK 跨站请求伪造漏洞 | |
| CVE-2020-12124 | WAVLINK wavlink 操作系统命令注入漏洞 | |
| CVE-2020-12125 | WAVLINK 安全漏洞 | |
| CVE-2020-12126 | WAVLINK 授权问题漏洞 | |
| CVE-2020-12127 | WAVLINK 信息泄露漏洞 | |
| CVE-2020-14293 | Secudos DOMOS conf datetime 操作系统命令注入漏洞 | |
| CVE-2020-14294 | Secudos Qiata FTA 跨站脚本漏洞 | |
| CVE-2020-17382 | MSI Ambient Link Driver 缓冲区错误漏洞 |
Showing top 20 of 48 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2020-26541
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