CVE-2021-20261
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I. Basic Information for CVE-2021-20261
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A race condition was found in the Linux kernels implementation of the floppy disk drive controller driver software. The impact of this issue is lessened by the fact that the default permissions on the floppy device (/dev/fd0) are restricted to root. If the permissions on the device have changed the impact changes greatly. In the default configuration root (or equivalent) permissions are required to attack this flaw.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
Vulnerability Title
Linux kernel 竞争条件问题漏洞
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 kernels 存在安全漏洞，该漏洞源于软盘设备(dev fd0)上的默认权限仅限于root。
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 |
|---|---|---|---|---|
| - | kernel | kernel 5.12-rc2 | - |
II. Public POCs for CVE-2021-20261
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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- https://bugzilla.redhat.com/show_bug.cgi?id=1932150x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-20261
Same Patch Batch · n/a · 2021-03-11 · 29 CVEs total
| CVE-2020-29045 | WordPress 代码问题漏洞 | |
| CVE-2021-27919 | Google Golang 安全漏洞 | |
| CVE-2021-28134 | Akash Rajpurohit clipper 安全漏洞 | |
| CVE-2021-28132 | LUCY Security Awareness Software 操作系统命令注入漏洞 | |
| CVE-2021-28144 | D-Link DIR-3060 命令注入漏洞 | |
| CVE-2021-26776 | CSZ CMS 跨站脚本漏洞 | |
| CVE-2021-27677 | Batflat CMS 跨站脚本漏洞 | |
| CVE-2021-27678 | Pawe? Klockiewicz Batflat CMS 跨站脚本漏洞 | |
| CVE-2021-27679 | Pawe? Klockiewicz Batflat CMS 跨站脚本漏洞 | |
| CVE-2021-28088 | ImpressCMS 跨站脚本漏洞 | |
| CVE-2021-28141 | Progress Telerik UI for ASP.NET AJAX 安全漏洞 | |
| CVE-2020-14987 | Bloomreach Experience Manager 安全漏洞 | |
| CVE-2020-14988 | Bloomreach Experience Manager 跨站脚本漏洞 | |
| CVE-2020-14989 | Bloomreach Experience Manager 跨站请求伪造漏洞 | |
| CVE-2020-36278 | Dan Bloomberg Leptonica 缓冲区错误漏洞 | |
| CVE-2021-22714 | Schneider Electric PowerLogic 缓冲区错误漏洞 | |
| CVE-2021-22713 | Schneider Electric PowerLogic 缓冲区错误漏洞 | |
| CVE-2021-22711 | Schneider Electric Interactive Graphical SCADA System 缓冲区错误漏洞 | |
| CVE-2020-36277 | Dan Bloomberg Leptonica 安全漏洞 | |
| CVE-2021-22712 | Schneider Electric Interactive Graphical SCADA System 缓冲区错误漏洞 |
Showing top 20 of 29 CVEs. View all on vendor page → →
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V. Comments for CVE-2021-20261
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