CVE-2021-33656
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I. Basic Information for CVE-2021-33656
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
When setting font with malicous data by ioctl cmd PIO_FONT,kernel will write memory out of bounds.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
跨界内存写
Source: NVD (National Vulnerability Database)
Vulnerability Title
Linux kernel 缓冲区错误漏洞
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 openEuler-22.03-LTS存在安全漏洞，该漏洞源于通过ioctl cmd PIO_FONT设置带有恶意数据的字体时，内核会越界写入内存。
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 |
|---|---|---|---|---|
| - | openEuler:kernel | <5.10.127 | - |
II. Public POCs for CVE-2021-33656
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · n/a · 2022-07-18 · 32 CVEs total
| CVE-2022-34031 | Nginx 安全漏洞 | |
| CVE-2022-32450 | AnyDesk 后置链接漏洞 | |
| CVE-2022-35404 | ZOHO ManageEngine Password Manager Pro 输入验证错误漏洞 | |
| CVE-2022-24688 | DSK DSKNet 代码问题漏洞 | |
| CVE-2022-24689 | DSK DSKNet 安全漏洞 | |
| CVE-2022-24690 | DSK DSKNet SQL注入漏洞 | |
| CVE-2022-24691 | DSK DSKNet SQL注入漏洞 | |
| CVE-2022-24692 | DSK DSKNet 跨站脚本漏洞 | |
| CVE-2021-33655 | Linux kernel 缓冲区错误漏洞 | |
| CVE-2022-23142 | ZTE ZXEN CG200 资源管理错误漏洞 | |
| CVE-2022-32387 | Kentico 安全漏洞 | |
| CVE-2022-23745 | Capsule Technologies Capsule Workspace 缓冲区错误漏洞 | |
| CVE-2022-34027 | Nginx 安全漏洞 | |
| CVE-2022-34028 | Nginx 安全漏洞 | |
| CVE-2022-34029 | Nginx 缓冲区错误漏洞 | |
| CVE-2022-34030 | Nginx 安全漏洞 | |
| CVE-2022-34643 | riscv-isa-sim 安全漏洞 | |
| CVE-2022-34032 | Nginx 安全漏洞 | |
| CVE-2022-34033 | HTMLDOC 缓冲区错误漏洞 | |
| CVE-2022-34035 | HTMLDOC 缓冲区错误漏洞 |
Showing top 20 of 32 CVEs. View all on vendor page → →
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V. Comments for CVE-2021-33656
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