CVE-2021-20269
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I. Basic Information for CVE-2021-20269
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A flaw was found in the permissions of a log file created by kexec-tools. This flaw allows a local unprivileged user to read this file and leak kernel internal information from a previous panic. The highest threat from this vulnerability is to confidentiality. This flaw affects kexec-tools shipped by Fedora versions prior to 2.0.21-8 and RHEL versions prior to 2.0.20-47.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
缺省权限不正确
Source: NVD (National Vulnerability Database)
Vulnerability Title
Red Hat Enterprise Linux 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Red Hat Enterprise Linux是美国红帽（Red Hat）公司的面向企业用户的Linux操作系统 Red Hat Enterprise Linux 存在安全漏洞，该漏洞源于/sbin/kexec 二进制文件有助于在正常或紧急重启时使用内核的 kexec 功能启动新内核。kexec fastboot 机制允许从已经运行的内核的上下文中启动 Linux 内核。
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 |
|---|---|---|---|---|
| - | kexec-tools | Fedora kexec-tools versions prior to 2.0.21-8 and RHEL kexec-tools versions prior to 2.0.20-47 | - |
II. Public POCs for CVE-2021-20269
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
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- https://bugzilla.redhat.com/show_bug.cgi?id=1934261x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-20269
Same Patch Batch · n/a · 2022-03-09 · 50 CVEs total
| CVE-2022-24960 | 6.5 MEDIUM | Use after free vulnerability in PDFTron SDK |
| CVE-2022-26778 | 5.3 MEDIUM | Veritas System Recovery安全漏洞 |
| CVE-2022-0204 | BlueZ 输入验证错误漏洞 | |
| CVE-2022-25552 | Tenda AX1806 缓冲区错误漏洞 | |
| CVE-2021-44631 | TP-Link WR886N 安全漏洞 | |
| CVE-2021-44627 | TP-LINK WR-886N 安全漏洞 | |
| CVE-2021-44629 | TP-LINK WR-886N 安全漏洞 | |
| CVE-2021-44628 | TP-Link WR886N 安全漏洞 | |
| CVE-2021-44630 | TP-Link WR886N 安全漏洞 | |
| CVE-2022-25566 | Tenda AX1806 缓冲区错误漏洞 | |
| CVE-2022-25561 | Tenda AX12 缓冲区错误漏洞 | |
| CVE-2022-25560 | Tenda AX12 缓冲区错误漏洞 | |
| CVE-2022-25558 | Tenda AX1806 缓冲区错误漏洞 | |
| CVE-2022-25557 | Tenda AX1806 缓冲区错误漏洞 | |
| CVE-2022-25556 | Tenda AX12 缓冲区错误漏洞 | |
| CVE-2022-25555 | Tenda AX1806 缓冲区错误漏洞 | |
| CVE-2022-25547 | Tenda AX1806 缓冲区错误漏洞 | |
| CVE-2022-25554 | Tenda AX1806 缓冲区错误漏洞 | |
| CVE-2022-25553 | Tenda AX1806 缓冲区错误漏洞 | |
| CVE-2021-44632 | TP-Link WR886N 安全漏洞 |
Showing top 20 of 50 CVEs. View all on vendor page → →
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