CVE-2021-4197
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I. Basic Information for CVE-2021-4197
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
An unprivileged write to the file handler flaw in the Linux kernel's control groups and namespaces subsystem was found in the way users have access to some less privileged process that are controlled by cgroups and have higher privileged parent process. It is actually both for cgroup2 and cgroup1 versions of control groups. A local user could use this flaw to crash the system or escalate their privileges on the system.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
认证机制不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Linux kernel 授权问题漏洞
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 kernel 存在授权问题漏洞，攻击者可利用该漏洞通过Cgroup Fd Writing绕过Linux内核的限制以提升权限。
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 | Linux kernel 5.17-rc1 | - |
II. Public POCs for CVE-2021-4197
| # | 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=2035652x_refsource_MISC
- https://security.netapp.com/advisory/ntap-20220602-0006/x_refsource_CONFIRM
- https://www.oracle.com/security-alerts/cpujul2022.htmlx_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-4197
Same Patch Batch · n/a · 2022-03-23 · 65 CVEs total
| CVE-2022-27192 | Aseco Lietuva document management system DVS Avilys 日志信息泄露漏洞 | |
| CVE-2022-27077 | Tenda M3 命令注入漏洞 | |
| CVE-2022-27080 | Tenda M3 命令注入漏洞 | |
| CVE-2022-27079 | Tenda M3 命令注入漏洞 | |
| CVE-2022-27078 | Tenda M3 命令注入漏洞 | |
| CVE-2020-20096 | Meta Facebook Messenger 安全漏洞 | |
| CVE-2020-20095 | Apple iMessage iOS 安全漏洞 | |
| CVE-2020-20094 | Meta Facebook Messenger 安全漏洞 | |
| CVE-2020-20093 | Meta Facebook Messenger 安全漏洞 | |
| CVE-2022-25041 | OpenEMR 安全漏洞 | |
| CVE-2022-25267 | Passwork On-Premise Edition 路径遍历漏洞 | |
| CVE-2022-24934 | Kingsoft WPS 代码注入漏洞 | |
| CVE-2022-22819 | Nxp Semiconductors Nxp Lpc55S69 安全漏洞 | |
| CVE-2022-27254 | Honda Civic 安全漏洞 | |
| CVE-2022-23881 | ZZZCMS zzzphp 安全漏洞 | |
| CVE-2022-23880 | Taocms 代码问题漏洞 | |
| CVE-2022-22952 | VMware Carbon Black App Control 代码问题漏洞 | |
| CVE-2022-22951 | VMware Carbon Black App Control 操作系统命令注入漏洞 | |
| CVE-2021-4150 | Linux kernel 资源管理错误漏洞 | |
| CVE-2021-4149 | Linux kernel 竞争条件问题漏洞 |
Showing top 20 of 65 CVEs. View all on vendor page → →
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Information Leakage in kernel
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Same weakness: CWE-287
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