Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1000 CNY

100.0%
Buy Us a Coffee
Get alerts for future matching vulnerabilitiesLog in to subscribe
I. Basic Information for CVE-2021-4204
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
An out-of-bounds (OOB) memory access flaw was found in the Linux kernel's eBPF due to an Improper Input Validation. This flaw allows a local attacker with a special privilege to crash the system or leak internal information.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
输入验证不恰当
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 存在缓冲区错误漏洞，该漏洞源于在执行用户提供的 eBPF 程序之前缺乏适当的验证。攻击者可以利用此漏洞升级权限并在内核上下文中执行代码。
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
VendorProductAffected VersionsCPESubscribe
-kernel Affects Linux kernel v5.8 or later -
II. Public POCs for CVE-2021-4204
#POC DescriptionSource LinkShenlong Link
1CVE-2021-4204: Linux Kernel eBPF Local Privilege Escalationhttps://github.com/tr3ee/CVE-2021-4204POC Details
AI-Generated POCPremium

No public POC found.

Login to generate AI POC
III. Intelligence Information for CVE-2021-4204
Please Login to view more intelligence information
IV. Related Vulnerabilities
Same product: kernel
Same vendor: n/a
Same weakness: CWE-20
V. Comments for CVE-2021-4204

No comments yet

Leave a comment