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

Goal: 1000 CNY · Raised: 1000 CNY

100.0%
Get alerts for future matching vulnerabilitiesLog in to subscribe
I. Basic Information for CVE-2021-4154
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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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
A use-after-free flaw was found in cgroup1_parse_param in kernel/cgroup/cgroup-v1.c in the Linux kernel's cgroup v1 parser. A local attacker with a user privilege could cause a privilege escalation by exploiting the fsconfig syscall parameter leading to a container breakout and a denial of service on the system.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
释放后使用
Source: NVD (National Vulnerability Database)
Vulnerability Title
Linux kernel 资源管理错误漏洞
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 存在资源管理错误漏洞,该漏洞源于 Linux kernel 的 cgroup v1 解析器中 kernel/cgroup/cgroup-v1.c 中的 cgroup1_parse_param() 函数中的 use-after-free 错误。 本地用户可以通过 fsconfig syscall 参数执行任意代码,导致容器突破。该漏洞允许本地用户提升系统权限。
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
VendorProductAffected VersionsCPESubscribe
-kernel Fixed in kernel 5.14 rc2 -
II. Public POCs for CVE-2021-4154
#POC DescriptionSource LinkShenlong Link
1CVE-2021-4154 exploithttps://github.com/Markakd/CVE-2021-4154POC Details
2CVE-2021-4154https://github.com/veritas501/CVE-2021-4154POC Details
AI-Generated POCPremium

No public POC found.

Login to generate AI POC
III. Intelligence Information for CVE-2021-4154
Please Login to view more intelligence information
IV. Related Vulnerabilities
V. Comments for CVE-2021-4154

No comments yet


Leave a comment