Support Us — Your donation helps us keep running

Goal: 1000 CNY,Raised: 1000 CNY

100.0%
Get alerts for future matching vulnerabilitiesLog in to subscribe
I. Basic Information for CVE-2021-4202
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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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 nci_request in net/nfc/nci/core.c in NFC Controller Interface (NCI) in the Linux kernel. This flaw could allow a local attacker with user privileges to cause a data race problem while the device is getting removed, leading to a privilege escalation problem.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
使用共享资源的并发执行不恰当同步问题(竞争条件)
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 存在安全漏洞,攻击者可利用该漏洞通过nci request()强制重用Linux内核中已释放的内存区域,以触发拒绝服务,并可能运行代码。
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 kernel 5.16 rc2 -
II. Public POCs for CVE-2021-4202
#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium

No public POC found.

Login to generate AI POC
III. Intelligence Information for CVE-2021-4202
Please Login to view more intelligence information
New Vulnerabilities
V. Comments for CVE-2021-4202

No comments yet


Leave a comment