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CVE-2021-4202

EPSS 0.08% · P23
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I. Basic Information for CVE-2021-4202

Vulnerability Information
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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

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III. Intelligence Information for CVE-2021-4202

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Same Patch Batch · n/a · 2022-03-25 · 53 CVEs total

CVE-2022-25582ClassCMS 跨站脚本漏洞
CVE-2022-0897Red Hat libvirt 安全漏洞
CVE-2022-0435Linux kernel 缓冲区错误漏洞
CVE-2021-3933ILM OpenEXR 输入验证错误漏洞
CVE-2021-4203Linux kernel 资源管理错误漏洞
CVE-2021-4147Red Hat libvirt 安全漏洞
CVE-2021-3941ILM OpenEXR 数字错误漏洞
CVE-2022-0330Linux kernel 缓冲区错误漏洞
CVE-2021-43091YesWiki SQL注入漏洞
CVE-2022-25577ALF-BanCo 信任管理问题漏洞
CVE-2022-25574DouPHP 跨站脚本漏洞
CVE-2022-26263Yonyou u8 跨站脚本漏洞
CVE-2022-27881OpenBSD 安全漏洞
CVE-2022-27882OpenBSD 安全漏洞
CVE-2021-43636TotoLink T10 安全漏洞
CVE-2021-22100cloud foundry 资源管理错误漏洞
CVE-2021-4157Linux kernel 缓冲区错误漏洞
CVE-2021-20290OpenSC 安全漏洞
CVE-2021-3567SUSE OpenStack Cloud 缓冲区错误漏洞
CVE-2021-3582QEMU 缓冲区错误漏洞

Showing top 20 of 53 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: kernel
Same vendor: n/a
Same weakness: CWE-362

V. Comments for CVE-2021-4202

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