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CVE-2021-3715

Quick assessment

Affected
n/a kernel
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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，该漏洞源于流量控制网络子系统中的“路由决策”分类器处理分类过滤器更改的方式会导致使用后释放条件。该漏洞允许无特权的本地用户提升他们在系统上的权限。

AI Predicted 7.8 Difficulty: Moderate EPSS 0.35% · P28

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2021-3715

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in the "Routing decision" classifier in the Linux kernel's Traffic Control networking subsystem in the way it handled changing of classification filters, leading to a use-after-free condition. This flaw allows unprivileged local users to escalate their privileges on the system. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
释放后使用
Source: CVE Program / CVE List V5
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，该漏洞源于流量控制网络子系统中的“路由决策”分类器处理分类过滤器更改的方式会导致使用后释放条件。该漏洞允许无特权的本地用户提升他们在系统上的权限。
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 5.10 -

II. Public POCs for CVE-2021-3715

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III. Intelligence Information for CVE-2021-3715

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Patches & Fixes for CVE-2021-3715 (1)

Same Patch Batch · n/a · 2022-03-02 · 61 CVEs total

CVE-2022-23956 HP PC 输入验证错误漏洞
CVE-2021-3738 Samba 资源管理错误漏洞
CVE-2021-3654 OpenStack 输入验证错误漏洞
CVE-2021-3631 Red Hat libvirt 安全漏洞
CVE-2021-23222 PostgreSQL 安全漏洞
CVE-2021-3667 Red Hat libvirt 安全漏洞
CVE-2022-23878 SeaCMS 安全漏洞
CVE-2021-38268 Liferay Portal 安全漏洞
CVE-2022-22944 Vmware Workspace One Boxer 跨站脚本漏洞
CVE-2022-25045 Home Owners Collection Management System 信任管理问题漏洞
CVE-2022-25016 Home Owners Collection Management System 代码问题漏洞
CVE-2022-23953 HP PC 输入验证错误漏洞
CVE-2022-23954 HP PC 输入验证错误漏洞
CVE-2022-23955 HP PC 输入验证错误漏洞
CVE-2022-23958 HP PC 输入验证错误漏洞
CVE-2022-23957 HP PC 输入验证错误漏洞
CVE-2021-41001 Aruba AOS-CX 命令注入漏洞
CVE-2021-41000 Aruba AOS-CX 命令注入漏洞
CVE-2021-41002 Aruba AOS-CX 路径遍历漏洞
CVE-2021-41003 Aruba AOS-CX 跨站脚本漏洞

Showing top 20 of 61 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: kernel
Same vendor: n/a
Same weakness: CWE-416

V. Comments for CVE-2021-3715

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