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CVE-2021-3743

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 存在安全漏洞，该漏洞源于qrtr_endpoint_post() 强制读取Linux内核的无效内存地址。攻击者可利用该漏洞触发拒绝服务或获取敏感信息。

AI Predicted 5.3 Difficulty: Moderate EPSS 0.72% · P52
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I. Basic Information for CVE-2021-3743

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An out-of-bounds (OOB) memory read flaw was found in the Qualcomm IPC router protocol in the Linux kernel. A missing sanity check allows a local attacker to gain access to out-of-bounds memory, leading to a system crash or a leak of internal kernel information. The highest threat from this vulnerability is to system availability.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
Source: CVE Program / CVE List V5
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 存在安全漏洞，该漏洞源于qrtr_endpoint_post() 强制读取Linux内核的无效内存地址。攻击者可利用该漏洞触发拒绝服务或获取敏感信息。
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 Affects linux kernel v5.14.0-rc6 and above. -

II. Public POCs for CVE-2021-3743

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III. Intelligence Information for CVE-2021-3743

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Patches & Fixes for CVE-2021-3743 (2)

Vendor Advisories for CVE-2021-3743 (3)

Mailing List Discussions for CVE-2021-3743 (2)

Same Patch Batch · n/a · 2022-03-04 · 45 CVEs total

CVE-2022-23915 7.2 HIGH Remote Code Execution (RCE)
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CVE-2022-26483 4.8 MEDIUM Veritas Infoscale Operations Manager 跨站脚本漏洞
CVE-2021-3656 KVM 安全漏洞
CVE-2022-23729 LG mobile 授权问题漏洞
CVE-2021-27757 HCL BigFix Insights 安全漏洞
CVE-2021-27756 HCL BigFix Compliance 加密问题漏洞
CVE-2021-44827 Tp-link Archer C2 操作系统命令注入漏洞
CVE-2021-40846 Rhinode Trading Paints 安全漏洞
CVE-2021-46384 MingSoft MCMS 访问控制错误漏洞
CVE-2021-46353 D-Link Dir-X1860 安全漏洞
CVE-2022-23233 Netapp StorageGRID 安全漏洞
CVE-2022-23232 Netapp StorageGRID 授权问题漏洞
CVE-2021-3575 OpenJPEG 缓冲区错误漏洞
CVE-2021-3428 Linux kernel 输入验证错误漏洞
CVE-2021-20319 coreos-installer 数据伪造问题漏洞
CVE-2022-21828 Incapptic Connect 安全漏洞
CVE-2022-25623 Symantec Management Center 安全漏洞
CVE-2021-3744 Linux kernel 安全漏洞
CVE-2022-22946 Vmware VMware Spring Cloud Gateway 信任管理问题漏洞

Showing top 20 of 45 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Kernel
Same vendor: n/a
Same weakness: CWE-125

V. Comments for CVE-2021-3743

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