CVE-2021-3743
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I. Basic Information for CVE-2021-3743
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
跨界内存读
Source: NVD (National Vulnerability Database)
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
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://lists.openwall.net/netdev/2021/08/17/124x_refsource_MISC
- https://bugzilla.redhat.com/show_bug.cgi?id=1997961x_refsource_MISC
- https://www.openwall.com/lists/oss-security/2021/08/27/2x_refsource_MISC
- https://security.netapp.com/advisory/ntap-20220407-0007/x_refsource_CONFIRM
- https://www.oracle.com/security-alerts/cpujul2022.htmlx_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-3743
Same Patch Batch · n/a · 2022-03-04 · 45 CVEs total
| CVE-2022-23915 | 7.2 HIGH | Remote Code Execution (RCE) |
| CVE-2022-26484 | 4.9 MEDIUM | Veritas InfoScale Operations Manager路径遍历漏洞 |
| 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
- CVE-2025-26604
Possibility to retrieve bot token by malicious module develo - CVE-2021-35000
OpenBSD Kernel Multicast Routing Uninitialized Memory Inform - CVE-2021-34999
OpenBSD Kernel Multicast Routing Uninitialized Memory Inform - CVE-2021-34981
Linux Kernel Bluetooth CMTP Module Double Free Privilege Esc - CVE-2024-24898
Information Leakage in kernel
Same vendor: n/a
- CVE-2026-8276
bettercap MySQL Server mysql_server.go integer coercion - CVE-2026-8275
bettercap zerogod IPP Service zerogod_ipp_primitives.go ippR - CVE-2026-8270
Open5GS SMF ogs_nas_parse_qos_rules denial of service - CVE-2026-8269
Open5GS SMF smf_nsmf_handle_create_sm_context denial of serv - CVE-2026-8268
Open5GS SMF OpenAPI_list_create denial of service
Same weakness: CWE-125
- CVE-2026-8177
XML::LibXML versions through 2.0210 for Perl read out-of-bou - CVE-2026-6104
Global buffer over-read in mb_convert_encoding() with attack - CVE-2026-7258
Out-of-bounds read in urldecode() on NetBSD - CVE-2026-8186
Open5GS NF client.c ogs_sbi_client_send_via_scp_or_sepp out- - CVE-2026-3508
ASUS System Control Interface 缓冲区错误漏洞
V. Comments for CVE-2021-3743
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