CVE-2021-3752
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I. Basic Information for CVE-2021-3752
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 the Linux kernel’s Bluetooth subsystem in the way user calls connect to the socket and disconnect simultaneously due to a race condition. This flaw allows a user to crash the system or escalate their privileges. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
释放后使用
Source: NVD (National Vulnerability Database)
Vulnerability Title
Linux kernel 竞争条件问题漏洞
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 的 Bluetooth subsystem存在竞争条件问题漏洞，该漏洞源于网络系统或产品对系统资源（如内存、磁盘空间、文件等）的管理不当。
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 | kernel 5.15.3 | - |
II. Public POCs for CVE-2021-3752
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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- https://bugzilla.redhat.com/show_bug.cgi?id=1999544x_refsource_MISC
- https://security.netapp.com/advisory/ntap-20220318-0009/x_refsource_CONFIRM
- https://www.oracle.com/security-alerts/cpujul2022.htmlx_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-3752
Same Patch Batch · n/a · 2022-02-16 · 50 CVEs total
| CVE-2021-23682 | 7.3 HIGH | Prototype Pollution |
| CVE-2022-22853 | Sourcecodester Hospital Patient Records Management System 跨站脚本漏洞 | |
| CVE-2022-25265 | Linux kernel 安全漏洞 | |
| CVE-2022-24984 | JqueryForm.com Jquery Form Builder 安全漏洞 | |
| CVE-2022-24985 | JqueryForm.com Jquery Form Builder 安全漏洞 | |
| CVE-2022-22880 | Jeecg-boot 安全漏洞 | |
| CVE-2022-22881 | Jeecg-Boot SQL注入漏洞 | |
| CVE-2022-22885 | Hutool 安全漏洞 | |
| CVE-2022-24983 | JqueryForm.com Jquery Form Builder 安全漏洞 | |
| CVE-2021-3773 | netfilter 信息泄露漏洞 | |
| CVE-2021-3760 | Linux kernel 资源管理错误漏洞 | |
| CVE-2021-3578 | Sourceforge mbsync 代码问题漏洞 | |
| CVE-2022-22945 | VMware NSX-T 操作系统命令注入漏洞 | |
| CVE-2022-23804 | KiCad Eda 缓冲区错误漏洞 | |
| CVE-2022-23803 | KiCad Eda 缓冲区错误漏洞 | |
| CVE-2021-21966 | Texas Instruments Cc3200 SimpleLink Solution Nwp 环境问题漏洞 | |
| CVE-2021-21958 | Hancom Office 缓冲区错误漏洞 | |
| CVE-2021-39300 | Hp Uefi 安全漏洞 | |
| CVE-2021-39299 | Hp Uefi 安全漏洞 | |
| CVE-2021-39301 | Hp Uefi 安全漏洞 |
Showing top 20 of 50 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
V. Comments for CVE-2021-3752
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