CVE-2021-3759
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I. Basic Information for CVE-2021-3759
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A memory overflow vulnerability was found in the Linux kernel’s ipc functionality of the memcg subsystem, in the way a user calls the semget function multiple times, creating semaphores. This flaw allows a local user to starve the resources, causing a denial of service. 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
未加控制的资源消耗(资源穷尽)
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 存在资源管理错误漏洞，攻击者可利用该漏洞通过IPC对象Memcg Limits Bypass触发拒绝服务。
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 | Fixed in Linux kernel 5.15-rc1 | - |
II. Public POCs for CVE-2021-3759
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · n/a · 2022-08-23 · 54 CVEs total
| CVE-2022-24381 | 7.5 HIGH | Denial of Service (DoS) |
| CVE-2022-25888 | 7.5 HIGH | Denial of Service (DoS) |
| CVE-2022-25761 | 7.5 HIGH | Denial of Service (DoS) |
| CVE-2022-24298 | 7.5 HIGH | Denial of Service (DoS) |
| CVE-2022-21208 | 7.5 HIGH | Denial of Service (DoS) |
| CVE-2022-25231 | 7.5 HIGH | Denial of Service (DoS) |
| CVE-2022-25304 | 7.5 HIGH | Denial of Service (DoS) |
| CVE-2022-25302 | 7.5 HIGH | Denial of Service (DoS) |
| CVE-2022-37428 | 6.5 MEDIUM | PowerDNS Recursor 安全漏洞 |
| CVE-2021-3839 | DPDK 缓冲区错误漏洞 | |
| CVE-2021-3690 | Red Hat JBoss Enterprise Application Platform资源管理错误漏洞 | |
| CVE-2022-35115 | IceWarp WebClient SQL注入漏洞 | |
| CVE-2020-35509 | Red Hat Keycloak 信任管理问题漏洞 | |
| CVE-2021-3827 | Red Hat Keycloak 授权问题漏洞 | |
| CVE-2021-3798 | openCryptoki 安全漏洞 | |
| CVE-2022-37111 | BlueCMS SQL注入漏洞 | |
| CVE-2022-37112 | BlueCMS SQL注入漏洞 | |
| CVE-2022-37113 | BlueCMS SQL注入漏洞 | |
| CVE-2022-37223 | jfinal cms SQL注入漏洞 | |
| CVE-2022-37199 | jfinal cms SQL注入漏洞 |
Showing top 20 of 54 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-400
- CVE-2026-8187
Open5GS UPF gtp-path.c _gtpv1_u_recv_cb resource consumption - CVE-2026-42343
FastGPT: Uncontrolled Resource Consumption leading to Sandbo - CVE-2026-42212
SolidCAM-GPPL-IDE: XML External Entity (XXE) and billion-lau - CVE-2026-32686
Unbounded exponent in decimal enables unauthenticated DoS - CVE-2026-20188
Cisco Crosswork Network Controller and Cisco Network Service
V. Comments for CVE-2021-3759
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