CVE-2021-3609
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I. Basic Information for CVE-2021-3609
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
.A flaw was found in the CAN BCM networking protocol in the Linux kernel, where a local attacker can abuse a flaw in the CAN subsystem to corrupt memory, crash the system or escalate privileges. This race condition in net/can/bcm.c in the Linux kernel allows for local privilege escalation to root.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
使用共享资源的并发执行不恰当同步问题(竞争条件)
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 存在竞争条件问题漏洞，该漏洞源于在Linux内核中发现一个缺陷，bcm_release() 和 bcm_rx_handler() 之间发生竞争条件。攻击者可利用该漏洞导致本地权限提升
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 kernel v2.6.25 to v5.13-rc6 | - |
II. Public POCs for CVE-2021-3609
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://security.netapp.com/advisory/ntap-20220419-0004/x_refsource_CONFIRM
- https://www.openwall.com/lists/oss-security/2021/06/19/1x_refsource_MISC
- https://bugzilla.redhat.com/show_bug.cgi?id=1971651x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-3609
Same Patch Batch · n/a · 2022-03-03 · 37 CVEs total
| CVE-2021-45819 | 6.4 MEDIUM | Wordline HIDCCEMonitorSVC 代码问题漏洞 |
| CVE-2021-3620 | Red Hat Ansible 安全漏洞 | |
| CVE-2022-25138 | Axelor Open Suite 跨站脚本漏洞 | |
| CVE-2022-26127 | FRRouting FRR 缓冲区错误漏洞 | |
| CVE-2022-26128 | FRRouting FRR 缓冲区错误漏洞 | |
| CVE-2022-26129 | FRRouting FRR 缓冲区错误漏洞 | |
| CVE-2022-23898 | MingSoft Mcms SQL注入漏洞 | |
| CVE-2022-23899 | MingSoft Mcms SQL注入漏洞 | |
| CVE-2022-25125 | MingSoft Mcms SQL注入漏洞 | |
| CVE-2022-22700 | CyberArk Identity 安全特征问题漏洞 | |
| CVE-2021-43774 | Fujifilm DocuCentre 加密问题漏洞 | |
| CVE-2021-3602 | Buildah 信息泄露漏洞 | |
| CVE-2021-3762 | Clair 路径遍历漏洞 | |
| CVE-2021-4002 | Linux kernel 安全漏洞 | |
| CVE-2022-23051 | PeTeReport 跨站脚本漏洞 | |
| CVE-2022-23052 | PeTeReport 跨站请求伪造漏洞 | |
| CVE-2022-25220 | PeTeReport 跨站脚本漏洞 | |
| CVE-2022-22943 | VMware Tools for Windows 代码问题漏洞 | |
| CVE-2021-3640 | Linux kernel 资源管理错误漏洞 | |
| CVE-2022-24573 | Element-IT HTTP Commander 跨站脚本漏洞 |
Showing top 20 of 37 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-2021-3609
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