CVE-2021-33639
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I. Basic Information for CVE-2021-33639
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
REMAP cmd of SVM driver can be used to remap read only memory as read-write, then cause read only memory/file modified.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
暴露危险的方法或函数
Source: NVD (National Vulnerability Database)
Vulnerability Title
Linux kernel 安全漏洞
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SVM驱动的REMAP cmd可用于将只读内存重新映射为读写，从而导致只读内存或文件被修改。
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 | <=4.19.90-2211.4.0.0177, <=5.10.0-60.67.0.92 | - |
II. Public POCs for CVE-2021-33639
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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Same Patch Batch · n/a · 2023-03-08 · 27 CVEs total
| CVE-2023-1277 | 7.8 HIGH | kylin-system-updater Update InstallSnap command injection |
| CVE-2023-1276 | 4.7 MEDIUM | SUL1SS_shop Order.php sql injection |
| CVE-2023-1278 | 3.5 LOW | IBOS index.php cross site scripting |
| CVE-2023-27974 | Bitwarden 安全漏洞 | |
| CVE-2023-27088 | feiqu 安全漏洞 | |
| CVE-2023-26956 | OneKeyAdmin 安全漏洞 | |
| CVE-2023-26952 | OneKeyAdmin 跨站脚本漏洞 | |
| CVE-2023-26950 | OneKeyAdmin 跨站脚本漏洞 | |
| CVE-2023-26922 | Varisicte matrix-gui SQL注入漏洞 | |
| CVE-2023-26261 | UBIKA WAAP Gateway/Cloud 注入漏洞 | |
| CVE-2023-25395 | TOTOLINK A7100RU 操作系统命令注入漏洞 | |
| CVE-2023-24782 | FunAdmin SQL注入漏洞 | |
| CVE-2023-24777 | FunAdmin SQL注入漏洞 | |
| CVE-2023-24773 | FunAdmin SQL注入漏洞 | |
| CVE-2023-24657 | phpIPAM 跨站脚本漏洞 | |
| CVE-2023-24282 | Poly Trio 跨站脚本漏洞 | |
| CVE-2023-22892 | Zephyr 安全漏洞 | |
| CVE-2023-22891 | Zephyr 安全漏洞 | |
| CVE-2023-22890 | Zephyr 代码问题漏洞 | |
| CVE-2023-22889 | Zephyr 代码注入漏洞 |
Showing top 20 of 27 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-749
- CVE-2026-25266
Exposed dangerous function in windows host - CVE-2026-5173
Exposed Dangerous Method or Function in GitLab - CVE-2026-35488
Tandoor Recipes — CustomIsShared permits DELETE/PUT on Recip - CVE-2026-30957
OneUptime Synthetic Monitor RCE via exposed Playwright brows - CVE-2026-3483
Ivanti Desktop and Server Management 安全漏洞
V. Comments for CVE-2021-33639
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