CVE-2021-38166
Quick assessment
Affected
n/a n/a
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
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 存在输入验证错误漏洞，该漏洞源于当多个元素放在一个桶中时，会出现整数溢出和越界写。
Possible ATT&CK Techniques 1 AI
T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2021-38166
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In kernel/bpf/hashtab.c in the Linux kernel through 5.13.8, there is an integer overflow and out-of-bounds write when many elements are placed in a single bucket. NOTE: exploitation might be impractical without the CAP_SYS_ADMIN capability.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Linux kernel 输入验证错误漏洞
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 存在输入验证错误漏洞，该漏洞源于当多个元素放在一个桶中时，会出现整数溢出和越界写。
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 |
|---|---|---|---|---|
| - | n/a | n/a | - |
|
II. Public POCs for CVE-2021-38166
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2021-38166 (1)
Vendor Advisories for CVE-2021-38166 (2)
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https://security.netapp.com/advisory/ntap-20210909-0001/ x_refsource_CONFIRM
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Mailing List Discussions for CVE-2021-38166 (1)
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https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UL6CH5M5PRLMA3KPBX4LPUO6Z73GRISO/ vendor-advisory x_refsource_FEDORA
Other References for CVE-2021-38166 (1)
Same Patch Batch · n/a · 2021-08-07 · 12 CVEs total
| CVE-2021-38173 | btrbk 命令注入漏洞 | |
| CVE-2021-38168 | Roxy-WI SQL注入漏洞 | |
| CVE-2021-38169 | Roxy-WI 命令注入漏洞 | |
| CVE-2021-38167 | Roxy-WI SQL注入漏洞 | |
| CVE-2021-38165 | Lynx 安全漏洞 | |
| CVE-2021-29923 | Google Golang 安全漏洞 | |
| CVE-2021-38159 | Progress Software MOVEit Transfer SQL注入漏洞 | |
| CVE-2021-38160 | Linux kernel 安全漏洞 | |
| CVE-2021-38148 | Obsidian 安全漏洞 | |
| CVE-2021-29922 | Rust 安全漏洞 | |
| CVE-2021-38185 | cpio 输入验证错误漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-38166
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