CVE-2021-3348
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 through 5.10.12 存在安全漏洞，本地攻击者可利用该漏洞在设备安装过程中的某个点通过IO请求触发。
Possible ATT&CK Techniques 1 AI
T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2021-3348
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
nbd_add_socket in drivers/block/nbd.c in the Linux kernel through 5.10.12 has an ndb_queue_rq use-after-free that could be triggered by local attackers (with access to the nbd device) via an I/O request at a certain point during device setup, aka CID-b98e762e3d71.
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 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 through 5.10.12 存在安全漏洞，本地攻击者可利用该漏洞在设备安装过程中的某个点通过IO请求触发。
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 | - |
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II. Public POCs for CVE-2021-3348
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2021-3348 (1)
Mailing List Discussions for CVE-2021-3348 (3)
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https://www.openwall.com/lists/oss-security/2021/01/28/3 x_refsource_MISC
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Same Patch Batch · n/a · 2021-02-01 · 42 CVEs total
| CVE-2021-23330 | 9.8 CRITICAL | Command Injection |
| CVE-2020-28426 | 7.3 HIGH | Command Injection |
| CVE-2020-28493 | 5.3 MEDIUM | Regular Expression Denial of Service (ReDoS) |
| CVE-2020-15836 | Mofi Network MOFI4500-4GXeLTE 安全漏洞 | |
| CVE-2020-13563 | Sourceforge PhpGACL 跨站脚本漏洞 | |
| CVE-2020-13562 | Sourceforge PhpGACL 跨站脚本漏洞 | |
| CVE-2020-24271 | EasyCMS 跨站请求伪造漏洞 | |
| CVE-2020-36109 | ASUS RT-AX86U 安全漏洞 | |
| CVE-2020-28194 | Cccel-ppp 数字错误漏洞 | |
| CVE-2021-3350 | MyBB 跨站脚本漏洞 | |
| CVE-2021-3349 | GNOME Evolution 数据伪造问题漏洞 | |
| CVE-2020-13858 | Mofi Network MOFI4500-4GXeLTE 信任管理问题漏洞 | |
| CVE-2020-26547 | Github Monal 数据伪造问题漏洞 | |
| CVE-2020-15835 | Mofi Network MOFI4500-4GXeLTE 授权问题漏洞 | |
| CVE-2020-15834 | Mofi Network MOFI4500-4GXeLTE 信息泄露漏洞 | |
| CVE-2020-15833 | Mofi Network MOFI4500-4GXeLTE 信任管理问题漏洞 | |
| CVE-2020-15832 | Mofi Network MOFI4500-4GXeLTE 安全漏洞 | |
| CVE-2020-13860 | Mofi Network MOFI4500-4GXeLTE 安全特征问题漏洞 | |
| CVE-2020-13859 | Mofi Network MOFI-GXeLTE 安全漏洞 | |
| CVE-2020-13856 | Mofi Network MOFI4500-4GXeLTE 安全漏洞 |
Showing top 20 of 42 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2021-3348
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