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CVE-2021-33624

Quick assessment

Affected
n/a n/a
Exploitation
Public or AI PoC available; prioritize validation
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 存在安全漏洞，该漏洞源于linux内核的BPF子系统中存在缺陷，攻击者可以绕过对推测执行攻击的保护。

AI Predicted 7.8 Difficulty: Hard EPSS 0.92% · P57

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System
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I. Basic Information for CVE-2021-33624

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In kernel/bpf/verifier.c in the Linux kernel before 5.12.13, a branch can be mispredicted (e.g., because of type confusion) and consequently an unprivileged BPF program can read arbitrary memory locations via a side-channel attack, aka CID-9183671af6db.
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 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linux内核的BPF子系统中存在缺陷，攻击者可以绕过对推测执行攻击的保护。
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-2021-33624

# POC Description Source Link Shenlong Link
1 Proof of Concept for CVE-2021-33624 https://github.com/benschlueter/CVE-2021-33624 POC Details
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III. Intelligence Information for CVE-2021-33624

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Patches & Fixes for CVE-2021-33624 (1)

Mailing List Discussions for CVE-2021-33624 (2)

Other References for CVE-2021-33624 (1)

Same Patch Batch · n/a · 2021-06-23 · 24 CVEs total

CVE-2020-23962 Catfish CMS 跨站脚本漏洞
CVE-2021-35041 FISCO BCOS 输入验证错误漏洞
CVE-2021-34071 Daniel Kamil Kozar tsMuxer 缓冲区错误漏洞
CVE-2021-34070 Daniel Kamil Kozar tsMuxer 缓冲区错误漏洞
CVE-2021-34069 Daniel Kamil Kozar tsMuxer 数字错误漏洞
CVE-2021-34068 Daniel Kamil Kozar tsMuxer 缓冲区错误漏洞
CVE-2021-34067 Daniel Kamil Kozar tsMuxer 缓冲区错误漏洞
CVE-2021-21809 Moodle 操作系统命令注入漏洞
CVE-2020-18660 GetSimpleCMS 输入验证错误漏洞
CVE-2020-18659 getsimplecms 跨站脚本漏洞
CVE-2020-18658 getsimplecms 跨站脚本漏洞
CVE-2020-18657 getsimplecms 跨站脚本漏洞
CVE-2021-35210 Contao 跨站脚本漏洞
CVE-2020-20392 Imcat SQL注入漏洞
CVE-2020-20391 getsimplecms 跨站脚本漏洞
CVE-2020-20389 getsimplecms 跨站脚本漏洞
CVE-2021-35438 phpIPAM 跨站脚本漏洞
CVE-2021-28977 GetSimpleCMS 跨站脚本漏洞
CVE-2021-28976 GetSimpleCMS 代码问题漏洞
CVE-2021-31586 Accellion Kiteworks SQL注入漏洞

Showing top 20 of 24 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2021-33624

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