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CVE-2022-2639 PoC — Linux kernel 数字错误漏洞

Source
https://github.com/Threekiii/Awesome-POC/blob/master/%E6%93%8D%E4%BD%9C%E7%B3%BB%E7%BB%9F%E6%BC%8F%E6%B4%9E/Linux%20openvswitch%20%E6%9D%83%E9%99%90%E6%8F%90%E5%8D%87%E6%BC%8F%E6%B4%9E%20CVE-2022-2639.md
Associated Vulnerability
Title:Linux kernel 数字错误漏洞 (CVE-2022-2639)
Description:An integer coercion error was found in the openvswitch kernel module. Given a sufficiently large number of actions, while copying and reserving memory for a new action of a new flow, the reserve_sfa_size() function does not return -EMSGSIZE as expected, potentially leading to an out-of-bounds write access. This flaw allows a local user to crash or potentially escalate their privileges on the system.
File Snapshot

 # Linux openvswitch 权限提升漏洞 CVE-2022-2639

## 漏洞描述

由于 openvswitch 模块在处理大量actions的情况下，可能存在越界写入漏洞，本地经过

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