CVE-2021-42327 PoC — Linux kernel 缓冲区错误漏洞

Source

https://github.com/docfate111/CVE-2021-42327

Associated Vulnerability

Title: Linux kernel 缓冲区错误漏洞 (CVE-2021-42327)
Description:dp_link_settings_write in drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c in the Linux kernel through 5.14.14 allows a heap-based buffer overflow by an attacker who can write a string to the AMD GPU display drivers debug filesystem. There are no checks on size within parse_write_buffer_into_params when it uses the size of copy_from_user to copy a userspace buffer into a 40-byte heap buffer.

Description

 kernel exploit POC for vulnerability i found in amd gpu driver

Readme

# CVE-2021-42327

SLUB overflow exploit


[full writeup](https://docfate111.github.io/blog/securityresearch/2021/11/08/SLUBoverflow.html)

File Snapshot

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