cve/2023/CVE-2023-2598.md

### [CVE-2023-2598](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-2598)
![](https://img.shields.io/static/v1?label=Product&message=Kernel&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-416&color=brighgreen)

### Description

A flaw was found in the fixed buffer registration code for io_uring (io_sqe_buffer_register in io_uring/rsrc.c) in the Linux kernel that allows out-of-bounds access to physical memory beyond the end of the buffer. This flaw enables full local privilege escalation.

### POC

#### Reference
- https://www.openwall.com/lists/oss-security/2023/05/08/3

#### Github
- https://github.com/Snoopy-Sec/Localroot-ALL-CVE
- https://github.com/aneasystone/github-trending
- https://github.com/johe123qwe/github-trending
- https://github.com/nomi-sec/PoC-in-GitHub
- https://github.com/sampsonv/github-trending
- https://github.com/xairy/linux-kernel-exploitation
- https://github.com/ysanatomic/io_uring_LPE-CVE-2023-2598
- https://github.com/zengzzzzz/golang-trending-archive