CVE-2023-2598
HIGHLinux Kernel 6.3-6.3.2 - Use-After-Free in io_uring Buffer Registration
Title source: llmExploitation Summary
EIP tracks 5 public exploits for CVE-2023-2598. PoCs published by ysanatomic, SpongeBob-369, LLfam.
AI-analyzed exploit summary This repository contains a functional local privilege escalation (LPE) exploit for CVE-2023-2598, leveraging a vulnerability in the Linux kernel's io_uring subsystem. The exploit uses memory corruption techniques to leak kernel addresses and achieve arbitrary code execution in kernel mode.
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.
Exploits (5)
This repository contains a functional local privilege escalation (LPE) exploit for CVE-2023-2598, leveraging a vulnerability in the Linux kernel's io_uring subsystem. The exploit uses memory corruption techniques to leak kernel addresses and achieve arbitrary code execution in kernel mode.
This repository provides a detailed technical analysis of CVE-2023-2598, a vulnerability in the Linux kernel's io_uring subsystem. The writeup explains the logical bug in the `io_sqe_buffer_register` function, where the folio coalescing logic fails to check for consecutive pages, leading to potential exploitation.
This repository contains a functional exploit for CVE-2023-2598, leveraging io_uring and memory manipulation techniques to achieve privilege escalation. The code demonstrates detailed knowledge of kernel structures and offsets, indicating a well-researched and operational PoC.
This repository contains a functional exploit for CVE-2023-2598, leveraging io_uring to achieve arbitrary memory write primitives, which are then used to spray heap and manipulate file structures (e.g., /etc/passwd). The exploit is written in C and targets the Linux kernel's io_uring subsystem.
This repository contains a functional exploit for CVE-2023-2598, leveraging a vulnerability in io_uring's handling of compound pages to achieve local privilege escalation (LPE) by manipulating the `cred` structure. The exploit includes detailed technical analysis of the vulnerability, including the misuse of `page_folio()` and the resulting out-of-bounds read/write.
References (3)
Scores
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H