Exploitation Summary
EIP tracks 2 public exploits for CVE-2021-41073. PoCs published by WhatsWrongAndWhy.
AI-analyzed exploit summary The repository contains a binary file (ELF executable) disguised as a PoC for CVE-2021-41073, but the file is heavily obfuscated and contains no clear exploit logic or vulnerability details. The binary appears to be a compiled executable with no source code or technical explanation, and its structure suggests it may execute malicious payloads unrelated to the stated CVE.
Description
loop_rw_iter in fs/io_uring.c in the Linux kernel 5.10 through 5.14.6 allows local users to gain privileges by using IORING_OP_PROVIDE_BUFFERS to trigger a free of a kernel buffer, as demonstrated by using /proc/<pid>/maps for exploitation.
Exploits (2)
The repository contains a binary file (ELF executable) disguised as a PoC for CVE-2021-41073, but the file is heavily obfuscated and contains no clear exploit logic or vulnerability details. The binary appears to be a compiled executable with no source code or technical explanation, and its structure suggests it may execute malicious payloads unrelated to the stated CVE.
This repository contains a functional local privilege escalation (LPE) exploit for CVE-2021-41073, targeting a type confusion vulnerability in the Linux kernel's io_uring subsystem. The exploit leverages BPF and FUSE to achieve root access on vulnerable kernels (e.g., 5.15-rc1).
References (7)
Scores
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H