EIP-2026-102956

PRE-CVE

proc File - Descriptors Directory Permissions Bypass

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-102956. PoCs published by Pavel Machek.

AI-analyzed exploit summary This is a writeup describing a Linux kernel security issue where a user can bypass directory permissions to write to a file via /proc/PID/fd. The exploit leverages the /proc filesystem to reopen a file descriptor with elevated permissions.

Description

proc File - Descriptors Directory Permissions Bypass

Exploits (1)

exploitdb WRITEUP VERIFIED
by Pavel Machek · textlocallinux
https://www.exploit-db.com/exploits/10038

This is a writeup describing a Linux kernel security issue where a user can bypass directory permissions to write to a file via /proc/PID/fd. The exploit leverages the /proc filesystem to reopen a file descriptor with elevated permissions.

Classification
Writeup 90%
Attack Type
Auth Bypass
Complexity
Moderate
Reliability
Reliable
Target: Linux kernel 2.6.32-rc3
Auth required
Prerequisites: Access to a user account on the target system · File descriptor access via /proc
mistral-large-3 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026