EIP-2026-102665

PRE-CVE

Linux SELinux - W+X Protection Bypass via AIO

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-102665. PoCs published by Google Security Research.

AI-analyzed exploit summary This exploit demonstrates a bypass of SELinux restrictions on executable memory mappings by leveraging the `io_setup` syscall combined with `personality(READ_IMPLIES_EXEC)`. It creates a writable and executable memory mapping via `aio_setup_ring()`, which does not recheck LSM security policies.

Description

Linux SELinux - W+X Protection Bypass via AIO

Exploits (1)

exploitdb WORKING POC VERIFIED
by Google Security Research · cdoslinux
https://www.exploit-db.com/exploits/40419

This exploit demonstrates a bypass of SELinux restrictions on executable memory mappings by leveraging the `io_setup` syscall combined with `personality(READ_IMPLIES_EXEC)`. It creates a writable and executable memory mapping via `aio_setup_ring()`, which does not recheck LSM security policies.

Classification
Working Poc 95%
Attack Type
Lpe
Complexity
Moderate
Reliability
Reliable
Target: Linux kernel (specific version not specified, but related to SELinux and io_setup syscall)
No auth needed
Prerequisites: Access to a vulnerable Linux system with SELinux enabled · Ability to execute arbitrary code
devstral-2 · analyzed Feb 18, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026