EIP-2026-102639

PRE-CVE

Linux - Use-After-Free Reads in show_numa_stats()

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-102639. PoCs published by Google Security Research.

AI-analyzed exploit summary This exploit demonstrates a use-after-free vulnerability in the Linux kernel's NUMA scheduler (CVE-2026-102637). It triggers a race condition where `show_numa_stats()` reads freed memory from `task_struct::numa_faults` after an `execve()` call, leading to potential information disclosure or crashes.

Description

Linux - Use-After-Free Reads in show_numa_stats()

Exploits (1)

exploitdb WORKING POC VERIFIED
by Google Security Research · cdoslinux
https://www.exploit-db.com/exploits/47236

This exploit demonstrates a use-after-free vulnerability in the Linux kernel's NUMA scheduler (CVE-2026-102637). It triggers a race condition where `show_numa_stats()` reads freed memory from `task_struct::numa_faults` after an `execve()` call, leading to potential information disclosure or crashes.

Classification
Working Poc 95%
Attack Type
Info Leak
Complexity
Complex
Reliability
Racy
Target: Linux kernel (versions with commit 82727018b0d3, likely 3.13+)
No auth needed
Prerequisites: NUMA-enabled system · Kernel with KASAN for detection · Race condition timing
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026