EIP-2026-102643

PRE-CVE

Linux Kernel - 'AF_PACKET' Use-After-Free (1)

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-102643. PoCs published by SecuriTeam.

AI-analyzed exploit summary This is a functional proof-of-concept exploit for a use-after-free vulnerability in the Linux Kernel's AF_PACKET implementation (CVE-2026-125620). The exploit triggers a race condition between fanout_add and bind operations, leading to a privilege escalation via a use-after-free in the packet socket handling code.

Description

Linux Kernel - 'AF_PACKET' Use-After-Free (1)

Exploits (1)

exploitdb WORKING POC
by SecuriTeam · cdoslinux
https://www.exploit-db.com/exploits/43010

This is a functional proof-of-concept exploit for a use-after-free vulnerability in the Linux Kernel's AF_PACKET implementation (CVE-2026-125620). The exploit triggers a race condition between fanout_add and bind operations, leading to a privilege escalation via a use-after-free in the packet socket handling code.

Classification
Working Poc 95%
Attack Type
Lpe
Complexity
Complex
Reliability
Racy
Target: Linux Kernel (versions prior to fix in 4.14-rc2)
No auth needed
Prerequisites: Kernel with AF_PACKET support · KASAN enabled for crash reporting · Unprivileged user namespace access
devstral-2 · analyzed Feb 18, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026