EIP-2026-102660

PRE-CVE

Linux Kernel 4.8.0-22/3.10.0-327 (Ubuntu 16.10 / RedHat) - 'keyctl' Null Pointer Dereference

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-102660. PoCs published by OpenSource Security.

AI-analyzed exploit summary This exploit demonstrates a local denial-of-service (DoS) vulnerability in the Linux kernel via a null pointer dereference in the keyctl interface. It triggers the issue by injecting malformed X.509 certificate data into the kernel's asymmetric crypto code, leading to a kernel panic.

Description

Linux Kernel 4.8.0-22/3.10.0-327 (Ubuntu 16.10 / RedHat) - 'keyctl' Null Pointer Dereference

Exploits (1)

exploitdb WORKING POC
by OpenSource Security · cdoslinux
https://www.exploit-db.com/exploits/40762

This exploit demonstrates a local denial-of-service (DoS) vulnerability in the Linux kernel via a null pointer dereference in the keyctl interface. It triggers the issue by injecting malformed X.509 certificate data into the kernel's asymmetric crypto code, leading to a kernel panic.

Classification
Working Poc 100%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Linux Kernel (tested on Ubuntu Server 16.10 with kernel 4.8.0-22-generic and RedHat Kernel 3.10.0-327.18.2.el7.x86_64)
No auth needed
Prerequisites: Local access to the system · Kernel compiled with asymmetric key support
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026