EIP-2026-103033

PRE-CVE

Vm86 - Syscall Task Switch Kernel Panic Denial of Service / Privilege Escalation

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-103033. PoCs published by halfdog.

AI-analyzed exploit summary The exploit leverages the Linux vm86 syscall to trigger FPU errors, causing kernel panics or privilege escalation via manipulation of the shmem_xattr_handlers list and modprobe_path. It demonstrates a local privilege escalation (LPE) vulnerability affecting AMD K7/K8 architectures.

Description

Vm86 - Syscall Task Switch Kernel Panic Denial of Service / Privilege Escalation

Exploits (1)

exploitdb WORKING POC
by halfdog · textlocallinux
https://www.exploit-db.com/exploits/41766

The exploit leverages the Linux vm86 syscall to trigger FPU errors, causing kernel panics or privilege escalation via manipulation of the shmem_xattr_handlers list and modprobe_path. It demonstrates a local privilege escalation (LPE) vulnerability affecting AMD K7/K8 architectures.

Classification
Working Poc 95%
Attack Type
Lpe
Complexity
Complex
Reliability
Racy
Target: Linux kernel (specific versions not explicitly stated, but affects AMD K7/K8 architectures)
No auth needed
Prerequisites: Access to a vulnerable Linux system with AMD K7/K8 architecture · Ability to execute arbitrary code on the target system
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026