CVE-1999-0804

Linux Kernel 2.2.x - Denial of Service via Malformed ICMP Packets

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-1999-0804. PoCs published by Piotr Wilkin.

AI-analyzed exploit summary This exploit targets a Linux Kernel IPv4 option processing vulnerability (CVE-1999-0804) by sending malformed ICMP packets to trigger a double-free in the kernel, leading to a system crash. It crafts raw IP packets with randomized fields and sends them repeatedly to the target.

Description

Denial of service in Linux 2.2.x kernels via malformed ICMP packets containing unusual types, codes, and IP header lengths.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Piotr Wilkin · cdoslinux
https://www.exploit-db.com/exploits/19241

This exploit targets a Linux Kernel IPv4 option processing vulnerability (CVE-1999-0804) by sending malformed ICMP packets to trigger a double-free in the kernel, leading to a system crash. It crafts raw IP packets with randomized fields and sends them repeatedly to the target.

Classification
Working Poc 95%
Attack Type
Dos
Complexity
Moderate
Reliability
Reliable
Target: Linux Kernel (Sparc architecture, Debian 2.1)
No auth needed
Prerequisites: Raw socket permissions · Network access to target
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (1)

Core 1
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/302

Scores

EPSS 0.0564
EPSS Percentile 92.0%

Details

Status published
Products (4)
debian/debian_linux 2.1
linux/linux_kernel 2.2.0
redhat/linux 6.0
suse/suse_linux 6.1
Published Jun 01, 1999
Tracked Since Feb 18, 2026