CVE-1999-1441

Linux Kernel 2.0.34 - Denial of Service via SIGIO Signal Injection

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-1999-1441. PoCs published by David Luyer.

AI-analyzed exploit summary This exploit leverages a Linux kernel vulnerability (CVE-1999-1441) to send a SIGIO signal to an arbitrary process, potentially causing it to terminate if the signal is not handled. The PoC uses file descriptor manipulation with fcntl to trigger the signal.

Description

Linux 2.0.34 does not properly prevent users from sending SIGIO signals to arbitrary processes, which allows local users to cause a denial of service by sending SIGIO to processes that do not catch it.

Exploits (1)

exploitdb WORKING POC VERIFIED
by David Luyer · cdoslinux
https://www.exploit-db.com/exploits/19085

This exploit leverages a Linux kernel vulnerability (CVE-1999-1441) to send a SIGIO signal to an arbitrary process, potentially causing it to terminate if the signal is not handled. The PoC uses file descriptor manipulation with fcntl to trigger the signal.

Classification
Working Poc 95%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Linux kernel (versions affected by CVE-1999-1441)
No auth needed
Prerequisites: Access to a vulnerable Linux system · Target process ID
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (2)

Core 2
Core References
Mailing List mailing-list x_refsource_bugtraq
http://marc.info/?l=bugtraq&m=90221103126047&w=2
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/111

Scores

EPSS 0.0070
EPSS Percentile 48.6%

Details

Status published
Products (1)
linux/linux_kernel 2.0.34
Published Jun 30, 1998
Tracked Since Feb 18, 2026