CVE-2018-1000199

MEDIUM

Linux Kernel <3.18 - Memory Corruption

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2018-1000199. PoCs published by dsfau.

AI-analyzed exploit summary This PoC exploits a Linux ptrace bug (CVE-2018-1000199) where incorrect error handling in debug register virtualization allows corruption of kernel breakpoint tracking. The code manipulates DR0 and DR7 registers via ptrace to trigger the vulnerability.

Description

The Linux Kernel version 3.18 contains a dangerous feature vulnerability in modify_user_hw_breakpoint() that can result in crash and possibly memory corruption. This attack appear to be exploitable via local code execution and the ability to use ptrace. This vulnerability appears to have been fixed in git commit f67b15037a7a50c57f72e69a6d59941ad90a0f0f.

Exploits (1)

nomisec WORKING POC
by dsfau · poc
https://github.com/dsfau/CVE-2018-1000199

This PoC exploits a Linux ptrace bug (CVE-2018-1000199) where incorrect error handling in debug register virtualization allows corruption of kernel breakpoint tracking. The code manipulates DR0 and DR7 registers via ptrace to trigger the vulnerability.

Classification
Working Poc 95%
Attack Type
Dos
Complexity
Moderate
Reliability
Reliable
Target: Linux kernel (x86, potentially other architectures)
No auth needed
Prerequisites: Linux system with vulnerable kernel · Address of do_debug from /proc/kallsyms
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (15)

Core 15
Core References
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2018/dsa-4187
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2018:1347
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2018:1348
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2018/dsa-4188
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2018:1354
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1040806
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2018:1355
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2018:1345
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2018:1318
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2018:1374
Mailing List, Patch, Third Party Advisory mailing-list x_refsource_mlist
https://lkml.org/lkml/2018/4/6/813
Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3641-2/
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3641-1/

Scores

CVSS v3 5.5
EPSS 0.0122
EPSS Percentile 64.9%
Attack Vector LOCAL
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-119
Status published
Products (23)
canonical/ubuntu_linux 12.04
canonical/ubuntu_linux 14.04
canonical/ubuntu_linux 16.04
canonical/ubuntu_linux 17.10
debian/debian_linux 7.0
debian/debian_linux 8.0
debian/debian_linux 9.0
linux/linux_kernel 3.18
redhat/enterprise_linux 7.0
redhat/enterprise_linux 7.2
... and 13 more
Published May 24, 2018
Tracked Since Feb 18, 2026