CVE-2006-1864

Linux Kernel <= 2.6.16 - Directory Traversal via SMB Chroot Escape

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2006-1864. PoCs published by Marcel Holtmann.

AI-analyzed exploit summary This is a writeup demonstrating a chroot bypass vulnerability in the Linux Kernel when using SMB-mounted filesystems. The attacker can escape the chroot restriction by navigating to the parent directory using a specific sequence of commands.

Description

Directory traversal vulnerability in smbfs in Linux 2.6.16 and earlier allows local users to escape chroot restrictions for an SMB-mounted filesystem via "..\\" sequences, a similar vulnerability to CVE-2006-1863.

Exploits (1)

exploitdb WRITEUP VERIFIED
by Marcel Holtmann · textlocallinux
https://www.exploit-db.com/exploits/27766

This is a writeup demonstrating a chroot bypass vulnerability in the Linux Kernel when using SMB-mounted filesystems. The attacker can escape the chroot restriction by navigating to the parent directory using a specific sequence of commands.

Classification
Writeup 90%
Attack Type
Auth Bypass
Complexity
Trivial
Reliability
Reliable
Target: Linux Kernel (versions affected by CVE-2006-1864)
Auth required
Prerequisites: Local access to a system with a chroot environment on an SMB-mounted filesystem
MITRE ATT&CK
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (40)

Core 40
Core References
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/451417/100/200/threaded
Vendor Advisory vendor-advisory x_refsource_redhat
http://www.redhat.com/support/errata/RHSA-2006-0493.html
Third Party Advisory, VDB Entry vdb-entry signature x_refsource_oval
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11327
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/19869
Third Party Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2006/4502
Third Party Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2006/2554
Vendor Advisory vendor-advisory x_refsource_redhat
http://www.redhat.com/support/errata/RHSA-2006-0579.html
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/20716
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/22875
Third Party Advisory, VDB Entry vdb-entry x_refsource_osvdb
http://www.osvdb.org/25067
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/21476
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/21745
Vendor Advisory vendor-advisory x_refsource_mandriva
http://www.mandriva.com/security/advisories?name=MDKSA-2006:150
Vendor Advisory vendor-advisory x_refsource_ubuntu
http://www.ubuntu.com/usn/usn-302-1
Vendor Advisory vendor-advisory x_refsource_mandriva
http://www.mandriva.com/security/advisories?name=MDKSA-2006:151
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/451426/100/200/threaded
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/21614
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/21035
Third Party Advisory vendor-advisory x_refsource_debian
http://www.debian.org/security/2006/dsa-1097
Vendor Advisory vendor-advisory x_refsource_suse
http://www.novell.com/linux/security/advisories/2006-05-31.html
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/17735
Vendor Advisory vendor-advisory x_refsource_trustix
http://www.trustix.org/errata/2006/0026
Vendor Advisory vendor-advisory x_refsource_redhat
http://www.redhat.com/support/errata/RHSA-2006-0580.html
Third Party Advisory vendor-advisory x_refsource_debian
http://www.debian.org/security/2006/dsa-1103
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/23064
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/22497
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/451404/100/0/threaded
Vendor Advisory vendor-advisory x_refsource_redhat
http://www.redhat.com/support/errata/RHSA-2006-0710.html
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/20237
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/20398
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/26137
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/20671
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/451419/100/200/threaded
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/20914

Scores

EPSS 0.0116
EPSS Percentile 63.1%

Details

Status published
Products (8)
linux/linux_kernel 2.6.16 (7 CPE variants)
linux/linux_kernel 2.6.16.1
linux/linux_kernel 2.6.16.2
linux/linux_kernel 2.6.16.3
linux/linux_kernel 2.6.16.4
linux/linux_kernel 2.6.16.7
linux/linux_kernel 2.6.16.8
linux/linux_kernel 2.6.16_rc7
Published Apr 26, 2006
Tracked Since Feb 18, 2026