CVE-2006-1863

Directory traversal vulnerability in CIFS in Linux 2.6.16 and earlier allows local users to...

2.1 LowPublic exploit

Directory traversal vulnerability in CIFS 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-2006-1864.

Exploit likelihood

1.04%Down 2.2 points since Feb 4, 2022

What each source reports

NVD Score used 2.1

Record: CVE-2006-1863
CVSS 2.0: 2.1 LowAV:L/AC:L/Au:N/C:P/I:N/A:N
Updated: 2026-11-02

CVE List No score

Record: CVE-2006-1863
Updated: 2026-11-02

EUVDEUVD-2006-1863 No score

Record: EUVD-2006-1863
Updated: 2026-11-03

GitHub AdvisoriesGHSA-c42v-pv88-p8gf No score

Directory traversal vulnerability in CIFS in Linux 2.6.16 and earlier allows local users to...

Record: GHSA-c42v-pv88-p8gf
Updated: 2026-11-02

Affected products

linux kernel

Affected packages

Affected packages
Package	Affected	Fixed
`kernel-source-2.6.8` Debian:3.1 From an advisory covering 24 CVEs	before 2.6.8-16sarge3, plus listed versions 2.6.8-162.6.8-16sarge12.6.8-16sarge2	2.6.8-16sarge3
`kernel` Red Hat:enterprise_linux:4::as From an advisory covering 6 CVEs	before 0:2.6.9-55.EL	0:2.6.9-55.EL
`kernel-debuginfo` Red Hat:enterprise_linux:4::as From an advisory covering 6 CVEs	before 0:2.6.9-55.EL	0:2.6.9-55.EL
`kernel-devel` Red Hat:enterprise_linux:4::as From an advisory covering 6 CVEs	before 0:2.6.9-55.EL	0:2.6.9-55.EL
`kernel-doc` Red Hat:enterprise_linux:4::as From an advisory covering 6 CVEs	before 0:2.6.9-55.EL	0:2.6.9-55.EL
`kernel-hugemem` Red Hat:enterprise_linux:4::as From an advisory covering 6 CVEs	before 0:2.6.9-55.EL	0:2.6.9-55.EL
`kernel-hugemem-devel` Red Hat:enterprise_linux:4::as From an advisory covering 6 CVEs	before 0:2.6.9-55.EL	0:2.6.9-55.EL
`kernel-largesmp` Red Hat:enterprise_linux:4::as From an advisory covering 6 CVEs	before 0:2.6.9-55.EL	0:2.6.9-55.EL
`kernel-largesmp-devel` Red Hat:enterprise_linux:4::as From an advisory covering 6 CVEs	before 0:2.6.9-55.EL	0:2.6.9-55.EL
`kernel-smp` Red Hat:enterprise_linux:4::as From an advisory covering 6 CVEs	before 0:2.6.9-55.EL	0:2.6.9-55.EL

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Affected packages
Package	Affected	Fixed
`kernel-smp-devel` Red Hat:enterprise_linux:4::as From an advisory covering 6 CVEs	before 0:2.6.9-55.EL	0:2.6.9-55.EL
`kernel-xenU` Red Hat:enterprise_linux:4::as From an advisory covering 6 CVEs	before 0:2.6.9-55.EL	0:2.6.9-55.EL
`kernel-xenU-devel` Red Hat:enterprise_linux:4::as From an advisory covering 6 CVEs	before 0:2.6.9-55.EL	0:2.6.9-55.EL
`kernel` Red Hat:enterprise_linux:4::desktop From an advisory covering 6 CVEs	before 0:2.6.9-55.EL	0:2.6.9-55.EL
`kernel-debuginfo` Red Hat:enterprise_linux:4::desktop From an advisory covering 6 CVEs	before 0:2.6.9-55.EL	0:2.6.9-55.EL
`kernel-devel` Red Hat:enterprise_linux:4::desktop From an advisory covering 6 CVEs	before 0:2.6.9-55.EL	0:2.6.9-55.EL
`kernel-doc` Red Hat:enterprise_linux:4::desktop From an advisory covering 6 CVEs	before 0:2.6.9-55.EL	0:2.6.9-55.EL
`kernel-hugemem` Red Hat:enterprise_linux:4::desktop From an advisory covering 6 CVEs	before 0:2.6.9-55.EL	0:2.6.9-55.EL
`kernel-hugemem-devel` Red Hat:enterprise_linux:4::desktop From an advisory covering 6 CVEs	before 0:2.6.9-55.EL	0:2.6.9-55.EL
`kernel-largesmp` Red Hat:enterprise_linux:4::desktop From an advisory covering 6 CVEs	before 0:2.6.9-55.EL	0:2.6.9-55.EL
`kernel-largesmp-devel` Red Hat:enterprise_linux:4::desktop From an advisory covering 6 CVEs	before 0:2.6.9-55.EL	0:2.6.9-55.EL
`kernel-smp` Red Hat:enterprise_linux:4::desktop From an advisory covering 6 CVEs	before 0:2.6.9-55.EL	0:2.6.9-55.EL
`kernel-smp-devel` Red Hat:enterprise_linux:4::desktop From an advisory covering 6 CVEs	before 0:2.6.9-55.EL	0:2.6.9-55.EL
`kernel-xenU` Red Hat:enterprise_linux:4::desktop From an advisory covering 6 CVEs	before 0:2.6.9-55.EL	0:2.6.9-55.EL
`kernel-xenU-devel` Red Hat:enterprise_linux:4::desktop From an advisory covering 6 CVEs	before 0:2.6.9-55.EL	0:2.6.9-55.EL
`kernel` Red Hat:enterprise_linux:4::es From an advisory covering 6 CVEs	before 0:2.6.9-55.EL	0:2.6.9-55.EL
`kernel-debuginfo` Red Hat:enterprise_linux:4::es From an advisory covering 6 CVEs	before 0:2.6.9-55.EL	0:2.6.9-55.EL
`kernel-devel` Red Hat:enterprise_linux:4::es From an advisory covering 6 CVEs	before 0:2.6.9-55.EL	0:2.6.9-55.EL
`kernel-doc` Red Hat:enterprise_linux:4::es From an advisory covering 6 CVEs	before 0:2.6.9-55.EL	0:2.6.9-55.EL
`kernel-hugemem` Red Hat:enterprise_linux:4::es From an advisory covering 6 CVEs	before 0:2.6.9-55.EL	0:2.6.9-55.EL
`kernel-hugemem-devel` Red Hat:enterprise_linux:4::es From an advisory covering 6 CVEs	before 0:2.6.9-55.EL	0:2.6.9-55.EL
`kernel-largesmp` Red Hat:enterprise_linux:4::es From an advisory covering 6 CVEs	before 0:2.6.9-55.EL	0:2.6.9-55.EL
`kernel-largesmp-devel` Red Hat:enterprise_linux:4::es From an advisory covering 6 CVEs	before 0:2.6.9-55.EL	0:2.6.9-55.EL
`kernel-smp` Red Hat:enterprise_linux:4::es From an advisory covering 6 CVEs	before 0:2.6.9-55.EL	0:2.6.9-55.EL
`kernel-smp-devel` Red Hat:enterprise_linux:4::es From an advisory covering 6 CVEs	before 0:2.6.9-55.EL	0:2.6.9-55.EL
`kernel-xenU` Red Hat:enterprise_linux:4::es From an advisory covering 6 CVEs	before 0:2.6.9-55.EL	0:2.6.9-55.EL
`kernel-xenU-devel` Red Hat:enterprise_linux:4::es From an advisory covering 6 CVEs	before 0:2.6.9-55.EL	0:2.6.9-55.EL
`kernel` Red Hat:enterprise_linux:4::ws From an advisory covering 6 CVEs	before 0:2.6.9-55.EL	0:2.6.9-55.EL
`kernel-debuginfo` Red Hat:enterprise_linux:4::ws From an advisory covering 6 CVEs	before 0:2.6.9-55.EL	0:2.6.9-55.EL
`kernel-devel` Red Hat:enterprise_linux:4::ws From an advisory covering 6 CVEs	before 0:2.6.9-55.EL	0:2.6.9-55.EL
`kernel-doc` Red Hat:enterprise_linux:4::ws From an advisory covering 6 CVEs	before 0:2.6.9-55.EL	0:2.6.9-55.EL
`kernel-hugemem` Red Hat:enterprise_linux:4::ws From an advisory covering 6 CVEs	before 0:2.6.9-55.EL	0:2.6.9-55.EL
`kernel-hugemem-devel` Red Hat:enterprise_linux:4::ws From an advisory covering 6 CVEs	before 0:2.6.9-55.EL	0:2.6.9-55.EL
`kernel-largesmp` Red Hat:enterprise_linux:4::ws From an advisory covering 6 CVEs	before 0:2.6.9-55.EL	0:2.6.9-55.EL
`kernel-largesmp-devel` Red Hat:enterprise_linux:4::ws From an advisory covering 6 CVEs	before 0:2.6.9-55.EL	0:2.6.9-55.EL
`kernel-smp` Red Hat:enterprise_linux:4::ws From an advisory covering 6 CVEs	before 0:2.6.9-55.EL	0:2.6.9-55.EL
`kernel-smp-devel` Red Hat:enterprise_linux:4::ws From an advisory covering 6 CVEs	before 0:2.6.9-55.EL	0:2.6.9-55.EL
`kernel-xenU` Red Hat:enterprise_linux:4::ws From an advisory covering 6 CVEs	before 0:2.6.9-55.EL	0:2.6.9-55.EL
`kernel-xenU-devel` Red Hat:enterprise_linux:4::ws From an advisory covering 6 CVEs	before 0:2.6.9-55.EL	0:2.6.9-55.EL

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
Exploit-DB	Linux Kernel 2.6.x - CIFS CHRoot Security Restriction Bypass	2006-04-28

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, Exploit-DB, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2006-1863 is a low vulnerability (CVSS 2.1) in Linux Kernel, published April 25, 2006. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 1.04%, the 64th percentile. No source names a fixed version.

References

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