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CVE-2006-1864

21
FAUCET Score

CVE-2006-1864 describes a directory traversal vulnerability in the smbfs component of Linux kernel versions 2.6.16 and earlier. This flaw allows local attackers to bypass chroot restrictions on SMB-mounted filesystems by using "..\" sequences, similar to CVE-2006-1863. The vulnerability has a CVSS score of 4.6, indicating a medium severity with local access required and potential impacts on confidentiality, integrity, and availability. While not actively exploited in the wild and lacking Metasploit or Nuclei modules, exploit code is publicly available via ExploitDB, though there is minimal community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
2.6.16CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:2.6.16:*:*:*:*:*:*:*
2.6.16CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:2.6.16:rc1:*:*:*:*:*:*
2.6.16CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:2.6.16:rc2:*:*:*:*:*:*
2.6.16CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:2.6.16:rc3:*:*:*:*:*:*
2.6.16CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:2.6.16:rc4:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.6MEDIUM

AV:L/AC:L/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Exploitability Score
3.9
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.16%
Probability of exploitation in next 30 days
EPSS Percentile
63.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
ExploitDB: EDB-27766 · Apr 28, 2006
This CVE's current EPSS score of 0.0116 is in the 92nd percentile among its peer group of 3,052 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (6)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 3Fixed in: kernel-0:2.4.21-47.0.1.EL
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: kernel-0:2.6.9-34.0.1.EL
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux AS (Advanced Server) version 2.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux ES version 2.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux WS version 2.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Linux Advanced Workstation 2.1
View patch

Vendor Advisories (1)

redhatCVE-2006-1864Moderate

security flaw

Apr 26, 2006

References

bugzilla.redhat.com / bugzilla/show_bug.cgi
Exploit
secunia.com / advisories/19869
secunia.com / advisories/20237
secunia.com / advisories/20398
secunia.com / advisories/20671
secunia.com / advisories/20716
secunia.com / advisories/20914
secunia.com / advisories/21035
secunia.com / advisories/21476
secunia.com / advisories/21614
secunia.com / advisories/21745
secunia.com / advisories/22497
secunia.com / advisories/22875
secunia.com / advisories/23064
exchange.xforce.ibmcloud.com / vulnerabilities/26137
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11327
support.avaya.com / elmodocs2/security/ASA-2006-161.htm
support.avaya.com / elmodocs2/security/ASA-2006-254.htm
debian.org / security/2006/dsa-1097
debian.org / security/2006/dsa-1103
mandriva.com / security/advisories
mandriva.com / security/advisories
novell.com / linux/security/advisories/2006-05-31.html
osvdb.org / 25067
redhat.com / support/errata/RHSA-2006-0493.html
redhat.com / support/errata/RHSA-2006-0579.html
redhat.com / support/errata/RHSA-2006-0580.html
redhat.com / support/errata/RHSA-2006-0710.html
securityfocus.com / archive/1/451404/100/0/threaded
securityfocus.com / archive/1/451417/100/200/threaded
securityfocus.com / archive/1/451419/100/200/threaded
securityfocus.com / archive/1/451426/100/200/threaded
securityfocus.com / bid/17735
trustix.org / errata/2006/0026
ubuntu.com / usn/usn-302-1
vmware.com / download/esx/esx-202-200610-patch.html
vmware.com / download/esx/esx-213-200610-patch.html
vmware.com / download/esx/esx-254-200610-patch.html
vupen.com / english/advisories/2006/2554
vupen.com / english/advisories/2006/4502