CVE-2006-1863
Directory traversal vulnerability in CIFS in Linux 2.6.16 and earlier allows local users to escape chroot restrictions for an SMB-mounted…
- 2.1LowCVSS base score
- 1.0%Exploitation in 30 daysEPSS · top 36% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 1Public exploitsMetasploit, Nuclei and Exploit-DB
Description
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.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list an Exploit-DB entry for it.
Show the exploits1
Exploit-DB1 entry
- Linux Kernel 2.6.x - CIFS CHRoot Security Restriction Bypass (Exploit-DB entry) (opens in a new tab)
EDB-ID 27769local, linuxpublished 28 Apr 2006Verified
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By redhat
- 6 days later
· 6 days later
Published
- 18 years later
· 18 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Low2.1 | AV:L/AC:L/Au:N/C:P/I:N/A:N |
- EPSS (exploitation in 30 days)
- 1.0% · top 36% of all CVEs (11 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Low 2.1.
Affected products
n/a
- affected n/a
References
19
- ADV-2006-2554 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- 17742 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- MDKSA-2006:150 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
- oval:org.mitre.oval:def:10383 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- ADV-2006-1542 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=189434 (opens in a new tab)x_refsource_CONFIRMx_transferred
- MDKSA-2006:151 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
- 21614 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- SUSE-SA:2006:028 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.16.11 (opens in a new tab)x_refsource_CONFIRMx_transferred
- DSA-1103 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- RHBA-2007-0304 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 2006-0024 (opens in a new tab)vendor-advisoryx_refsource_TRUSTIXx_transferred
- http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=296034f7de8bdf111984ce1630ac598a9c94a253 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 20398 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- kernel-cifs-directory-traversal(26141) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 19868 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 25068 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- 20914 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2006-1863 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2006-1863)Record last updated .