# CVE-2003-1161

## Summary

- **CVE ID:** CVE-2003-1161
- **Severity:** UNKNOWN
- **CVSS Score:** 0
- **CWE:** N/A
- **Published:** May 10, 2005
- **Last Modified:** Mar 16, 2026

## Description

exit.c in Linux kernel 2.6-test9-CVS, as stored on kernel.bkbits.net, was modified to contain a backdoor, which could allow local users to elevate their privileges by passing __WCLONE|__WALL to the sys_wait4 function.

## Affected Products

- n/a — n/a (n/a)

## References

- [CNA](http://www.ussg.iu.edu/hypermail/linux/kernel/0311.0/0621.html)
- [CNA](http://www.securityfocus.com/bid/8987)
- [CNA](http://www.ussg.iu.edu/hypermail/linux/kernel/0311.0/0630.html)
- [CNA](http://www.ussg.iu.edu/hypermail/linux/kernel/0311.0/0627.html)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.07%
- **EPSS Percentile:** 20.1

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._