CVE-2003-1161: Linux Kernel

High severity, CVSS 7.2. EPSS: 0.5% chance of exploitation in the next 30 days.

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

• Linux Linux Kernel: version 2.6_test9_cvs only

Published 2003-12-31. Last modified 2026-06-16.