SB2003123104 - Embedded malicious code in Linux kernel



SB2003123104 - Embedded malicious code in Linux kernel

Published: December 31, 2003

Security Bulletin ID SB2003123104
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Embedded malicious code (CVE-ID: CVE-2003-1161)

The vulnerability allows a local user to execute arbitrary code.

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.


Remediation

Install update from vendor's website.