CVE-2006-0457: Linux Kernel

High severity, CVSS 7.1. EPSS: 2.7% chance of exploitation in the next 30 days.

Race condition in the (1) add_key, (2) request_key, and (3) keyctl functions in Linux kernel 2.6.x allows local users to cause a denial of service (crash) or read sensitive kernel memory by modifying the length of a string argument between the time that the kernel calculates the length and when it copies the data into kernel memory.

Affected products

• Linux Linux Kernel: version 2.6.0 only; version 2.6.1 only; version 2.6.3 only; version 2.6.4 only; version 2.6.5 only; version 2.6.6 only; …

Published 2006-03-14. Last modified 2026-06-16.