CVE-2008-3527: Linux Kernel

Medium severity, CVSS 4.6. EPSS: 0.4% chance of exploitation in the next 30 days.

arch/i386/kernel/sysenter.c in the Virtual Dynamic Shared Objects (vDSO) implementation in the Linux kernel before 2.6.21 does not properly check boundaries, which allows local users to gain privileges or cause a denial of service via unspecified vectors, related to the install_special_mapping, syscall, and syscall32_nopage functions.

Affected products

• Linux Linux Kernel: up to and including 2.6.20.21; version 2.2.27 only; version 2.4.36 only; version 2.4.36.1 only; version 2.4.36.2 only; version 2.4.36.3 only; …

Published 2008-11-05. Last modified 2026-06-16.