CVE-2008-3527: arch/i386/kernel/sysenter.c in the Virtual Dynamic Shared Objects (vDSO) implementation in the Linux kernel...

Security readout for executives and security teams

This is an old Linux kernel local privilege escalation issue in the 32-bit x86 vDSO/sysenter path. A local user could potentially gain higher privileges or crash the system. The provided sources do not show active exploitation or a CVSS score. Exposure is most likely limited to legacy 32-bit x86 Linux systems running kernels before 2.6.21, or vendor-maintained kernels not updated through the referenced 2008 advisories. Modern supported distributions are unlikely to be affected unless they retain vulnerable backports or obsolete kernels. Prioritize remediation for legacy Linux systems with local user access or multi-user workloads. This is not evidenced as actively exploited in the supplied sources, but successful exploitation could turn limited access into system compromise. Mitigation focus: Apply relevant vendor kernel updates from Red Hat, Debian, SUSE, or your distribution.; Upgrade systems running Linux kernels before 2.6.21 where vendor fixes are unavailable.; Prioritize hosts that allow untrusted local users, shared shell access, or multi-tenant workloads..

Prepared

Jun 28, 2026, 11:59 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.