CVE-2006-4663: The source code tar archive of the Linux kernel 2.6.16, 2.6.17.11, and possibly other versions specifies we...

Security readout for executives and security teams

This CVE concerns Linux kernel source archives that may unpack with overly permissive files or directories. If a local user can modify that build tree before a kernel is compiled, they could tamper with source code. The issue is disputed and CVE notes say weak permissions occur only in unusual or insecure scenarios. Exposure is most plausible where shared systems build kernels from extracted tar archives and untrusted local users can write into the source tree. Standard controlled build pipelines with trusted archives, restrictive ownership, and isolated build users are less likely to be exposed. Treat this as a build-chain integrity risk, not a broad runtime emergency. Prioritize review if your organization still builds legacy kernels on shared systems or from old tar archives. Otherwise, document non-exposure and maintain normal source-integrity controls. Mitigation focus: Check vendor or distribution guidance for affected source archives.; Use trusted kernel source packages or verified archives only.; Restrict write access to kernel source and build directories..

Prepared

May 24, 2026, 01:12 UTC (UTC+00:00)

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