CVE-2008-4210: fs/open.c in the Linux kernel before 2.6.22 does not properly strip setuid and setgid bits when there is a...

Security readout for executives and security teams

This is an old Linux kernel local privilege issue. A person who already has local access could abuse incorrect setgid handling on certain file writes to gain another group’s privileges and potentially read sensitive information. It is mainly urgent for legacy Linux systems running kernels before 2.6.22 or affected vendor packages. Exposure is most likely on obsolete or vendor-maintained legacy Linux systems derived from kernels before 2.6.22. Modern supported distributions are unlikely to be exposed, but long-lived appliances, embedded systems, and unmaintained servers should be checked. Treat as a legacy Linux hygiene issue with moderate priority. Escalate if affected systems permit local users, contractors, customers, or application workloads to write files on shared hosts. Mitigation focus: Upgrade affected Linux kernels or apply the relevant vendor security update.; Prioritize shared, multi-user, shell-access, hosting, and build systems.; Check Red Hat, Debian, Ubuntu, SUSE, or distribution guidance for exact fixed packages..

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.