CVE-2011-4098: The fallocate implementation in the GFS2 filesystem in the Linux kernel before 3.2 relies on the page cache...

Security readout for executives and security teams

This is a local denial-of-service issue in the Linux kernel's GFS2 filesystem before version 3.2. A user with local access could trigger memory-pressure conditions through block preallocation and disrupt availability. It matters mainly where older Linux kernels still run GFS2, especially clustered storage environments. Exposure is likely limited to systems running Linux kernels before 3.2 with GFS2 enabled or mounted. The provided sources do not identify specific distributions, packages, cloud images, or supported vendor versions beyond the upstream kernel boundary. Treat as a targeted availability risk for legacy Linux clustered storage. Prioritize confirmation in environments still using GFS2 or old enterprise kernels. For modern supported kernels, urgency is low unless vendor evidence shows the fix was not backported. Mitigation focus: Identify systems using GFS2 on Linux kernels earlier than 3.2.; Upgrade to a vendor-supported kernel containing the upstream GFS2 fallocate rewrite.; Check distribution vendor advisories for backported fixes on older enterprise kernels..

Prepared

Jun 14, 2026, 22:07 UTC (UTC+00:00)

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