CVE-2017-1000377: An issue was discovered in the size of the default stack guard page on PAX Linux (originally from GRSecurit...

Security readout for executives and security teams

CVE-2017-1000377 is a weakness in the default stack guard page size on PaX Linux kernels. The guard page may be too small and can be bypassed, reducing a memory-safety protection that some hardened Linux systems rely on. The affected version range is not clearly defined in the source bundle. Exposure is most likely limited to systems running PaX Linux kernel variants, including deployments derived from GRSecurity or shipped by other Linux vendors. Specific affected versions are not available in the bundle, so inventory confirmation is required. Treat this as an exposure clarification task, not a confirmed emergency from the provided evidence. Systems using PaX-style hardened kernels should be checked promptly because the flaw weakens a protection boundary, but the bundle lacks active-exploitation evidence and precise affected versions. Mitigation focus: Identify systems running PaX or GRSecurity-derived Linux kernels.; Check vendor advisories for affected kernel builds and updates.; Apply vendor-provided kernel fixes when available..

Prepared

Jun 13, 2026, 04:43 UTC (UTC+00:00)

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