CVE-2011-0999: mm/huge_memory.c in the Linux kernel before 2.6.38-rc5 does not prevent creation of a transparent huge page...

Security readout for executives and security teams

This is an old Linux kernel flaw where local users could trigger excessive memory use through transparent huge page handling during process execution. The main documented impact is denial of service. It is not described as remotely exploitable, and the supplied sources do not show active exploitation. Exposure is most likely on legacy Linux systems using kernels before 2.6.38-rc5, or distribution kernels without the relevant backport. Modern supported Linux distributions are unlikely to be affected, but old appliances, embedded systems, and long-lived servers should be checked. Address during legacy kernel risk cleanup, with higher priority for shared or multi-tenant systems. This is not a network emergency based on the supplied evidence, but unsupported kernels carrying local denial-of-service flaws increase operational risk. Mitigation focus: Update affected Linux kernels using vendor-supported packages.; Confirm the 2.6.38-rc5 huge memory fix or equivalent backport is present.; Prioritize multi-user, shared hosting, and untrusted workload systems..

Prepared

Jun 28, 2026, 01:17 UTC (UTC+00:00)

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