CVE-2015-3212: Race condition in net/sctp/socket.c in the Linux kernel before 4.1.2 allows local users to cause a denial o...

Security readout for executives and security teams

CVE-2015-3212 is a Linux kernel flaw in SCTP socket handling. A local user could trigger a race condition that corrupts kernel lists and crashes the system. The business impact is availability loss, not documented data theft or remote compromise in the provided sources. Exposure is mainly Linux systems with affected kernels before the relevant vendor fix, where local users can execute code and reach SCTP socket functionality. Internet-only exposure is not supported by the provided sources. Treat this as a patch-management availability issue. It is not described as remote code execution, but a local kernel panic can still disrupt shared infrastructure and production hosts with untrusted local workloads. Mitigation focus: Apply the fixed kernel from the relevant Linux distribution vendor.; Confirm whether vendor kernels backported the upstream fix before relying on version numbers.; Prioritize shared or multi-user Linux systems where local users can run code..

Prepared

Jun 13, 2026, 22:03 UTC (UTC+00:00)

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