CVE-2013-4312: The Linux kernel before 4.4.1 allows local users to bypass file-descriptor limits and cause a denial of ser...

Security readout for executives and security teams

This is a Linux kernel denial-of-service issue. A local user on an affected system could consume kernel memory by abusing UNIX socket file-descriptor handling, potentially degrading or crashing shared systems. It is not described as remote code execution or privilege escalation in the provided sources. Exposure is most likely on older Linux systems, appliances, containers hosts, or vendor kernels that did not receive the relevant 2016 kernel updates. Because vendors backport fixes, version checks must use distribution advisories, not only the upstream 4.4.1 version number. Treat this as a patch compliance and resilience issue, not an internet-facing emergency based on provided evidence. Prioritize aging Linux assets and shared environments where local users or workloads are less trusted. Mitigation focus: Apply the relevant Linux kernel update from the system vendor.; Check Red Hat, Ubuntu, Debian, Oracle, or Fedora advisories for fixed packages.; Prioritize shared systems with untrusted local users or workloads..

Prepared

Jun 13, 2026, 21:06 UTC (UTC+00:00)

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