CVE-2011-4594: The __sys_sendmsg function in net/socket.c in the Linux kernel before 3.1 allows local users to cause a den...

Security readout for executives and security teams

CVE-2011-4594 is a local denial-of-service flaw in older Linux kernels. A user with local access could crash the system through incorrect handling in the send message path. The sources describe availability impact, not data theft, remote compromise, or privilege escalation. Exposure is most plausible on systems running Linux kernels before 3.1, or vendor kernels missing the referenced backport. The provided affected-product metadata is incomplete, so distribution-specific exposure must be confirmed against vendor kernel advisories and package history. Treat this as a stability and availability risk for legacy Linux systems, especially shared servers. It is not presented as a remote breach issue, but unpatched multi-user hosts could be crashed by a local user, causing service interruption. Mitigation focus: Upgrade to Linux kernel 3.1 or a vendor-supported kernel containing the upstream fix.; Check distribution advisories for backported fixes in older supported kernel packages.; Prioritize shared, multi-user, and internet-facing host environments where local users can run code..

Prepared

Jun 24, 2026, 12:52 UTC (UTC+00:00)

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