CVE-2015-8767: net/sctp/sm_sideeffect.c in the Linux kernel before 4.3 does not properly manage the relationship between a...

Security readout for executives and security teams

CVE-2015-8767 is a Linux kernel flaw in SCTP handling that can let a local user hang an affected system by triggering a deadlock. It is not described as remote code execution or data theft. Business urgency is highest for shared Linux systems, multi-user hosts, and environments where untrusted local users or workloads can access SCTP. Exposure is most likely on Linux systems running kernels before 4.3 or vendor backports lacking the SCTP fix. Risk depends on whether local users, containers, or applications can reach SCTP functionality. Internet exposure alone is not enough based on the provided evidence. Prioritize remediation during normal kernel patch cycles, with faster action for shared or multi-tenant Linux systems. The known impact is denial of service, not confirmed compromise, but an untrusted local user could disrupt availability on affected hosts. Mitigation focus: Apply the relevant vendor kernel update for affected Linux distributions.; Use a kernel version or vendor backport containing the upstream SCTP fix.; Review whether SCTP is required on exposed or shared systems..

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.