CVE-2012-6657: The sock_setsockopt function in net/core/sock.c in the Linux kernel before 3.5.7 does not ensure that a kee...

Security readout for executives and security teams

This is an old Linux kernel flaw that could let a local user crash a system if they can create raw sockets. The business impact is availability: affected servers may reboot or stop services. The sources do not show remote exploitation or active exploitation. Exposure is most likely on legacy Linux systems running kernels before 3.5.7 or vendor kernels missing the backport. Risk is higher on multi-user hosts, shared hosting, research systems, or container platforms where untrusted workloads may receive raw socket capability. Treat as a maintenance-priority availability issue, not an emergency remote compromise. Escalate priority for shared Linux infrastructure where local users or workloads are not fully trusted. Mitigation focus: Apply a vendor kernel update containing the upstream fix or a supported backport.; Check SUSE, Red Hat, HP, or distribution guidance for affected package status.; Prioritize multi-user and shared workload systems before single-purpose isolated hosts..

Prepared

Jun 14, 2026, 06:54 UTC (UTC+00:00)

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