CVE-2016-4485: The llc_cmsg_rcv function in net/llc/af_llc.c in the Linux kernel before 4.5.5 does not initialize a certai...

Security readout for executives and security teams

CVE-2016-4485 is a Linux kernel information leak. A flaw in the LLC networking code could let an attacker read unintended kernel stack memory. The sources do not show active exploitation or a CVSS score, but kernel memory leaks can expose sensitive data and sometimes support later attacks. Exposure is most likely on Linux systems running kernels before the upstream 4.5.5 fix or without a vendor backport. The source bundle does not define exact distribution versions, configurations, or attacker prerequisites, so teams should confirm against their vendor kernel advisories. Treat this as a routine but real kernel patching item. It is not KEV-listed and no active exploitation is cited, but unpatched kernel information leaks deserve timely remediation, especially on shared, exposed, or sensitive systems. Mitigation focus: Inventory Linux kernels and vendor package versions for CVE-2016-4485 coverage.; Apply vendor kernel updates that include the upstream 4.5.5 fix or backport.; Reboot affected systems after kernel updates, unless using vendor-supported live patching..

Prepared

Jun 13, 2026, 14:22 UTC (UTC+00:00)

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