CVE-2009-4537: drivers/net/r8169.c in the r8169 driver in the Linux kernel 2.6.32.3 and earlier does not properly check th...

Security readout for executives and security teams

This is an old Linux kernel network-driver flaw that could let a remote attacker disrupt networking or crash an affected host. The issue is limited to systems using the vulnerable r8169 driver in Linux kernel 2.6.32.3 or earlier. Exposure is most likely on legacy Linux systems running kernel 2.6.32.3 or earlier with the r8169 driver active. Modern, vendor-supported kernels are unlikely to remain affected, but this should be verified from asset inventory. Treat as a legacy infrastructure risk. Prioritize internet-facing or critical systems that use the affected driver, especially where a crash or network outage would disrupt operations. Mitigation focus: Identify systems running Linux kernel 2.6.32.3 or earlier.; Check whether the r8169 driver is loaded or required.; Apply the relevant vendor kernel advisory or supported kernel update..

Prepared

Jun 28, 2026, 09:59 UTC (UTC+00:00)

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