CVE-2005-3272: Linux kernel before 2.6.12 allows remote attackers to poison the bridge forwarding table using frames that...

Security readout for executives and security teams

CVE-2005-3272 is an old Linux kernel bridge flaw. A remote party could poison a bridge forwarding table using frames already dropped by filtering, causing spoofed packets to be forwarded. It mainly matters where legacy Linux systems still act as network bridges. Exposure is most likely on obsolete Linux-based bridge, appliance, or embedded systems running kernels before 2.6.12. Modern maintained Linux distributions are unlikely to be affected, but legacy network appliances may persist. Treat as a legacy infrastructure risk. It is not supported by current exploitation evidence, but affected bridge devices can undermine network segmentation assumptions. Prioritize asset discovery and retirement of obsolete kernels. Mitigation focus: Inventory Linux bridge systems and network appliances using legacy kernels.; Confirm kernel versions are not older than 2.6.12.; Apply relevant vendor kernel updates where available..

Prepared

Jun 29, 2026, 17:30 UTC (UTC+00:00)

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