CVE-2011-3359: The dma_rx function in drivers/net/wireless/b43/dma.c in the Linux kernel before 2.6.39 does not properly a...

Security readout for executives and security teams

This flaw can crash a Linux system when its Broadcom b43 wireless driver processes a specially crafted frame. The impact is denial of service, not documented data theft or privilege escalation. Business urgency depends on whether legacy Linux kernels before 2.6.39 and the b43 wireless driver remain in use. Exposure is most likely on legacy Linux systems running kernels before 2.6.39 with the b43 wireless driver present and active. Systems without that driver path, without affected Broadcom wireless hardware, or running fixed vendor kernels are less likely exposed. Treat this as a targeted legacy Linux availability issue. It warrants remediation where affected wireless-capable systems still exist, but the available sources do not support emergency treatment for modern patched fleets. Mitigation focus: Upgrade affected Linux kernels to 2.6.39 or a vendor-supported kernel containing the upstream fix.; Prioritize systems that load or rely on the b43 wireless driver.; Use distribution vendor advisories for backported kernel fixes before changing production kernels..

Prepared

Jun 24, 2026, 12:34 UTC (UTC+00:00)

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