JLSEC-2026-797 Windows IOCP lifetime bugs can corrupt memory during cancellation or shutdown

Reseau releases before 1.3.3 contain related lifetime defects in the Windows I/O completion port IOCP backend. During cancellation or event-loop shutdown, the package can stop retaining memory that the Windows kernel still owns. A remote peer that can time or stall I/O around application-driven...

CVE-2026-53215

CVE-2026-53215 affects the Linux kernel mvpp2 driver: the RX path could return a descriptor buffer to the hardware Buffer Manager after it had been handed to XDP or an skb, allowing DMA into memory no longer owned by the RX ring. Root cause is improper handling of RX buffers in mvpp2_rx_refill() ...