CVE-2022-50055: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: iavf: Fix adminq error handling iavf_alloc_asq_bufs/iavf_alloc_arq_bufs allocates with dma_alloc_coherent memory for VF mailbox. Free DMA regions for both ASQ and ARQ in case error happens during configuration of ASQ/ARQ registers. Without this change it is possible to see when unloading interface: 74626.583369: dma_debug_device_change: device driver has pending DMA allocations while released from device [count=32] One of leaked entries details: [device address=0x0000000b27ff9000] [size=4096 bytes] [mapped with DMA_BIDIRECTIONAL] [mapped as coherent]

Affected products

• Linux Linux Kernel: from 3.14, before 5.4.211 (fixed in 5.4.211); from 5.5, before 5.10.138 (fixed in 5.10.138); from 5.11, before 5.15.63 (fixed in 5.15.63); from 5.16, before 5.19.4 (fixed in 5.19.4); version 6.0 only

Published 2025-06-18. Last modified 2026-06-17.