CVE-2022-50055
Description
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]
How to fix
- linux linux_kernel5.4.211, 5.10.138, 5.15.63, 5.19.4 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 3.14 ≤ v < 5.4.211, 5.5 ≤ v < 5.10.138, 5.11 ≤ v < 5.15.63, 5.16 ≤ v < 5.19.4, 6.0 | 5.4.211, 5.10.138, 5.15.63, 5.19.4 |
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