Tracker / CVE-2022-50055
CVE-2022-50055
Medium 5.5
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 and versions
| linux | linux_kernel |
|---|---|
| linux | linux_kernel · 3.14 → 5.4.211 |
| linux | linux_kernel · 5.11 → 5.15.63 |
| linux | linux_kernel · 5.16 → 5.19.4 |
| linux | linux_kernel · 5.5 → 5.10.138 |
Analysis
This page is not indexable yet.Until it carries original analysis — what it actually exposes, how to check in two minutes whether a system was touched, what to do if it was — the page stays noindex. The database decides that, not the template.