In the Linux kernel, the following vulnerability has been resolved:
iavf: Fix adminq error handling
iavfallocasqbufs/iavfallocarqbufs allocates with dmaalloccoherent 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: dmadebugdevicechange: 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 DMABIDIRECTIONAL] [mapped as coherent]
{
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50055.json",
"cna_assigner": "Linux"
}