NetSight
medium5.5

CVE-2022-49746

In the Linux kernel, the following vulnerability has been resolved: dmaengine: imx-sdma: Fix a possible memory leak in sdma_transfer_init If the function sdma_…

Impact

In the Linux kernel, the following vulnerability has been resolved: dmaengine: imx-sdma: Fix a possible memory leak in sdma_transfer_init If the function sdma_load_context() fails, the sdma_desc will be freed, but the allocated desc->bd is forgot to be freed. We already met the sdma_load_context() failure case and the log as below: [ 450.699064] imx-sdma 30bd0000.dma-controller: Timeout waiting for CH0 ready ... In this case, the desc->bd will not be freed without this change.

Affected products

VendorProductAffected versions
LinuxLinux Kernel
before 4.19.272
from 4.20 before 5.4.231
from 5.5 before 5.10.167
from 5.11 before 5.15.92
from 5.16 before 6.1.10
Version 6.2

Weakness classification

References