CVE-2022-49746
kernel: dmaengine: imx-sdma: Fix a possible memory leak in sdma_transfer_init
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · March 27, 2025
Updated · July 22, 2026
Description
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.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-401 · Missing Release of Memory after Effective Lifetime