# CVE-2022-48656: dmaengine: ti: k3-udma-private: Fix refcount leak bug in of\_xudma\_dev\_get()

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-04-28 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 5.6

## Description

In the Linux kernel, the following vulnerability has been resolved: dmaengine: ti: k3-udma-private: Fix refcount leak bug in of_xudma_dev_get() We should call of_node_put() for the reference returned by of_parse_phandle() in fail path or when it is not used anymore. Here we only need to move the of_node_put() before the check.

## What to do

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## Related

- Browse: [Linux kernel](https://cve.now/tech/linux-kernel.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://git.kernel.org/stable/c/aa11dae059a439af82bae541b134f8f53ac177b5
- https://git.kernel.org/stable/c/dd5a6c5a08752b613e83ad2cb5133e72a64b876d
- https://git.kernel.org/stable/c/a17df55bf6d536712da6902a83db82b82e67d5a2
- https://git.kernel.org/stable/c/f9fdb0b86f087c2b7f6c6168dd0985a3c1eda87e

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