What’s Vulnerable › Vulnerabilities

CVE-2022-48656: dmaengine: ti: k3-udma-private: Fix refcount leak bug in of_xudma_dev_get()

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-04-28 · updated 2026-06-17
• Weakness: CWE-401

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.

Affected products

• Linux kernel: from 5.6.0 before 5.10.146; from 5.11.0 before 5.15.71; from 5.16.0 before 5.19.12 — fixed in 5.10.146, 5.15.71, 5.19.12

How to fix

Upgrade to a fixed version: Linux kernel 5.10.146, 5.15.71, 5.19.12. Check the vendor advisory for mitigations.

References

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

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