What’s Vulnerable › Vulnerabilities

CVE-2022-49861: dmaengine: mv_xor_v2: Fix a resource leak in mv_xor_v2_remove()

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-05-01 · updated 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: dmaengine: mv_xor_v2: Fix a resource leak in mv_xor_v2_remove() A clk_prepare_enable() call in the probe is not balanced by a corresponding clk_disable_unprepare() in the remove function. Add the missing call.

Affected products

• Linux kernel: from 4.9.104 before 4.9.334; from 4.14.45 before 4.14.300; from 4.16 before 4.19.267; from 4.20 before 5.4.225; from 5.5 before 5.10.155; from 5.11 before 5.15.79 — fixed in 4.14.300, 4.19.267, 4.9.334, 5.10.155, 5.15.79, 5.4.225

How to fix

Upgrade to a fixed version: Linux kernel 4.14.300, 4.19.267, 4.9.334, 5.10.155. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/04f2cc56d80a1ac058045a7835c5bfd910f17863
• https://git.kernel.org/stable/c/081195d17a0c4c636da2b869bd5809d42e8cbb13
• https://git.kernel.org/stable/c/0b7ee3d50f32d277bf024b4ddb4de54da43a3025
• https://git.kernel.org/stable/c/1d84887327659c58a6637060ac8c50c3a952a163
• https://git.kernel.org/stable/c/20479886b40c0ed4864a5fc8490a1f6b70cccf1b
• https://git.kernel.org/stable/c/4b6641c3a2ba95ddcfecec263b4a5e572a4b0641
• https://git.kernel.org/stable/c/992e966caf57e00855edbd79f19d911809732a69
• https://git.kernel.org/stable/c/a1cb72e20a64a3c83f9b4ee993fbf97e4c1d7714

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