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CVE-2022-49396: phy: qcom-qmp: fix reset-controller leak on probe errors

• 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: 2025-02-26 · updated 2026-06-17
• Weakness: CWE-401

Description

In the Linux kernel, the following vulnerability has been resolved: phy: qcom-qmp: fix reset-controller leak on probe errors Make sure to release the lane reset controller in case of a late probe error (e.g. probe deferral). Note that due to the reset controller being defined in devicetree in "lane" child nodes, devm_reset_control_get_exclusive() cannot be used directly.

Affected products

• Linux kernel: from 4.12 before 4.14.283; from 4.15 before 4.19.247; from 4.20 before 5.4.198; from 5.5 before 5.10.121; from 5.11 before 5.15.46; from 5.16 before 5.17.14 — fixed in 4.14.283, 4.19.247, 5.10.121, 5.15.46, 5.17.14, 5.18.3

How to fix

Upgrade to a fixed version: Linux kernel 4.14.283, 4.19.247, 5.10.121, 5.15.46. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/2156dc390402043ba5982489c6625adcb0b0975c
• https://git.kernel.org/stable/c/4d2900f20edfe541f75756a00deeb2ffe7c66bc1
• https://git.kernel.org/stable/c/7ac21b24af859c097eb4034e93430056068f8f31
• https://git.kernel.org/stable/c/8c03eb0c8982677b4e17174073a011788891304d
• https://git.kernel.org/stable/c/a39d9eccb333b8c07c43ebea1c6dfda122378a0f
• https://git.kernel.org/stable/c/b7b5fbcaac5355e2e695dc0c08a0fcf248250388
• https://git.kernel.org/stable/c/ba173a6f8d8dffed64bb13ab23081bdddfb464f0
• https://git.kernel.org/stable/c/feb05b10b3ed3ae21b851520a0d0b71685439517

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