What’s Vulnerable › Vulnerabilities

CVE-2026-90402: bus: mhi: host: Fix controller cleanup on EDL sysfs failure

• Severity: high (CVSS 7.0 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-17 · updated 2026-10-19

Description

In the Linux kernel, the following vulnerability has been resolved: bus: mhi: host: Fix controller cleanup on EDL sysfs failure mhi_register_controller() adds the controller device before creating the optional trigger_edl sysfs file. If sysfs_create_file() fails, the error path only drops the device reference and leaves the device registered. Hence, call device_del() in the error path before put_device().

Affected products

• Linux kernel: 6.10 — fixed in 7.3

How to fix

Upgrade to a fixed version: Linux kernel 7.3. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/0d5b9e66591d4e2a4376ac82c8cda889a29ba3ee
• https://git.kernel.org/stable/c/4743959aa8d876b5b456a62e8a62eb770db7afe9
• https://git.kernel.org/stable/c/4fb17a7c437f145353e93e6a9791f6db70e1cc63
• https://git.kernel.org/stable/c/7943dc67250fad6ceac0dd089c6ad5776e4be71d

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