CVE-2026-93136

Description

In the Linux kernel, the following vulnerability has been resolved: bus: mhi: ep: Fix device refcount leak in the error path of MHI device creation mhi_ep_create_device() takes one device reference for the UL channel and another for the DL channel after allocating the transfer device. These references are normally released by mhi_ep_destroy_device() before the device itself is removed. If dev_set_name() or device_add() fails, the error path currently drops only one reference. The remaining channel references keep the device from being released and leave the channels associated with a device that was never registered. Route both failures through a common unwind path that drops the DL channel reference, the UL channel reference, and the initial reference from device_initialize().

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EPSS — Exploit Prediction

0.0022

Probability of exploitation

0.11%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

References

Other References

https://git.kernel.org/stable/c/4fae8fd4adc7f4765463ddeb1a5fad23936432f6 https://git.kernel.org/stable/c/51ddb831a36102fd0ea25f354935e49abce9f0a1 https://git.kernel.org/stable/c/5587e7871ce994bb079f97fe7e430d99627e5292 https://git.kernel.org/stable/c/6f12862600bb70e599a614d706a095ea5f8f9858 https://git.kernel.org/stable/c/8acc3813ab5015af73eeb74c9032443162f122d1 https://git.kernel.org/stable/c/8f3f64faee335eb678fd7dca7b95dfe3d0b271fd

Frequently Asked Questions

What is CVE-2026-93136? +

In the Linux kernel, the following vulnerability has been resolved: bus: mhi: ep: Fix device refcount leak in the error path of MHI device creation mhi_ep_create_device() takes one device reference for the UL channel and another for the DL channel after allocating the transfer device. These references are normally released by mhi_ep_destroy_device() before the device itself is removed. If dev_set_name() or device_add() fails, the error path currently drops only one reference. The remaining channel references keep the device from being released and leave the channels associated with a device that was never registered. Route both failures through a common unwind path that drops the DL channel reference, the UL channel reference, and the initial reference from device_initialize().

How do I check if I'm vulnerable to CVE-2026-93136? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.