CVE-2026-46228
Description
A flaw was found in the Linux kernel, specifically within the spi: ch341 driver. This vulnerability arises from incorrect management of device resources (devres) lifetime. When a Universal Serial Bus (USB) driver is unbound, the associated resources are not properly released, which can lead to memory leaks. This issue can occur during scenarios such as probe deferral or configuration changes, potentially impacting system stability and performance.
Understanding the Weakness (CWE)
Availability
Technical Impact: DoS: Resource Consumption (Other); DoS: Resource Consumption (Memory); DoS: Resource Consumption (CPU)
An attacker that can influence the allocation of resources that are not properly released could deplete the available resource pool and prevent all other processes from accessing the same type of resource. Frequently-affected resources include memory, CPU, disk space, power or battery, etc.
Frequently Asked Questions
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