CVE-2024-26605

A flaw was found in the Linux kernel, where a deadlock scenario was triggered when enabling Active State Power Management (ASPM) during the probe of Qualcomm PCIe controllers. This deadlock was identified by lockdep and stemmed from a recursive locking scenario. This issue occurred when a task attempted to acquire a lock already held by another task, leading to a deadlock situation. The deadlock could be reproduced on certain machines, such as the Lenovo ThinkPad X13s, by intentionally delaying operations to increase the race window during asynchronous probes, allowing another thread to take a write lock.

Mitigation

Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.