CVE-2025-37886: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 0.3% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: pds_core: make wait_context part of q_info Make the wait_context a full part of the q_info struct rather than a stack variable that goes away after pdsc_adminq_post() is done so that the context is still available after the wait loop has given up. There was a case where a slow development firmware caused the adminq request to time out, but then later the FW finally finished the request and sent the interrupt. The handler tried to complete_all() the completion context that had been created on the stack in pdsc_adminq_post() but no longer existed. This caused bad pointer usage, kernel crashes, and much wailing and gnashing of teeth.

Affected products

• Linux Linux Kernel: from 6.4, before 6.6.89 (fixed in 6.6.89); from 6.7, before 6.12.26 (fixed in 6.12.26); from 6.13, before 6.14.5 (fixed in 6.14.5); version 6.15 only

Published 2025-05-09. Last modified 2026-07-30.