CVE-2025-40146

Published: Nov 12, 2025

Modified: May 11, 2026

PUBLISHED

Description

In the Linux kernel, the following vulnerability has been resolved: blk-mq: fix potential deadlock while nr_requests grown Allocate and free sched_tags while queue is freezed can deadlock[1], this is a long term problem, hence allocate memory before freezing queue and free memory after queue is unfreezed. [1] https://lore.kernel.org/all/[email protected]/

Vendor	Product	Versions
Linux	Linux	affected `e3a2b3f931f59d5284abd13faf8bded726884ffd - < 8d26acf8477174d8ef690eb6affe13a630f586ae` affected `e3a2b3f931f59d5284abd13faf8bded726884ffd - < b86433721f46d934940528f28d49c1dedb690df1`
Linux	Linux	affected `3.16` unaffected `0 - < 3.16` unaffected `6.17.3 - <= 6.17.` unaffected `6.18 - <= `

References

https://git.kernel.org/stable/c/8d26acf8477174d8ef690eb6affe13a630f586ae

https://git.kernel.org/stable/c/b86433721f46d934940528f28d49c1dedb690df1

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CVE-2025-40146

Description

Affected Products

References