CVE-2025-40146 - blk-mq: fix potential deadlock while nr_requests grown

CVE-2025-40146 - blk-mq: fix potential deadlock while nr_requests grown

https://cvefeed.io/rssfeed/latest.atom / Wed, 11/12/2025 - 13:48
CVE ID : CVE-2025-40146
Published : Nov. 12, 2025, 10:23 a.m. | 36 minutes ago
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/0659ea8d-a463-47c8-9180-43c719e106eb@linux.ibm.com/
Severity: 0.0 | NA
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