Not yet scoredPublished Nov 12, 2025

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

Updated under an hour ago (Oct 27, 2026, 4:10 AM ET)

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No exploitation reported and no EPSS estimate yet.

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Exploited in the last 30 days

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/

CVSS: Not yet scored
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Deferred
Record last updated: May 11, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from e3a2b3f931f59d5284abd13faf8bded726884ffd before 8d26acf8477174d8ef690eb6affe13a630f586ae; from e3a2b3f931f59d5284abd13faf8bded726884ffd before b86433721f46d934940528f28d49c1dedb690df1	CNA record

References

References

https://git.kernel.org/stable/c/8d26acf8477174d8ef690eb6affe13a630f586ae
https://git.kernel.org/stable/c/b86433721f46d934940528f28d49c1dedb690df1

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.