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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/

PUBLISHED Reserved 2025-04-16 | Published 2025-11-12 | Updated 2025-12-01 | Assigner Linux

Product status

Default status
unaffected

e3a2b3f931f59d5284abd13faf8bded726884ffd (git) before 8d26acf8477174d8ef690eb6affe13a630f586ae
affected

e3a2b3f931f59d5284abd13faf8bded726884ffd (git) before b86433721f46d934940528f28d49c1dedb690df1
affected

Default status
affected

3.16
affected

Any version before 3.16
unaffected

6.17.3 (semver)
unaffected

6.18 (original_commit_for_fix)
unaffected

References

git.kernel.org/...c/8d26acf8477174d8ef690eb6affe13a630f586ae

git.kernel.org/...c/b86433721f46d934940528f28d49c1dedb690df1

cve.org (CVE-2025-40146)

nvd.nist.gov (CVE-2025-40146)

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