CVE-2025-40146
N/A
N/A
Summary
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/
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | e3a2b3f931f59d5284abd13faf8bded726884ffd < 8d26acf8477174d8ef690eb6affe13a630f586ae | affected |
| Linux | Linux | e3a2b3f931f59d5284abd13faf8bded726884ffd < b86433721f46d934940528f28d49c1dedb690df1 | affected |
| Linux | Linux | 3.16 | affected |
| Linux | Linux | 0 < 3.16 | unaffected |
| Linux | Linux | 6.17.3 <= 6.17.* | unaffected |
| Linux | Linux | 6.18 <= * | unaffected |
Weaknesses
References
- https://git.kernel.org/stable/c/8d26acf8477174d8ef690eb6affe13a630f586ae
- https://git.kernel.org/stable/c/b86433721f46d934940528f28d49c1dedb690df1
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