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I. Basic Information for CVE-2025-40146
Vulnerability Information

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Vulnerability Title
blk-mq: fix potential deadlock while nr_requests grown
Source: NVD (National Vulnerability Database)
Vulnerability 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/
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞,该漏洞源于nr_requests增长时的潜在死锁,可能导致内存分配问题。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
LinuxLinux e3a2b3f931f59d5284abd13faf8bded726884ffd ~ 8d26acf8477174d8ef690eb6affe13a630f586ae -
LinuxLinux 3.16 -
II. Public POCs for CVE-2025-40146
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III. Intelligence Information for CVE-2025-40146
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IV. Related Vulnerabilities
V. Comments for CVE-2025-40146

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