CVE-2025-40146 — Deadlock in Linux

CWE-833 — Deadlock16 documents7 sources
Severity
6.2MEDIUM
No vector
EPSS
0.0%
top 92.64%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
10
LinuxLinux KernelDebian Linux+7 more
Timeline
PublishedNov 12
Latest updateFeb 24

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/[email protected]/

Affected Packages12 packages

▶Linuxlinux/linux_kernel3.16.0 — 6.17.3
▶Debianlinux/linux_kernel< 6.17.6-1
▶Ubuntulinux/linux_kernel< 6.17.0-14.14

🔴Vulnerability Details

8
OSV
linux-azure vulnerabilities↗2026-02-24
▶
OSV
linux-oem-6.17 vulnerabilities↗2026-02-17
▶
OSV
linux-aws, linux-oracle vulnerabilities↗2026-02-17
▶
OSV
linux-gcp vulnerabilities↗2026-02-12
▶
OSV
linux, linux-raspi, linux-realtime vulnerabilities↗2026-02-12
▶

📋Vendor Advisories

7
Ubuntu
Linux kernel (Azure) vulnerabilities↗2026-02-24
▶
Ubuntu
Linux kernel (OEM) vulnerabilities↗2026-02-17
▶
Ubuntu
Linux kernel (GCP) vulnerabilities↗2026-02-12
▶
Ubuntu
Linux kernel vulnerabilities↗2026-02-12
▶
Red Hat
kernel: blk-mq: fix potential deadlock while nr_requests grown↗2025-11-12
▶