CVE-2026-31480

UNKNOWN 0.0

tracing: Fix potential deadlock in cpu hotplug with osnoise

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix potential deadlock in cpu hotplug with osnoise The following sequence may leads deadlock in cpu hotplug: task1 task2 task3 ----- ----- ----- mutex_lock(&interface_lock) [CPU GOING OFFLINE] cpus_write_lock(); osnoise_cpu_die(); kthread_stop(task3); wait_for_completion(); osnoise_sleep(); mutex_lock(&interface_lock); cpus_read_lock(); [DEAD LOCK] Fix by swap the order of cpus_read_lock() and mutex_lock(&interface_lock).

Vendor	linux
Product	linux
Ecosystems	Linux Kernel
Industries	Technology
Published	Apr 22, 2026

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Affected Versions

Linux / Linux

bce29ac9ce0bb0b0b146b687ab978378c21e9078 < cf929c21eeed5bd39873fb14bfdfff963fa6f1da bce29ac9ce0bb0b0b146b687ab978378c21e9078 < 7aa095ce7d224308cb6979956f0de8607df93d4f bce29ac9ce0bb0b0b146b687ab978378c21e9078 < ef41a85a55022e27cdaebf22a6676910b66f65aa bce29ac9ce0bb0b0b146b687ab978378c21e9078 < 03474a01c199de17a8e2d39b51df6beb9c76e831 bce29ac9ce0bb0b0b146b687ab978378c21e9078 < f278b8ebf7eba2a1699cfc7bf30dd3ef898d60d7 bce29ac9ce0bb0b0b146b687ab978378c21e9078 < 7a41d4633cd2c15eb5ed31e8f3b16910e50a8c9f bce29ac9ce0bb0b0b146b687ab978378c21e9078 < 1f9885732248d22f788e4992c739a98c88ab8a55

Linux / Linux

5.14

References

NVD ↗ CVE.org ↗ EPSS Data ↗

git.kernel.org: https://git.kernel.org/stable/c/cf929c21eeed5bd39873fb14bfdfff963fa6f1da git.kernel.org: https://git.kernel.org/stable/c/7aa095ce7d224308cb6979956f0de8607df93d4f git.kernel.org: https://git.kernel.org/stable/c/ef41a85a55022e27cdaebf22a6676910b66f65aa git.kernel.org: https://git.kernel.org/stable/c/03474a01c199de17a8e2d39b51df6beb9c76e831 git.kernel.org: https://git.kernel.org/stable/c/f278b8ebf7eba2a1699cfc7bf30dd3ef898d60d7 git.kernel.org: https://git.kernel.org/stable/c/7a41d4633cd2c15eb5ed31e8f3b16910e50a8c9f git.kernel.org: https://git.kernel.org/stable/c/1f9885732248d22f788e4992c739a98c88ab8a55