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CVE-2026-31480 Detail

Description

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).


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

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URL Source(s) Tag(s)
https://git.kernel.org/stable/c/03474a01c199de17a8e2d39b51df6beb9c76e831 kernel.org
https://git.kernel.org/stable/c/1f9885732248d22f788e4992c739a98c88ab8a55 kernel.org
https://git.kernel.org/stable/c/7a41d4633cd2c15eb5ed31e8f3b16910e50a8c9f kernel.org
https://git.kernel.org/stable/c/7aa095ce7d224308cb6979956f0de8607df93d4f kernel.org
https://git.kernel.org/stable/c/cf929c21eeed5bd39873fb14bfdfff963fa6f1da kernel.org
https://git.kernel.org/stable/c/ef41a85a55022e27cdaebf22a6676910b66f65aa kernel.org
https://git.kernel.org/stable/c/f278b8ebf7eba2a1699cfc7bf30dd3ef898d60d7 kernel.org

Weakness Enumeration

CWE-ID CWE Name Source

Change History

1 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2026-31480
NVD Published Date:
04/22/2026
NVD Last Modified:
04/22/2026
Source:
kernel.org