DEBIAN-CVE-2026-31480
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).
Risk Scores
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:14 | linux | 0, 6.12.38-1, 6.12.43-1 |
| Debian:12 | linux | 0, 6.1.106-1, 6.1.106-2 |
| Debian:13 | linux | 0, 6.12.38-1, 6.12.41-1 |
| Debian:11 | linux-6.1 | 0, 6.1.106-3, 6.1.106-3 |
Timeline
- Apr 22, 2026 CVE Published
- May 2, 2026 CVE Updated