VDB
CVE-2026-31480
CVE-2026-31480
PUBLISHED
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).
EPSS 0.01% · 2.7th percentile
Risk Scores
EPSS Score
0.01%
2.7th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | *, 6.1.168, 6.6.131 |
| linux | linux_kernel | 5.14, 5.14, 5.14 |
Timeline
- Apr 22, 2026 CVE Published
- Apr 23, 2026 Security Advisory
- Apr 27, 2026 CVE Updated
- May 18, 2026 EPSS Score
- May 19, 2026 EPSS Score
- May 20, 2026 EPSS Score
- May 21, 2026 EPSS Score
- May 22, 2026 EPSS Score
- May 23, 2026 EPSS Score
- May 24, 2026 EPSS Score
- May 25, 2026 EPSS Score
- May 26, 2026 EPSS Score
References
- https://git.kernel.org/stable/c/cf929c21eeed5bd39873fb14bfdfff963fa6f1da url
- https://git.kernel.org/stable/c/7aa095ce7d224308cb6979956f0de8607df93d4f url
- https://git.kernel.org/stable/c/ef41a85a55022e27cdaebf22a6676910b66f65aa url
- https://git.kernel.org/stable/c/03474a01c199de17a8e2d39b51df6beb9c76e831 url
- https://git.kernel.org/stable/c/f278b8ebf7eba2a1699cfc7bf30dd3ef898d60d7 url
- https://git.kernel.org/stable/c/7a41d4633cd2c15eb5ed31e8f3b16910e50a8c9f url
- https://git.kernel.org/stable/c/1f9885732248d22f788e4992c739a98c88ab8a55 url
- https://nvd.nist.gov/vuln/detail/CVE-2026-31480 advisory
- https://lists.debian.org/debian-lts-announce/2026/05/msg00004.html advisory
- https://lists.debian.org/debian-lts-announce/2026/05/msg00005.html advisory
- https://lists.debian.org/debian-security-announce/2026/msg00154.html advisory
- https://lists.debian.org/debian-security-announce/2026/msg00148.html advisory