cvedb.io
CVE-2025-21728
MEDIUM · CVSS 5.5
EPSS exploitation probability: 0%
Published 2025-02-27T02:15:16.530 · Last modified 2026-06-17T08:44:08.240

Summary

In the Linux kernel, the following vulnerability has been resolved: bpf: Send signals asynchronously if !preemptible BPF programs can execute in all kinds of contexts and when a program running in a non-preemptible context uses the bpf_send_signal() kfunc, it will cause issues because this kfunc can sleep. Change `irqs_disabled()` to `!preemptible()`.

Affected products

linux — linux_kernel

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.