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CVE-2025-21728

MEDIUM CVSS: 5.5 Published: 2025-02-27 Modified: 2026-06-17

Description

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 Platforms

Linux Linux Kernel

Weakness Type

NVD-CWE-noinfo

References