CVE-2025-21728

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()`.

The following products are affected by CVE-2025-21728 vulnerability.

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-21728.

URL	Resource
https://git.kernel.org/stable/c/092fc76b7ab4163e008f9cde596a58dad2108260
https://git.kernel.org/stable/c/78b97783496b454435639937db3303e900a24d3f
https://git.kernel.org/stable/c/87c544108b612512b254c8f79aa5c0a8546e2cc4
https://git.kernel.org/stable/c/be42a09fe898635b0093c0c8dac1bfabe225c240
https://git.kernel.org/stable/c/ce51eab2070e295d298f42a2f1db269cd1b56d55
https://git.kernel.org/stable/c/e306eaaa3d78b462db5f5b11e0171f9d2b6ca3f4
https://git.kernel.org/stable/c/eeef8e65041a031bd8a747a392c14b76a123a12c
https://git.kernel.org/stable/c/feba1308bc5e8e04cee751d39fae8a9b407a9034
https://lists.debian.org/debian-lts-announce/2025/03/msg00028.html
https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html
https://lore.kernel.org/linux-cve-announce/2025022648-CVE-2025-21728-5da4@gregkh/T
https://nvd.nist.gov/vuln/detail/CVE-2025-21728
https://www.cve.org/CVERecord?id=CVE-2025-21728