{"uuid": "72ba9383-3041-4d81-9fe8-c435a2f68dd0", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2025-21728", "type": "published-proof-of-concept", "source": "https://t.me/DarkWebInformer_CVEAlerts/5637", "content": "\ud83d\udd17 DarkWebInformer.com - Cyber Threat Intelligence\n\ud83d\udccc CVE ID: CVE-2025-21728\n\ud83d\udd25 CVSS Score: N/A\n\ud83d\udd39 Description: In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Send signals asynchronously if !preemptible\n\nBPF programs can execute in all kinds of contexts and when a program\nrunning in a non-preemptible context uses the bpf_send_signal() kfunc,\nit will cause issues because this kfunc can sleep.\nChange `irqs_disabled()` to `!preemptible()`.\n\ud83d\udccf Published: 2025-02-27T02:07:34.114Z\n\ud83d\udccf Modified: 2025-02-27T02:07:34.114Z\n\ud83d\udd17 References:\n1. https://git.kernel.org/stable/c/be42a09fe898635b0093c0c8dac1bfabe225c240\n2. https://git.kernel.org/stable/c/eeef8e65041a031bd8a747a392c14b76a123a12c\n3. https://git.kernel.org/stable/c/78b97783496b454435639937db3303e900a24d3f\n4. https://git.kernel.org/stable/c/092fc76b7ab4163e008f9cde596a58dad2108260\n5. https://git.kernel.org/stable/c/87c544108b612512b254c8f79aa5c0a8546e2cc4", "creation_timestamp": "2025-02-27T02:25:21.000000Z"}