{"vulnerability": "CVE-2025-21728", "sightings": [{"uuid": "19ec3410-2241-409e-827b-56e2bfad4da1", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2025-21728", "type": "seen", "source": "https://t.me/cvedetector/18980", "content": "{\n  \"Source\": \"CVE FEED\",\n  \"Title\": \"CVE-2025-21728 - Linux Kernel BPF Signal Injection Privilege Escalation Vulnerability\", \n  \"Content\": \"CVE ID : CVE-2025-21728 \nPublished : Feb. 27, 2025, 2:15 a.m. | 50\u00a0minutes ago \nDescription : 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()`. \nSeverity: 0.0 | NA \nVisit the link for more details, such as CVSS details, affected products, timeline, and more...\",\n  \"Detection Date\": \"27 Feb 2025\",\n  \"Type\": \"Vulnerability\"\n}\n\ud83d\udd39 t.me/cvedetector \ud83d\udd39", "creation_timestamp": "2025-02-27T04:30:15.000000Z"}, {"uuid": "14574182-d13d-4905-a55a-448e928b924d", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2025-21728", "type": "seen", "source": "https://www.cisa.gov/news-events/ics-advisories/icsa-25-162-05", "content": "", "creation_timestamp": "2025-06-12T10:00:00.000000Z"}, {"uuid": "72ba9383-3041-4d81-9fe8-c435a2f68dd0", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "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"}]}