{"cve":"CVE-2025-71199","nvd":{"published":"2026-02-04T17:16:11.847","modified":"2026-06-17T10:03:52.323","status":"Deferred","description":"In the Linux kernel, the following vulnerability has been resolved:\n\niio: adc: at91-sama5d2_adc: Fix potential use-after-free in sama5d2_adc driver\n\nat91_adc_interrupt can call at91_adc_touch_data_handler function\nto start the work by schedule_work(&st->touch_st.workq).\n\nIf we remove the module which will call at91_adc_remove to\nmake cleanup, it will free indio_dev through iio_device_unregister but\nquite a bit later. While the work mentioned above will be used. The\nsequence of operations that may lead to a UAF bug is as follows:\n\nCPU0                                      CPU1\n\n                                     | at91_adc_workq_handler\nat91_adc_remove                      |\niio_device_unregister(indio_dev)     |\n//free indio_dev a bit later         |\n                                     | iio_push_to_buffers(indio_dev)\n                                     | //use indio_dev\n\nFix it by ensuring that the work is canceled before proceeding with\nthe cleanup in at91_adc_remove.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["https://git.kernel.org/stable/c/4c83dd62595ee7b7c9298a4d19a256b6647e7240","https://git.kernel.org/stable/c/919d176b05776c7ede79c36744c823a07d631617","https://git.kernel.org/stable/c/9795fe80976f8c31cafda7d44edfc0f532d1f7c4","https://git.kernel.org/stable/c/d7b6fc224c7f5d6d8adcb18037138d3cfe2bbdfe","https://git.kernel.org/stable/c/d890234a91570542c228a20f132ce74f9fedd904"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:22:27.261130201+00:00"},"epss":{"cve":"CVE-2025-71199","score":0.00207,"percentile":0.10873,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}