{"cve":"CVE-2022-50250","nvd":{"published":"2025-09-15T14:15:35.623","modified":"2026-06-17T05:23:04.503","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nregulator: core: fix use_count leakage when handling boot-on\n\nI found a use_count leakage towards supply regulator of rdev with\nboot-on option.\n\n┌───────────────────┐           ┌───────────────────┐\n│  regulator_dev A  │           │  regulator_dev B  │\n│     (boot-on)     │           │     (boot-on)     │\n│    use_count=0    │◀──supply──│    use_count=1    │\n│                   │           │                   │\n└───────────────────┘           └───────────────────┘\n\nIn case of rdev(A) configured with `regulator-boot-on', the use_count\nof supplying regulator(B) will increment inside\nregulator_enable(rdev->supply).\n\nThus, B will acts like always-on, and further balanced\nregulator_enable/disable cannot actually disable it anymore.\n\nHowever, B was also configured with `regulator-boot-on', we wish it\ncould be disabled afterwards.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":[],"references":["https://git.kernel.org/stable/c/0591b14ce0398125439c759f889647369aa616a0","https://git.kernel.org/stable/c/4b737246ff50f810d6ab4be13c1388a07f0c14b1","https://git.kernel.org/stable/c/4dd6e1cc9c7403f1ee1b7eee85bc31b797ae8347","https://git.kernel.org/stable/c/5bfc53df288e8ea54ca6866fb92034214940183f","https://git.kernel.org/stable/c/bc6c381df5793ebcf32db88a3e65acf7870379fc"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:08:41.295252406+00:00"},"epss":{"cve":"CVE-2022-50250","score":0.0016,"percentile":0.05122,"date":"2026-11-01"},"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."]}