{"cve":"CVE-2022-50402","nvd":{"published":"2025-09-18T16:15:43.257","modified":"2026-06-17T05:23:27.893","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrivers/md/md-bitmap: check the return value of md_bitmap_get_counter()\n\nCheck the return value of md_bitmap_get_counter() in case it returns\nNULL pointer, which will result in a null pointer dereference.\n\nv2: update the check to include other dereference","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":["CWE-476"],"references":["https://git.kernel.org/stable/c/100caacfa0ed26e061954c90cdc835d42f709536","https://git.kernel.org/stable/c/21e9aac9a74d30907d44bae0d24c036cb3819406","https://git.kernel.org/stable/c/3bd548e5b819b8c0f2c9085de775c5c7bff9052f","https://git.kernel.org/stable/c/5d8d046f3dba939e74e2414f009df426700430ed","https://git.kernel.org/stable/c/99bef41f8e8d1d52b5cb34f2f193f1346192752b"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:10:08.713834912+00:00"},"epss":{"cve":"CVE-2022-50402","score":0.0016,"percentile":0.05112,"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."]}