{"cve":"CVE-2022-50512","nvd":{"published":"2025-10-07T16:15:34.473","modified":"2026-06-17T05:23:41.867","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\next4: fix potential memory leak in ext4_fc_record_regions()\n\nAs krealloc may return NULL, in this case 'state->fc_regions' may not be\nfreed by krealloc, but 'state->fc_regions' already set NULL. Then will\nlead to 'state->fc_regions' memory leak.","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-401"],"references":["https://git.kernel.org/stable/c/2cfb769d60a2a57eb3566765428b6131cd16dcfe","https://git.kernel.org/stable/c/417b0455a0b6d0f60a2930592731d1f8340e24be","https://git.kernel.org/stable/c/518566e71ad86b7c2f1bf6d9caee9588bb7ac158","https://git.kernel.org/stable/c/7069d105c1f15c442b68af43f7fde784f3126739","https://git.kernel.org/stable/c/a4058b869e6c5e517c79e30532a350d0f3115c3e"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:11:26.888974865+00:00"},"epss":{"cve":"CVE-2022-50512","score":0.00159,"percentile":0.05025,"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."]}