{"cve":"CVE-2022-49786","nvd":{"published":"2025-05-01T15:16:01.813","modified":"2026-06-17T05:19:08.663","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nblk-cgroup: properly pin the parent in blkcg_css_online\n\nblkcg_css_online is supposed to pin the blkcg of the parent, but\n397c9f46ee4d refactored things and along the way, changed it to pin the\ncss instead.  This results in extra pins, and we end up leaking blkcgs\nand cgroups.","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/d118247e404d6338f7b90636a3c6b95a387ed163","https://git.kernel.org/stable/c/d7dbd43f4a828fa1d9a8614d5b0ac40aee6375fe"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:01:22.920403922+00:00"},"epss":{"cve":"CVE-2022-49786","score":0.0017,"percentile":0.0638,"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."]}