{"cve":"CVE-2026-68422","nvd":{"published":"2026-08-10T13:20:36.087","modified":"2026-08-19T17:20:49.363","status":"Received","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: fix root leak if its reloc root is unexpected in merge_reloc_roots()\n\nIf we have an unexpected reloc_root for our root, we jump to the out label\nbut never drop the reference we obtained for root, resulting in a leak.\nAdd a missing btrfs_put_root() call.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["https://git.kernel.org/stable/c/3f586b4c92e4272fcd01bf0db0590b63acf3e85b","https://git.kernel.org/stable/c/60a23d4ea169e27403f3bb023bb98036797c0206","https://git.kernel.org/stable/c/72f673d1c1deb819554d3e7e154f6d84301eb735","https://git.kernel.org/stable/c/7591d1727067d6063247901ad25c4bdc4e5695c4","https://git.kernel.org/stable/c/b3d39b03799600c76c33486e2d29b73a771023db"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:47:54.990491175+00:00"},"epss":{"cve":"CVE-2026-68422","score":0.00215,"percentile":0.11928,"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."]}