{"cve":"CVE-2026-80820","nvd":{"published":"2026-09-04T16:18:09.743","modified":"2026-09-04T16:18:09.743","status":"Received","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nxfs: don't livelock in scrub on a circular unlinked list\n\nLOLLM points out that online fsck can livelock if an unlinked inode list\ncontains a loop.  Use a bitmap to detect cycles.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["https://git.kernel.org/stable/c/159d162fe80bd56573cafde5801bd5a90a3dd1ac","https://git.kernel.org/stable/c/527eaaefddb6ec5c83a06c9a1559960dd6361753","https://git.kernel.org/stable/c/56407a61a8bb85b884de802d39635abdb0ea7408","https://git.kernel.org/stable/c/599453f83458b57995290a1d31200c263e2c2691"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:52:03.409947763+00:00"},"epss":{"cve":"CVE-2026-80820","score":0.00168,"percentile":0.06071,"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."]}