{"cve":"CVE-2026-80897","nvd":{"published":"2026-09-04T18:17:57.957","modified":"2026-10-21T13:20:00.990","status":"Received","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnetfs: release readahead folios on iterator preparation failure\n\nnetfs_prepare_read_iterator() batches readahead folios in put_batch so that\nthe folio references can be dropped after the I/O iterator has been\nprepared.\n\nIf rolling_buffer_load_from_ra() fails after earlier folios have been\nbatched, the function returns immediately and leaves those references held.\nRelease the batch before returning the error.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["https://git.kernel.org/stable/c/2c148a31ca01fc160aceec777bbc0041b0d0b8bd","https://git.kernel.org/stable/c/87eb3d272dcbcbbfe5c1576c10e5dc72810cf1f6","https://git.kernel.org/stable/c/935e7b74bb2368f215cf8c2ad4bff60ee4e7589e","https://git.kernel.org/stable/c/9ef7c3c5cf771286f187aed199dac0972404cc0f"],"products":[],"source":"nvd","synced_at":"2026-10-22T16:41:11.231219466+00:00"},"epss":{"cve":"CVE-2026-80897","score":0.00209,"percentile":0.10916,"date":"2026-10-25"},"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."]}