{"id":"CVE-2026-80897","summary":"netfs: release readahead folios on iterator preparation failure","details":"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.","modified":"2026-09-06T03:47:00.105783840Z","published":"2026-09-04T17:11:12.499Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80897.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/2c148a31ca01fc160aceec777bbc0041b0d0b8bd"},{"type":"WEB","url":"https://git.kernel.org/stable/c/87eb3d272dcbcbbfe5c1576c10e5dc72810cf1f6"},{"type":"WEB","url":"https://git.kernel.org/stable/c/935e7b74bb2368f215cf8c2ad4bff60ee4e7589e"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80897.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-80897"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"06fa229ceb36898e68022b5654c017d2c6582d7d"},{"fixed":"2c148a31ca01fc160aceec777bbc0041b0d0b8bd"},{"fixed":"935e7b74bb2368f215cf8c2ad4bff60ee4e7589e"},{"fixed":"87eb3d272dcbcbbfe5c1576c10e5dc72810cf1f6"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-80897.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.14.0"},{"fixed":"6.18.44"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.1.8"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-80897.json"}}],"schema_version":"1.9.0"}