{"id":"CVE-2024-40969","summary":"f2fs: don't set RO when shutting down f2fs","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: don't set RO when shutting down f2fs\n\nShutdown does not check the error of thaw_super due to readonly, which\ncauses a deadlock like below.\n\nf2fs_ioc_shutdown(F2FS_GOING_DOWN_FULLSYNC)        issue_discard_thread\n - bdev_freeze\n  - freeze_super\n - f2fs_stop_checkpoint()\n  - f2fs_handle_critical_error                     - sb_start_write\n    - set RO                                         - waiting\n - bdev_thaw\n  - thaw_super_locked\n    - return -EINVAL, if sb_rdonly()\n - f2fs_stop_discard_thread\n  -\u003e wait for kthread_stop(discard_thread);","modified":"2026-05-07T04:17:57.193466Z","published":"2024-07-12T12:32:08.139Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/40xxx/CVE-2024-40969.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/1036d3ea7a32cb7cee00885c73a1f2ba7fbc499a"},{"type":"WEB","url":"https://git.kernel.org/stable/c/3bdb7f161697e2d5123b89fe1778ef17a44858e7"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f47ed3b284b38f235355e281f57dfa8fffcc6563"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/40xxx/CVE-2024-40969.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-40969"},{"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":"98e4da8ca301e062d79ae168c67e56f3c3de3ce4"},{"fixed":"1036d3ea7a32cb7cee00885c73a1f2ba7fbc499a"},{"fixed":"f47ed3b284b38f235355e281f57dfa8fffcc6563"},{"fixed":"3bdb7f161697e2d5123b89fe1778ef17a44858e7"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2024-40969.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.8.0"},{"fixed":"6.6.36"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.9.7"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2024-40969.json"}}],"schema_version":"1.7.5"}