{"id":"CVE-2023-54124","summary":"f2fs: fix to drop all dirty pages during umount() if cp_error is set","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: fix to drop all dirty pages during umount() if cp_error is set\n\nxfstest generic/361 reports a bug as below:\n\nf2fs_bug_on(sbi, sbi-\u003efsync_node_num);\n\nkernel BUG at fs/f2fs/super.c:1627!\nRIP: 0010:f2fs_put_super+0x3a8/0x3b0\nCall Trace:\n generic_shutdown_super+0x8c/0x1b0\n kill_block_super+0x2b/0x60\n kill_f2fs_super+0x87/0x110\n deactivate_locked_super+0x39/0x80\n deactivate_super+0x46/0x50\n cleanup_mnt+0x109/0x170\n __cleanup_mnt+0x16/0x20\n task_work_run+0x65/0xa0\n exit_to_user_mode_prepare+0x175/0x190\n syscall_exit_to_user_mode+0x25/0x50\n do_syscall_64+0x4c/0x90\n entry_SYSCALL_64_after_hwframe+0x72/0xdc\n\nDuring umount(), if cp_error is set, f2fs_wait_on_all_pages() should\nnot stop waiting all F2FS_WB_CP_DATA pages to be writebacked, otherwise,\nfsync_node_num can be non-zero after f2fs_wait_on_all_pages() causing\nthis bug.\n\nIn this case, to avoid deadloop in f2fs_wait_on_all_pages(), it needs\nto drop all dirty pages rather than redirtying them.","modified":"2026-08-12T03:51:08.466356575Z","published":"2025-12-24T13:06:43.290Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/54xxx/CVE-2023-54124.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/4ceedc2f8bdffb82e40b7d1bb912304f8e157cb1"},{"type":"WEB","url":"https://git.kernel.org/stable/c/7741ddc882a0c806a6508ba8203c55a779db7a21"},{"type":"WEB","url":"https://git.kernel.org/stable/c/82c3d6e9db41cbd3af1d4f90bdb441740b5fad10"},{"type":"WEB","url":"https://git.kernel.org/stable/c/92575f05a32dafb16348bfa5e62478118a9be069"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ad87bd313f70b51e48019d5ce2d02d73152356b3"},{"type":"WEB","url":"https://git.kernel.org/stable/c/c9b3649a934d131151111354bcbb638076f03a30"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d8f4ad5f3979dbd8e6251259562f12472717883a"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/54xxx/CVE-2023-54124.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-54124"},{"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":"af697c0f5c5b8798832e651baf23460d588393de"},{"fixed":"92575f05a32dafb16348bfa5e62478118a9be069"},{"fixed":"4ceedc2f8bdffb82e40b7d1bb912304f8e157cb1"},{"fixed":"ad87bd313f70b51e48019d5ce2d02d73152356b3"},{"fixed":"d8f4ad5f3979dbd8e6251259562f12472717883a"},{"fixed":"7741ddc882a0c806a6508ba8203c55a779db7a21"},{"fixed":"82c3d6e9db41cbd3af1d4f90bdb441740b5fad10"},{"fixed":"c9b3649a934d131151111354bcbb638076f03a30"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-54124.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.19.0"},{"fixed":"4.19.284"}]},{"type":"ECOSYSTEM","events":[{"introduced":"4.20.0"},{"fixed":"5.4.244"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.5.0"},{"fixed":"5.10.181"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.113"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.30"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.3.4"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-54124.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}