{"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":"2026-01-05T23:23:05.062948Z","published":"2025-12-24T13:06:43.290Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/54xxx/CVE-2023-54124.json","cna_assigner":"Linux"},"references":[{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"},{"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"}],"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"}]}],"versions":["v4.18","v4.18-rc4","v4.18-rc5","v4.18-rc6","v4.18-rc7","v4.18-rc8","v4.19","v4.19-rc1","v4.19-rc2","v4.19-rc3","v4.19-rc4","v4.19-rc5","v4.19-rc6","v4.19-rc7","v4.19-rc8","v4.19.1","v4.19.10","v4.19.100","v4.19.101","v4.19.102","v4.19.103","v4.19.104","v4.19.105","v4.19.106","v4.19.107","v4.19.108","v4.19.109","v4.19.11","v4.19.110","v4.19.111","v4.19.112","v4.19.113","v4.19.114","v4.19.115","v4.19.116","v4.19.117","v4.19.118","v4.19.119","v4.19.12","v4.19.120","v4.19.121","v4.19.122","v4.19.123","v4.19.124","v4.19.125","v4.19.126","v4.19.127","v4.19.128","v4.19.129","v4.19.13","v4.19.130","v4.19.131","v4.19.132","v4.19.133","v4.19.134","v4.19.135","v4.19.136","v4.19.137","v4.19.138","v4.19.139","v4.19.14","v4.19.140","v4.19.141","v4.19.142","v4.19.143","v4.19.144","v4.19.145","v4.19.146","v4.19.147","v4.19.148","v4.19.149","v4.19.15","v4.19.150","v4.19.151","v4.19.152","v4.19.153","v4.19.154","v4.19.155","v4.19.156","v4.19.157","v4.19.158","v4.19.159","v4.19.16","v4.19.160","v4.19.161","v4.19.162","v4.19.163","v4.19.164","v4.19.165","v4.19.166","v4.19.167","v4.19.168","v4.19.169","v4.19.17","v4.19.170","v4.19.171","v4.19.172","v4.19.173","v4.19.174","v4.19.175","v4.19.176","v4.19.177","v4.19.178","v4.19.179","v4.19.18","v4.19.180","v4.19.181","v4.19.182","v4.19.183","v4.19.184","v4.19.185","v4.19.186","v4.19.187","v4.19.188","v4.19.189","v4.19.19","v4.19.190","v4.19.191","v4.19.192","v4.19.193","v4.19.194","v4.19.195","v4.19.196","v4.19.197","v4.19.198","v4.19.199","v4.19.2","v4.19.20","v4.19.200","v4.19.201","v4.19.202","v4.19.203","v4.19.204","v4.19.205","v4.19.206","v4.19.207","v4.19.208","v4.19.209","v4.19.21","v4.19.210","v4.19.211","v4.19.212","v4.19.213","v4.19.214","v4.19.215","v4.19.216","v4.19.217","v4.19.218","v4.19.219","v4.19.22","v4.19.220","v4.19.221","v4.19.222","v4.19.223","v4.19.224","v4.19.225","v4.19.226","v4.19.227","v4.19.228","v4.19.229","v4.19.23","v4.19.230","v4.19.231","v4.19.232","v4.19.233","v4.19.234","v4.19.235","v4.19.236","v4.19.237","v4.19.238","v4.19.239","v4.19.24","v4.19.240","v4.19.241","v4.19.242","v4.19.243","v4.19.244","v4.19.245","v4.19.246","v4.19.247","v4.19.248","v4.19.249","v4.19.25","v4.19.250","v4.19.251","v4.19.252","v4.19.253","v4.19.254","v4.19.255","v4.19.256","v4.19.257","v4.19.258","v4.19.259","v4.19.26","v4.19.260","v4.19.261","v4.19.262","v4.19.263","v4.19.264","v4.19.265","v4.19.266","v4.19.267","v4.19.268","v4.19.269","v4.19.27","v4.19.270","v4.19.271","v4.19.272","v4.19.273","v4.19.274","v4.19.275","v4.19.276","v4.19.277","v4.19.278","v4.19.279","v4.19.28","v4.19.280","v4.19.281","v4.19.282","v4.19.283","v4.19.29","v4.19.3","v4.19.30","v4.19.31","v4.19.32","v4.19.33","v4.19.34","v4.19.35","v4.19.36","v4.19.37","v4.19.38","v4.19.39","v4.19.4","v4.19.40","v4.19.41","v4.19.42","v4.19.43","v4.19.44","v4.19.45","v4.19.46","v4.19.47","v4.19.48","v4.19.49","v4.19.5","v4.19.50","v4.19.51","v4.19.52","v4.19.53","v4.19.54","v4.19.55","v4.19.56","v4.19.57","v4.19.58","v4.19.59","v4.19.6","v4.19.60","v4.19.61","v4.19.62","v4.19.63","v4.19.64","v4.19.65","v4.19.66","v4.19.67","v4.19.68","v4.19.69","v4.19.7","v4.19.70","v4.19.71","v4.19.72","v4.19.73","v4.19.74","v4.19.75","v4.19.76","v4.19.77","v4.19.78","v4.19.79","v4.1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