{"id":"CVE-2025-68769","summary":"f2fs: fix return value of f2fs_recover_fsync_data()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: fix return value of f2fs_recover_fsync_data()\n\nWith below scripts, it will trigger panic in f2fs:\n\nmkfs.f2fs -f /dev/vdd\nmount /dev/vdd /mnt/f2fs\ntouch /mnt/f2fs/foo\nsync\necho 111 \u003e\u003e /mnt/f2fs/foo\nf2fs_io fsync /mnt/f2fs/foo\nf2fs_io shutdown 2 /mnt/f2fs\numount /mnt/f2fs\nmount -o ro,norecovery /dev/vdd /mnt/f2fs\nor\nmount -o ro,disable_roll_forward /dev/vdd /mnt/f2fs\n\nF2FS-fs (vdd): f2fs_recover_fsync_data: recovery fsync data, check_only: 0\nF2FS-fs (vdd): Mounted with checkpoint version = 7f5c361f\nF2FS-fs (vdd): Stopped filesystem due to reason: 0\nF2FS-fs (vdd): f2fs_recover_fsync_data: recovery fsync data, check_only: 1\nFilesystem f2fs get_tree() didn't set fc-\u003eroot, returned 1\n------------[ cut here ]------------\nkernel BUG at fs/super.c:1761!\nOops: invalid opcode: 0000 [#1] SMP PTI\nCPU: 3 UID: 0 PID: 722 Comm: mount Not tainted 6.18.0-rc2+ #721 PREEMPT(voluntary)\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014\nRIP: 0010:vfs_get_tree.cold+0x18/0x1a\nCall Trace:\n \u003cTASK\u003e\n fc_mount+0x13/0xa0\n path_mount+0x34e/0xc50\n __x64_sys_mount+0x121/0x150\n do_syscall_64+0x84/0x800\n entry_SYSCALL_64_after_hwframe+0x76/0x7e\nRIP: 0033:0x7fa6cc126cfe\n\nThe root cause is we missed to handle error number returned from\nf2fs_recover_fsync_data() when mounting image w/ ro,norecovery or\nro,disable_roll_forward mount option, result in returning a positive\nerror number to vfs_get_tree(), fix it.","modified":"2026-04-02T13:03:47.730540Z","published":"2026-01-13T15:28:47.798Z","related":["MGASA-2026-0017","MGASA-2026-0018"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/68xxx/CVE-2025-68769.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/01fba45deaddcce0d0b01c411435d1acf6feab7b"},{"type":"WEB","url":"https://git.kernel.org/stable/c/0de4977a1eeafe9d77701e3c031a1bcdba389243"},{"type":"WEB","url":"https://git.kernel.org/stable/c/4560db9678a2c5952b6205fbca468c6805c2ba2a"},{"type":"WEB","url":"https://git.kernel.org/stable/c/473550e715654ad7612aa490d583cb7c25fe2ff3"},{"type":"WEB","url":"https://git.kernel.org/stable/c/9bc246018aaa3b46a7710428d0a2196c229f9d49"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a4c67d96f92eefcfa5596a08f069e77b743c5865"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e6ac31abd30e9fd2ef5f0819ce7f3f932be3b725"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/68xxx/CVE-2025-68769.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-68769"},{"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":"6781eabba1bdb133eb9125c4acf6704ccbe4df02"},{"fixed":"e6ac31abd30e9fd2ef5f0819ce7f3f932be3b725"},{"fixed":"0de4977a1eeafe9d77701e3c031a1bcdba389243"},{"fixed":"9bc246018aaa3b46a7710428d0a2196c229f9d49"},{"fixed":"a4c67d96f92eefcfa5596a08f069e77b743c5865"},{"fixed":"473550e715654ad7612aa490d583cb7c25fe2ff3"},{"fixed":"4560db9678a2c5952b6205fbca468c6805c2ba2a"},{"fixed":"01fba45deaddcce0d0b01c411435d1acf6feab7b"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"0"},{"last_affected":"1499d39b74f5957e932639a86487ccea5a0a9740"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-68769.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.7.0"},{"fixed":"5.10.248"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.198"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.160"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.120"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.64"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.3"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-68769.json"}}],"schema_version":"1.7.5"}