{"id":"CVE-2025-71107","summary":"f2fs: ensure node page reads complete before f2fs_put_super() finishes","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: ensure node page reads complete before f2fs_put_super() finishes\n\nXfstests generic/335, generic/336 sometimes crash with the following message:\n\nF2FS-fs (dm-0): detect filesystem reference count leak during umount, type: 9, count: 1\n------------[ cut here ]------------\nkernel BUG at fs/f2fs/super.c:1939!\nOops: invalid opcode: 0000 [#1] SMP NOPTI\nCPU: 1 UID: 0 PID: 609351 Comm: umount Tainted: G        W           6.17.0-rc5-xfstests-g9dd1835ecda5 #1 PREEMPT(none)\nTainted: [W]=WARN\nHardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014\nRIP: 0010:f2fs_put_super+0x3b3/0x3c0\nCall Trace:\n \u003cTASK\u003e\n generic_shutdown_super+0x7e/0x190\n kill_block_super+0x1a/0x40\n kill_f2fs_super+0x9d/0x190\n deactivate_locked_super+0x30/0xb0\n cleanup_mnt+0xba/0x150\n task_work_run+0x5c/0xa0\n exit_to_user_mode_loop+0xb7/0xc0\n do_syscall_64+0x1ae/0x1c0\n entry_SYSCALL_64_after_hwframe+0x76/0x7e\n \u003c/TASK\u003e\n---[ end trace 0000000000000000 ]---\n\nIt appears that sometimes it is possible that f2fs_put_super() is called before\nall node page reads are completed.\nAdding a call to f2fs_wait_on_all_pages() for F2FS_RD_NODE fixes the problem.","modified":"2026-03-20T12:46:37.539647Z","published":"2026-01-14T15:05:55.878Z","related":["MGASA-2026-0017","MGASA-2026-0018"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/71xxx/CVE-2025-71107.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/0b36fae23621a09e772c8adf918b9011158f8511"},{"type":"WEB","url":"https://git.kernel.org/stable/c/297baa4aa263ff8f5b3d246ee16a660d76aa82c4"},{"type":"WEB","url":"https://git.kernel.org/stable/c/3b15d5f12935e9e25f9a571e680716bc9ee61025"},{"type":"WEB","url":"https://git.kernel.org/stable/c/c3031cf2b61f1508662fc95ef9ad505cb0882a5f"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/71xxx/CVE-2025-71107.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-71107"},{"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":"20872584b8c0b006c007da9588a272c9e28d2e18"},{"fixed":"c3031cf2b61f1508662fc95ef9ad505cb0882a5f"},{"fixed":"3b15d5f12935e9e25f9a571e680716bc9ee61025"},{"fixed":"0b36fae23621a09e772c8adf918b9011158f8511"},{"fixed":"297baa4aa263ff8f5b3d246ee16a660d76aa82c4"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"0"},{"last_affected":"0e2577074b459bba7f4016f4d725ede37d48bb22"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-71107.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.5.0"},{"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/osv-test-cve-osv-conversion/osv-output/CVE-2025-71107.json"}}],"schema_version":"1.7.5"}