cbcvebase.
CVE-2025-71107
published 2026-01-14

CVE-2025-71107: In the Linux kernel, the following vulnerability has been resolved: f2fs: ensure node page reads complete before f2fs_put_super() finishes Xfstests…

PriorityP419medium5.5CVSS 3.1
AVLACLPRLUINSUCNINAH
EPSS
0.16%
5.5th percentile
In the Linux kernel, the following vulnerability has been resolved: f2fs: ensure node page reads complete before f2fs_put_super() finishes Xfstests generic/335, generic/336 sometimes crash with the following message: F2FS-fs (dm-0): detect filesystem reference count leak during umount, type: 9, count: 1 ------------[ cut here ]------------ kernel BUG at fs/f2fs/super.c:1939! Oops: invalid opcode: 0000 [#1] SMP NOPTI CPU: 1 UID: 0 PID: 609351 Comm: umount Tainted: G W 6.17.0-rc5-xfstests-g9dd1835ecda5 #1 PREEMPT(none) Tainted: [W]=WARN Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 RIP: 0010:f2fs_put_super+0x3b3/0x3c0 Call Trace: generic_shutdown_super+0x7e/0x190 kill_block_super+0x1a/0x40 kill_f2fs_super+0x9d/0x190 deactivate_locked_super+0x30/0xb0 cleanup_mnt+0xba/0x150 task_work_run+0x5c/0xa0 exit_to_user_mode_loop+0xb7/0xc0 do_syscall_64+0x1ae/0x1c0 entry_SYSCALL_64_after_hwframe+0x76/0x7e ---[ end trace 0000000000000000 ]--- It appears that sometimes it is possible that f2fs_put_super() is called before all node page reads are completed. Adding a call to f2fs_wait_on_all_pages() for F2FS_RD_NODE fixes the problem.

Affected

48 ranges· showing 25
VendorProductVersion rangeFixed in
debianlinux< linux 6.18.3-1 (forky)linux 6.18.3-1 (forky)
linuxlinux
linuxlinux
linuxlinux>= 20872584b8c0b006c007da9588a272c9e28d2e18 < c3031cf2b61f1508662fc95ef9ad505cb0882a5fc3031cf2b61f1508662fc95ef9ad505cb0882a5f
linuxlinux>= 20872584b8c0b006c007da9588a272c9e28d2e18 < 3b15d5f12935e9e25f9a571e680716bc9ee610253b15d5f12935e9e25f9a571e680716bc9ee61025
linuxlinux>= 20872584b8c0b006c007da9588a272c9e28d2e18 < 0b36fae23621a09e772c8adf918b9011158f85110b36fae23621a09e772c8adf918b9011158f8511
linuxlinux>= 20872584b8c0b006c007da9588a272c9e28d2e18 < 297baa4aa263ff8f5b3d246ee16a660d76aa82c4297baa4aa263ff8f5b3d246ee16a660d76aa82c4
linuxlinux>= 6.4.16 < 6.56.5
linuxlinux_kernel
linuxlinux_kernel
linuxlinux_kernel>= 0 < 6.12.69-16.12.69-1
linuxlinux_kernel>= 0 < 6.18.3-16.18.3-1
linuxlinux_kernel>= 6.13 < 6.18.36.18.3
linuxlinux_kernel>= 6.13.0 < 6.18.36.18.3
linuxlinux_kernel>= 6.4.16 < 6.56.5
linuxlinux_kernel>= 6.5.0 < 6.6.1206.6.120
linuxlinux_kernel>= 6.5.1 < 6.6.1206.6.120
linuxlinux_kernel>= 6.7 < 6.12.646.12.64
linuxlinux_kernel>= 6.7.0 < 6.12.646.12.64
ubuntulinux-aws
ubuntulinux-aws-6.17
ubuntulinux-aws-fips
ubuntulinux-azure
ubuntulinux-azure-6.17
ubuntulinux-azure-6.8

CVSS provenance

nvdv3.15.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
osv5.5MEDIUM
vendor_ubuntu6.4MEDIUM
vendor_debian5.5LOW
vendor_redhat5.5MEDIUM
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