Vulnerability-Lookup

FKIE_CVE-2025-71107

Vulnerability from fkie_nvd - Published: 2026-01-14 15:15 - Updated: 2026-03-25 19:33

Severity ?

5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Summary

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: <TASK> 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 </TASK> ---[ 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.

References

URL	Tags
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/0b36fae23621a09e772c8adf918b9011158f8511	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/297baa4aa263ff8f5b3d246ee16a660d76aa82c4	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/3b15d5f12935e9e25f9a571e680716bc9ee61025	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/c3031cf2b61f1508662fc95ef9ad505cb0882a5f	Patch

Impacted products

Vendor	Product	Version
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	6.5
linux	linux_kernel	6.19
linux	linux_kernel	6.19
linux	linux_kernel	6.19
linux	linux_kernel	6.19
linux	linux_kernel	6.19
linux	linux_kernel	6.19
linux	linux_kernel	6.19
linux	linux_kernel	6.19

JSON

To clipboard

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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  "cveTags": [],
  "descriptions": [
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      "lang": "en",
      "value": "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."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nf2fs: asegurar que las lecturas de p\u00e1ginas de nodo se completen antes de que f2fs_put_super() termine\n\nXfstests generic/335, generic/336 a veces fallan con el siguiente mensaje:\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 \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 \n---[ end trace 0000000000000000 ]---\n\nParece que a veces es posible que se llame a f2fs_put_super() antes de que se completen todas las lecturas de p\u00e1ginas de nodo.\nA\u00f1adir una llamada a f2fs_wait_on_all_pages() para F2FS_RD_NODE soluciona el problema."
    }
  ],
  "id": "CVE-2025-71107",
  "lastModified": "2026-03-25T19:33:06.880",
  "metrics": {
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        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
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  "published": "2026-01-14T15:15:59.763",
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          "lang": "en",
          "value": "CWE-476"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
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  ]
}

CVE-2025-71107 (GCVE-0-2025-71107)

Vulnerability from cvelistv5 – Published: 2026-01-14 15:05 – Updated: 2026-02-09 08:35

Title

f2fs: ensure node page reads complete before f2fs_put_super() finishes

Summary

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/c3031cf2b61f15086…
	https://git.kernel.org/stable/c/3b15d5f12935e9e25…
	https://git.kernel.org/stable/c/0b36fae23621a09e7…
	https://git.kernel.org/stable/c/297baa4aa263ff8f5…

Impacted products

Vendor

Product

Version

Linux

Affected: 20872584b8c0b006c007da9588a272c9e28d2e18 , < c3031cf2b61f1508662fc95ef9ad505cb0882a5f (git)
Affected: 20872584b8c0b006c007da9588a272c9e28d2e18 , < 3b15d5f12935e9e25f9a571e680716bc9ee61025 (git)
Affected: 20872584b8c0b006c007da9588a272c9e28d2e18 , < 0b36fae23621a09e772c8adf918b9011158f8511 (git)
Affected: 20872584b8c0b006c007da9588a272c9e28d2e18 , < 297baa4aa263ff8f5b3d246ee16a660d76aa82c4 (git)
Affected: 0e2577074b459bba7f4016f4d725ede37d48bb22 (git)

Linux

Affected: 6.5
Unaffected: 0 , < 6.5 (semver)
Unaffected: 6.6.120 , ≤ 6.6.* (semver)
Unaffected: 6.12.64 , ≤ 6.12.* (semver)
Unaffected: 6.18.3 , ≤ 6.18.* (semver)
Unaffected: 6.19 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/f2fs/super.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "lessThan": "c3031cf2b61f1508662fc95ef9ad505cb0882a5f",
              "status": "affected",
              "version": "20872584b8c0b006c007da9588a272c9e28d2e18",
              "versionType": "git"
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              "versionType": "git"
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              "status": "affected",
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              "status": "affected",
              "version": "20872584b8c0b006c007da9588a272c9e28d2e18",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "0e2577074b459bba7f4016f4d725ede37d48bb22",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "fs/f2fs/super.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "version": "6.5"
            },
            {
              "lessThan": "6.5",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
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              "status": "unaffected",
              "version": "6.6.120",
              "versionType": "semver"
            },
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              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.64",
              "versionType": "semver"
            },
            {
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              "status": "unaffected",
              "version": "6.18.3",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.19",
              "versionType": "original_commit_for_fix"
            }
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        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-02-09T08:35:00.702Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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        },
        {
          "url": "https://git.kernel.org/stable/c/297baa4aa263ff8f5b3d246ee16a660d76aa82c4"
        }
      ],
      "title": "f2fs: ensure node page reads complete before f2fs_put_super() finishes",
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  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-71107",
    "datePublished": "2026-01-14T15:05:55.878Z",
    "dateReserved": "2026-01-13T15:30:19.652Z",
    "dateUpdated": "2026-02-09T08:35:00.702Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

FKIE_CVE-2025-71107

CVE-2025-71107 (GCVE-0-2025-71107)

Tags

Sightings

Nomenclature