Vulnerability-Lookup

BDU:2025-14141 (CVE-2024-50241)

Vulnerability from fstec – Published: 2025-11-14 – Updated: 2025-11-14 – View on bdu.fstec.ru Fixed

Title

Уязвимость функции nfsd4_copy() модуля fs/nfsd/nfs4proc.c поддержки сетевой файловой системы NFS ядра операционной системы Linux, позволяющая нарушителю вызвать отказ в обслуживании

Summary

Уязвимость функции nfsd4_copy() модуля fs/nfsd/nfs4proc.c поддержки сетевой файловой системы NFS ядра операционной системы Linux связана с использованием неинициализированного ресурса. Эксплуатация уязвимости может позволить нарушителю вызвать отказ в обслуживании

Severity

4.6 (Medium) CVSS 2.0


                      
                        AV:L/AC:L/Au:S/C:N/I:N/A:C

5.5 (Medium) CVSS 3.1


                      
                        CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Class

Code vulnerability

Status

Confirmed by the vendor

Exploitation

Resource manipulation

Incidents

Being clarified

Remediation

Software update

CWE

CWE-908 - Использование неинициализированного ресурса

Aliases

CVE-2024-50241

References

11 references

URL
https://git.kernel.org/stable/c/e30a9a2f69c34a00a3cb4fd45c5d231929e66fb1
https://git.kernel.org/stable/c/059434d23c4578d9d02efb92d848ea21bc640112
https://git.kernel.org/stable/c/421f1a2a1afb47d88de09457ef7687e1df7bc997
https://git.kernel.org/stable/c/c3074003fa6837c2b89a34d8d12d9463b59d22d6
https://git.kernel.org/stable/c/7267625baf365a969f1b25ded6f07b64bc90ec5b
https://www.cve.org/CVERecord?id=CVE-2024-50241
https://lore.kernel.org/linux-cve-announce/2024110933-CVE-2024-50241-9744@gregkh/
https://git.kernel.org/linus/63fab04cbd0f96191b6e5beedc3b643b01c15889
https://kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.15
https://kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.7
https://bugzilla.redhat.com/show_bug.cgi?id=2325094

Impacted products

2 products from 2 vendors

Vendors

Fedora Project, Сообщество свободного программного обеспечения

Products

Fedora, Linux

Versions

41 (Fedora), 6.10.14 (Linux), от 6.11.3 до 6.11.6 включительно (Linux)

Product types

Operating system

Platforms

Fedora Project Fedora 41, Сообщество свободного программного обеспечения Linux 6.10.14, Сообщество свободного программного обеспечения Linux от 6.11.3 до 6.11.6 включительно

Mitigations

В условиях отсутствия обновлений безопасности от производителя рекомендуется придерживаться "Рекомендаций по безопасной настройке операционных систем LINUX", изложенных в методическом документе ФСТЭК России, утверждённом 25 декабря 2022 года. Использование рекомендаций: Для Linux: https://lore.kernel.org/linux-cve-announce/2024110933-CVE-2024-50241-9744@gregkh/ https://git.kernel.org/stable/c/e30a9a2f69c34a00a3cb4fd45c5d231929e66fb1 https://git.kernel.org/stable/c/059434d23c4578d9d02efb92d848ea21bc640112 https://git.kernel.org/stable/c/421f1a2a1afb47d88de09457ef7687e1df7bc997 https://git.kernel.org/stable/c/c3074003fa6837c2b89a34d8d12d9463b59d22d6 https://git.kernel.org/stable/c/7267625baf365a969f1b25ded6f07b64bc90ec5b https://git.kernel.org/linus/63fab04cbd0f96191b6e5beedc3b643b01c15889 Для Fedora: https://bugzilla.redhat.com/show_bug.cgi?id=2325094

JSON

To clipboard

{
  "CVSS 2.0": "AV:L/AC:L/Au:S/C:N/I:N/A:C",
  "CVSS 3.0": "AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
  "CVSS 4.0": null,
  "remediation_\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440": null,
  "remediation_\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435": null,
  "\u0412\u0435\u043d\u0434\u043e\u0440 \u041f\u041e": "Fedora Project, \u0421\u043e\u043e\u0431\u0449\u0435\u0441\u0442\u0432\u043e \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f",
  "\u0412\u0435\u0440\u0441\u0438\u044f \u041f\u041e": "41 (Fedora), 6.10.14 (Linux), \u043e\u0442 6.11.3 \u0434\u043e 6.11.6 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e (Linux)",
  "\u0412\u043e\u0437\u043c\u043e\u0436\u043d\u044b\u0435 \u043c\u0435\u0440\u044b \u043f\u043e \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u044e": "\u0412 \u0443\u0441\u043b\u043e\u0432\u0438\u044f\u0445 \u043e\u0442\u0441\u0443\u0442\u0441\u0442\u0432\u0438\u044f \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0439 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u043e\u0442 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044f \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0443\u0435\u0442\u0441\u044f \u043f\u0440\u0438\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0442\u044c\u0441\u044f \"\u0420\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0430\u0446\u0438\u0439 \u043f\u043e \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0439 \u043d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0435 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c LINUX\", \u0438\u0437\u043b\u043e\u0436\u0435\u043d\u043d\u044b\u0445 \u0432 \u043c\u0435\u0442\u043e\u0434\u0438\u0447\u0435\u0441\u043a\u043e\u043c \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442\u0435 \u0424\u0421\u0422\u042d\u041a \u0420\u043e\u0441\u0441\u0438\u0438, \u0443\u0442\u0432\u0435\u0440\u0436\u0434\u0451\u043d\u043d\u043e\u043c 25 \u0434\u0435\u043a\u0430\u0431\u0440\u044f 2022 \u0433\u043e\u0434\u0430.\n\n\n\n\u0418\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0430\u0446\u0438\u0439:\n\n\u0414\u043b\u044f Linux:\nhttps://lore.kernel.org/linux-cve-announce/2024110933-CVE-2024-50241-9744@gregkh/\nhttps://git.kernel.org/stable/c/e30a9a2f69c34a00a3cb4fd45c5d231929e66fb1\nhttps://git.kernel.org/stable/c/059434d23c4578d9d02efb92d848ea21bc640112\nhttps://git.kernel.org/stable/c/421f1a2a1afb47d88de09457ef7687e1df7bc997\nhttps://git.kernel.org/stable/c/c3074003fa6837c2b89a34d8d12d9463b59d22d6\nhttps://git.kernel.org/stable/c/7267625baf365a969f1b25ded6f07b64bc90ec5b\nhttps://git.kernel.org/linus/63fab04cbd0f96191b6e5beedc3b643b01c15889\n\n\u0414\u043b\u044f Fedora:\nhttps://bugzilla.redhat.com/show_bug.cgi?id=2325094",
  "\u0414\u0430\u0442\u0430 \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0438\u044f": "29.10.2024",
  "\u0414\u0430\u0442\u0430 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0435\u0433\u043e \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f": "14.11.2025",
  "\u0414\u0430\u0442\u0430 \u043f\u0443\u0431\u043b\u0438\u043a\u0430\u0446\u0438\u0438": "14.11.2025",
  "\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440": "BDU:2025-14141",
  "\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440\u044b \u0434\u0440\u0443\u0433\u0438\u0445 \u0441\u0438\u0441\u0442\u0435\u043c \u043e\u043f\u0438\u0441\u0430\u043d\u0438\u0439 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "CVE-2024-50241",
  "\u0418\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044f \u043e\u0431 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430",
  "\u041a\u043b\u0430\u0441\u0441 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043a\u043e\u0434\u0430",
  "\u041d\u0430\u0437\u0432\u0430\u043d\u0438\u0435 \u041f\u041e": "Fedora, Linux",
  "\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435 \u041e\u0421 \u0438 \u0442\u0438\u043f \u0430\u043f\u043f\u0430\u0440\u0430\u0442\u043d\u043e\u0439 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b": "Fedora Project Fedora 41 , \u0421\u043e\u043e\u0431\u0449\u0435\u0441\u0442\u0432\u043e \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f Linux 6.10.14 , \u0421\u043e\u043e\u0431\u0449\u0435\u0441\u0442\u0432\u043e \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f Linux \u043e\u0442 6.11.3 \u0434\u043e 6.11.6 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e ",
  "\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0444\u0443\u043d\u043a\u0446\u0438\u0438 nfsd4_copy() \u043c\u043e\u0434\u0443\u043b\u044f fs/nfsd/nfs4proc.c \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0438 \u0441\u0435\u0442\u0435\u0432\u043e\u0439 \u0444\u0430\u0439\u043b\u043e\u0432\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b NFS \u044f\u0434\u0440\u0430 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b Linux, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f \u043d\u0430\u0440\u0443\u0448\u0438\u0442\u0435\u043b\u044e \u0432\u044b\u0437\u0432\u0430\u0442\u044c \u043e\u0442\u043a\u0430\u0437 \u0432 \u043e\u0431\u0441\u043b\u0443\u0436\u0438\u0432\u0430\u043d\u0438\u0438",
  "\u041d\u0430\u043b\u0438\u0447\u0438\u0435 \u044d\u043a\u0441\u043f\u043b\u043e\u0439\u0442\u0430": "\u0414\u0430\u043d\u043d\u044b\u0435 \u0443\u0442\u043e\u0447\u043d\u044f\u044e\u0442\u0441\u044f",
  "\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u043e\u0448\u0438\u0431\u043a\u0438 CWE": "\u0418\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u043d\u0435\u0438\u043d\u0438\u0446\u0438\u0430\u043b\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0433\u043e \u0440\u0435\u0441\u0443\u0440\u0441\u0430 (CWE-908)",
  "\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0444\u0443\u043d\u043a\u0446\u0438\u0438 nfsd4_copy() \u043c\u043e\u0434\u0443\u043b\u044f fs/nfsd/nfs4proc.c \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0438 \u0441\u0435\u0442\u0435\u0432\u043e\u0439 \u0444\u0430\u0439\u043b\u043e\u0432\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b NFS \u044f\u0434\u0440\u0430 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b Linux \u0441\u0432\u044f\u0437\u0430\u043d\u0430 \u0441 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c \u043d\u0435\u0438\u043d\u0438\u0446\u0438\u0430\u043b\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0433\u043e \u0440\u0435\u0441\u0443\u0440\u0441\u0430. \u042d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u043c\u043e\u0436\u0435\u0442 \u043f\u043e\u0437\u0432\u043e\u043b\u0438\u0442\u044c \u043d\u0430\u0440\u0443\u0448\u0438\u0442\u0435\u043b\u044e \u0432\u044b\u0437\u0432\u0430\u0442\u044c \u043e\u0442\u043a\u0430\u0437 \u0432 \u043e\u0431\u0441\u043b\u0443\u0436\u0438\u0432\u0430\u043d\u0438\u0438",
  "\u041f\u043e\u0441\u043b\u0435\u0434\u0441\u0442\u0432\u0438\u044f \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": null,
  "\u041f\u0440\u043e\u0447\u0430\u044f \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044f": null,
  "\u0421\u0432\u044f\u0437\u044c \u0441 \u0438\u043d\u0446\u0438\u0434\u0435\u043d\u0442\u0430\u043c\u0438 \u0418\u0411": "\u0414\u0430\u043d\u043d\u044b\u0435 \u0443\u0442\u043e\u0447\u043d\u044f\u044e\u0442\u0441\u044f",
  "\u0421\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u0430",
  "\u0421\u043f\u043e\u0441\u043e\u0431 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u044f": "\u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f",
  "\u0421\u043f\u043e\u0441\u043e\u0431 \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438": "\u041c\u0430\u043d\u0438\u043f\u0443\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u0440\u0435\u0441\u0443\u0440\u0441\u0430\u043c\u0438",
  "\u0421\u0441\u044b\u043b\u043a\u0438 \u043d\u0430 \u0438\u0441\u0442\u043e\u0447\u043d\u0438\u043a\u0438": "https://git.kernel.org/stable/c/e30a9a2f69c34a00a3cb4fd45c5d231929e66fb1\nhttps://git.kernel.org/stable/c/059434d23c4578d9d02efb92d848ea21bc640112\nhttps://git.kernel.org/stable/c/421f1a2a1afb47d88de09457ef7687e1df7bc997\nhttps://git.kernel.org/stable/c/c3074003fa6837c2b89a34d8d12d9463b59d22d6\nhttps://git.kernel.org/stable/c/7267625baf365a969f1b25ded6f07b64bc90ec5b\nhttps://www.cve.org/CVERecord?id=CVE-2024-50241\nhttps://lore.kernel.org/linux-cve-announce/2024110933-CVE-2024-50241-9744@gregkh/\nhttps://git.kernel.org/linus/63fab04cbd0f96191b6e5beedc3b643b01c15889\nhttps://kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.15\nhttps://kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.7\nhttps://bugzilla.redhat.com/show_bug.cgi?id=2325094",
  "\u0421\u0442\u0430\u0442\u0443\u0441 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u041f\u043e\u0434\u0442\u0432\u0435\u0440\u0436\u0434\u0435\u043d\u0430 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u0435\u043c",
  "\u0422\u0438\u043f \u041f\u041e": "\u041e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u0430\u044f \u0441\u0438\u0441\u0442\u0435\u043c\u0430",
  "\u0422\u0438\u043f \u043e\u0448\u0438\u0431\u043a\u0438 CWE": "CWE-908",
  "\u0423\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0421\u0440\u0435\u0434\u043d\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 (\u0431\u0430\u0437\u043e\u0432\u0430\u044f \u043e\u0446\u0435\u043d\u043a\u0430 CVSS 2.0 \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 4,6)\n\u0421\u0440\u0435\u0434\u043d\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 (\u0431\u0430\u0437\u043e\u0432\u0430\u044f \u043e\u0446\u0435\u043d\u043a\u0430 CVSS 3.1 \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 5,5)"
}

CVE-2024-50241 (GCVE-0-2024-50241)

Vulnerability from cvelistv5 – Published: 2024-11-09 10:14 – Updated: 2026-08-05 11:42

Title

NFSD: Initialize struct nfsd4_copy earlier

Summary

In the Linux kernel, the following vulnerability has been resolved: NFSD: Initialize struct nfsd4_copy earlier Ensure the refcount and async_copies fields are initialized early. cleanup_async_copy() will reference these fields if an error occurs in nfsd4_copy(). If they are not correctly initialized, at the very least, a refcount underflow occurs.

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Assigner

Linux mitre root

References

6 references

URL	Tags
https://git.kernel.org/stable/c/059434d23c4578d9d…
https://git.kernel.org/stable/c/7267625baf365a969…
https://git.kernel.org/stable/c/c3074003fa6837c2b…
https://git.kernel.org/stable/c/421f1a2a1afb47d88…
https://git.kernel.org/stable/c/e30a9a2f69c34a00a…
https://git.kernel.org/stable/c/63fab04cbd0f96191…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 9e52ff544e0bfa09ee339fd7b0937ee3c080c24e , < 059434d23c4578d9d02efb92d848ea21bc640112 (git) Affected: 43e46ee5efc03990b223f7aa8b77aa9c3d3acfdf , < 7267625baf365a969f1b25ded6f07b64bc90ec5b (git) Affected: 7ea9260874b779637aff6d24c344b8ef4ac862a0 , < c3074003fa6837c2b89a34d8d12d9463b59d22d6 (git) Affected: ae267989b7b7933dfedcd26468d0a88fc3a9da9e , < 421f1a2a1afb47d88de09457ef7687e1df7bc997 (git) Affected: 6a488ad7745b8f64625c6d3a24ce7e448e83f11b , < e30a9a2f69c34a00a3cb4fd45c5d231929e66fb1 (git) Affected: aadc3bbea163b6caaaebfdd2b6c4667fbc726752 , < 63fab04cbd0f96191b6e5beedc3b643b01c15889 (git) Affected: b4e21431a0db4854b5023cd5af001be557e6c3db (git) Affected: 6.10.14 , < 6.11 (semver)
Linux	Linux	Affected: 6.11.3 , < 6.11.7 (semver)

Show details on NVD website

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To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/nfsd/nfs4proc.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "059434d23c4578d9d02efb92d848ea21bc640112",
              "status": "affected",
              "version": "9e52ff544e0bfa09ee339fd7b0937ee3c080c24e",
              "versionType": "git"
            },
            {
              "lessThan": "7267625baf365a969f1b25ded6f07b64bc90ec5b",
              "status": "affected",
              "version": "43e46ee5efc03990b223f7aa8b77aa9c3d3acfdf",
              "versionType": "git"
            },
            {
              "lessThan": "c3074003fa6837c2b89a34d8d12d9463b59d22d6",
              "status": "affected",
              "version": "7ea9260874b779637aff6d24c344b8ef4ac862a0",
              "versionType": "git"
            },
            {
              "lessThan": "421f1a2a1afb47d88de09457ef7687e1df7bc997",
              "status": "affected",
              "version": "ae267989b7b7933dfedcd26468d0a88fc3a9da9e",
              "versionType": "git"
            },
            {
              "lessThan": "e30a9a2f69c34a00a3cb4fd45c5d231929e66fb1",
              "status": "affected",
              "version": "6a488ad7745b8f64625c6d3a24ce7e448e83f11b",
              "versionType": "git"
            },
            {
              "lessThan": "63fab04cbd0f96191b6e5beedc3b643b01c15889",
              "status": "affected",
              "version": "aadc3bbea163b6caaaebfdd2b6c4667fbc726752",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "b4e21431a0db4854b5023cd5af001be557e6c3db",
              "versionType": "git"
            },
            {
              "lessThan": "6.11",
              "status": "affected",
              "version": "6.10.14",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/nfsd/nfs4proc.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "6.11.7",
              "status": "affected",
              "version": "6.11.3",
              "versionType": "semver"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.11.7",
                  "versionStartIncluding": "6.11.3",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionStartIncluding": "6.10.14",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nNFSD: Initialize struct nfsd4_copy earlier\n\nEnsure the refcount and async_copies fields are initialized early.\ncleanup_async_copy() will reference these fields if an error occurs\nin nfsd4_copy(). If they are not correctly initialized, at the very\nleast, a refcount underflow occurs."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "scenarios": [
            {
              "lang": "en",
              "value": "AV:N - The flaw is in nfsd\u0027s NFSv4.2 `OP_COPY` handler (`fs/nfsd/nfs4proc.c:nfsd4_copy()`), reached purely by sending a COMPOUND over TCP/2049 from a remote NFS client. The `ca_synchronous` flag that selects the vulnerable async branch is decoded directly from the wire in `nfsd4_decode_copy()`.\nAC:L - The attacker fully controls both trigger conditions \u2014 setting `ca_synchronous=false` and issuing more concurrent async COPYs than `sp_nrthreads` (default 8) by first parking several long-running copies. There is no race outside the attacker\u0027s control, no memory-layout dependency, and no unusual kernel configuration needed for the intra-server path.\nPR:N - Under AUTH_SYS \u2014 the default and overwhelmingly common NFS configuration \u2014 the server verifies no secret; a client simply asserts a UID to complete EXCHANGE_ID/CREATE_SESSION and OPEN the source/destination files, so no credentials in the CVSS sense are required. This matches the PR:N assigned to CVE-2024-53073, the companion fix to the identical error path.\nUI:N - The attacker\u0027s own COPY requests drive the entire sequence; no administrator or user on the NFS server has to open a file, mount anything, or take any action.\nS:U - The refcount underflow and leaked allocation are confined to the NFS server kernel\u0027s own memory and security authority, with no crossing into a hypervisor, IOMMU, or sandbox boundary.\nC:N - The underflow is caught by `refcount_warn_saturate()` and the object is simply never freed \u2014 there is no out-of-bounds read, no use-after-free of live data, and nothing from kernel memory is returned to the requesting client.\nI:N - No attacker-controlled write occurs: the leaked `struct nfsd4_copy` is unreachable and its refcount is saturated, so it is never reused or freed, yielding no corruption or control-flow primitive.\nA:H - `WARN_ONCE(\"refcount_t: underflow; use-after-free\")` panics the server outright on the common hardened/cloud setting `panic_on_warn=1`, and absent that, every triggering request permanently leaks a ~0.5 KB slab object, giving an unauthenticated remote client an unbounded kernel memory-exhaustion primitive that drives the NFS server to OOM."
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-05T11:42:42.206Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/059434d23c4578d9d02efb92d848ea21bc640112"
        },
        {
          "url": "https://git.kernel.org/stable/c/7267625baf365a969f1b25ded6f07b64bc90ec5b"
        },
        {
          "url": "https://git.kernel.org/stable/c/c3074003fa6837c2b89a34d8d12d9463b59d22d6"
        },
        {
          "url": "https://git.kernel.org/stable/c/421f1a2a1afb47d88de09457ef7687e1df7bc997"
        },
        {
          "url": "https://git.kernel.org/stable/c/e30a9a2f69c34a00a3cb4fd45c5d231929e66fb1"
        },
        {
          "url": "https://git.kernel.org/stable/c/63fab04cbd0f96191b6e5beedc3b643b01c15889"
        }
      ],
      "title": "NFSD: Initialize struct nfsd4_copy earlier",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-50241",
    "datePublished": "2024-11-09T10:14:51.119Z",
    "dateReserved": "2024-10-21T19:36:19.976Z",
    "dateUpdated": "2026-08-05T11:42:42.206Z",
    "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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.