Vulnerability-Lookup

BDU:2025-14272

Vulnerability from fstec - Published: 19.11.2022

Title

Уязвимость функции nilfs_dat_commit_free() модуля fs/nilfs2/dat.c поддержки файловой системы NILFS2 ядра операционной системы Linux, позволяющая нарушителю вызвать отказ в обслуживании

Description

Уязвимость функции nilfs_dat_commit_free() модуля fs/nilfs2/dat.c поддержки файловой системы NILFS2 ядра операционной системы Linux связана с разыменованием указателей. Эксплуатация уязвимости может позволить нарушителю вызвать отказ в обслуживании

Severity ?


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

Vendor

Сообщество свободного программного обеспечения

Software Name

Linux

Software Version

от 4.20 до 5.4.225 включительно (Linux), от 4.15 до 4.19.267 включительно (Linux), от 4.10 до 4.14.300 включительно (Linux), от 5.5 до 5.10.157 включительно (Linux), от 5.11 до 5.15.81 включительно (Linux), от 5.16 до 6.0.11 включительно (Linux), от 2.6.12 до 4.9.334 включительно (Linux)

Possible 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://git.kernel.org/stable/c/165c7a3b27a3857ebf57f626b9f38b48b6792e68 https://git.kernel.org/stable/c/e858917ab785afe83c14f5ac141301216ccda847 https://git.kernel.org/stable/c/bc3fd3293887b4cf84a9109700faeb82de533c89 https://git.kernel.org/stable/c/381b84f60e549ea98cec4666c6c728b1b3318756 https://git.kernel.org/stable/c/33021419fd81efd3d729a7f19341ba4b98fe66ce https://git.kernel.org/stable/c/9a130b72e6bd1fb07fc3cde839dc6fb53da76f07 https://git.kernel.org/stable/c/2f2c59506ae39496588ceb8b88bdbdbaed895d63 https://lore.kernel.org/linux-cve-announce/2024102151-CVE-2022-49007-c02b@gregkh/ https://git.kernel.org/linus/f0a0ccda18d6fd826d7c7e7ad48a6ed61c20f8b4 https://git.linuxtesting.ru/pub/scm/linux/kernel/git/lvc/linux-stable.git/commit/?h=v5.10.176-lvc1&id=e858917ab785afe83c14f5ac141301216ccda847 https://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.335 https://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.301 https://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.268 https://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.226 https://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.158 https://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.82 https://kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.12

Reference

https://git.kernel.org/stable/c/165c7a3b27a3857ebf57f626b9f38b48b6792e68 https://git.kernel.org/stable/c/e858917ab785afe83c14f5ac141301216ccda847 https://git.kernel.org/stable/c/bc3fd3293887b4cf84a9109700faeb82de533c89 https://git.kernel.org/stable/c/381b84f60e549ea98cec4666c6c728b1b3318756 https://git.kernel.org/stable/c/33021419fd81efd3d729a7f19341ba4b98fe66ce https://git.kernel.org/stable/c/9a130b72e6bd1fb07fc3cde839dc6fb53da76f07 https://git.kernel.org/stable/c/2f2c59506ae39496588ceb8b88bdbdbaed895d63 https://www.cve.org/CVERecord?id=CVE-2022-49007 https://lore.kernel.org/linux-cve-announce/2024102151-CVE-2022-49007-c02b@gregkh/ https://git.kernel.org/linus/f0a0ccda18d6fd826d7c7e7ad48a6ed61c20f8b4 https://git.linuxtesting.ru/pub/scm/linux/kernel/git/lvc/linux-stable.git/commit/?h=v5.10.176-lvc1&id=e858917ab785afe83c14f5ac141301216ccda847 https://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.335 https://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.301 https://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.268 https://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.226 https://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.158 https://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.82 https://kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.12

CWE

CWE-476

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": "\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": "\u043e\u0442 4.20 \u0434\u043e 5.4.225 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e (Linux), \u043e\u0442 4.15 \u0434\u043e 4.19.267 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e (Linux), \u043e\u0442 4.10 \u0434\u043e 4.14.300 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e (Linux), \u043e\u0442 5.5 \u0434\u043e 5.10.157 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e (Linux), \u043e\u0442 5.11 \u0434\u043e 5.15.81 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e (Linux), \u043e\u0442 5.16 \u0434\u043e 6.0.11 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e (Linux), \u043e\u0442 2.6.12 \u0434\u043e 4.9.334 \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://git.kernel.org/stable/c/165c7a3b27a3857ebf57f626b9f38b48b6792e68\nhttps://git.kernel.org/stable/c/e858917ab785afe83c14f5ac141301216ccda847\nhttps://git.kernel.org/stable/c/bc3fd3293887b4cf84a9109700faeb82de533c89\nhttps://git.kernel.org/stable/c/381b84f60e549ea98cec4666c6c728b1b3318756\nhttps://git.kernel.org/stable/c/33021419fd81efd3d729a7f19341ba4b98fe66ce\nhttps://git.kernel.org/stable/c/9a130b72e6bd1fb07fc3cde839dc6fb53da76f07\nhttps://git.kernel.org/stable/c/2f2c59506ae39496588ceb8b88bdbdbaed895d63\nhttps://lore.kernel.org/linux-cve-announce/2024102151-CVE-2022-49007-c02b@gregkh/\nhttps://git.kernel.org/linus/f0a0ccda18d6fd826d7c7e7ad48a6ed61c20f8b4\nhttps://git.linuxtesting.ru/pub/scm/linux/kernel/git/lvc/linux-stable.git/commit/?h=v5.10.176-lvc1\u0026id=e858917ab785afe83c14f5ac141301216ccda847\nhttps://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.335\nhttps://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.301\nhttps://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.268\nhttps://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.226\nhttps://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.158\nhttps://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.82\nhttps://kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.12",
  "\u0414\u0430\u0442\u0430 \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0438\u044f": "19.11.2022",
  "\u0414\u0430\u0442\u0430 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0435\u0433\u043e \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f": "16.11.2025",
  "\u0414\u0430\u0442\u0430 \u043f\u0443\u0431\u043b\u0438\u043a\u0430\u0446\u0438\u0438": "16.11.2025",
  "\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440": "BDU:2025-14272",
  "\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-2022-49007",
  "\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": "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": "\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 4.20 \u0434\u043e 5.4.225 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e , \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 4.15 \u0434\u043e 4.19.267 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e , \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 4.10 \u0434\u043e 4.14.300 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e , \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 5.5 \u0434\u043e 5.10.157 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e , \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 5.11 \u0434\u043e 5.15.81 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e , \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 5.16 \u0434\u043e 6.0.11 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e , \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 2.6.12 \u0434\u043e 4.9.334 \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 nilfs_dat_commit_free() \u043c\u043e\u0434\u0443\u043b\u044f fs/nilfs2/dat.c \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0438 \u0444\u0430\u0439\u043b\u043e\u0432\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b NILFS2 \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": "\u0420\u0430\u0437\u044b\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435 \u0443\u043a\u0430\u0437\u0430\u0442\u0435\u043b\u044f NULL (CWE-476)",
  "\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 nilfs_dat_commit_free() \u043c\u043e\u0434\u0443\u043b\u044f fs/nilfs2/dat.c \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0438 \u0444\u0430\u0439\u043b\u043e\u0432\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b NILFS2 \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 \u0440\u0430\u0437\u044b\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435\u043c \u0443\u043a\u0430\u0437\u0430\u0442\u0435\u043b\u0435\u0439. \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 \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0430\u043c\u0438 \u0434\u0430\u043d\u043d\u044b\u0445",
  "\u0421\u0441\u044b\u043b\u043a\u0438 \u043d\u0430 \u0438\u0441\u0442\u043e\u0447\u043d\u0438\u043a\u0438": "https://git.kernel.org/stable/c/165c7a3b27a3857ebf57f626b9f38b48b6792e68\nhttps://git.kernel.org/stable/c/e858917ab785afe83c14f5ac141301216ccda847\nhttps://git.kernel.org/stable/c/bc3fd3293887b4cf84a9109700faeb82de533c89\nhttps://git.kernel.org/stable/c/381b84f60e549ea98cec4666c6c728b1b3318756\nhttps://git.kernel.org/stable/c/33021419fd81efd3d729a7f19341ba4b98fe66ce\nhttps://git.kernel.org/stable/c/9a130b72e6bd1fb07fc3cde839dc6fb53da76f07\nhttps://git.kernel.org/stable/c/2f2c59506ae39496588ceb8b88bdbdbaed895d63\nhttps://www.cve.org/CVERecord?id=CVE-2022-49007\nhttps://lore.kernel.org/linux-cve-announce/2024102151-CVE-2022-49007-c02b@gregkh/\nhttps://git.kernel.org/linus/f0a0ccda18d6fd826d7c7e7ad48a6ed61c20f8b4\nhttps://git.linuxtesting.ru/pub/scm/linux/kernel/git/lvc/linux-stable.git/commit/?h=v5.10.176-lvc1\u0026id=e858917ab785afe83c14f5ac141301216ccda847\nhttps://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.335\nhttps://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.301\nhttps://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.268\nhttps://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.226\nhttps://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.158\nhttps://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.82\nhttps://kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.12",
  "\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-476",
  "\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-2022-49007 (GCVE-0-2022-49007)

Vulnerability from cvelistv5 – Published: 2024-10-21 20:06 – Updated: 2025-12-23 13:21

Title

nilfs2: fix NULL pointer dereference in nilfs_palloc_commit_free_entry()

Summary

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix NULL pointer dereference in nilfs_palloc_commit_free_entry() Syzbot reported a null-ptr-deref bug: NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017] CPU: 1 PID: 3603 Comm: segctord Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0 Hardware name: Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 RIP: 0010:nilfs_palloc_commit_free_entry+0xe5/0x6b0 fs/nilfs2/alloc.c:608 Code: 00 00 00 00 fc ff df 80 3c 02 00 0f 85 cd 05 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 73 08 49 8d 7e 10 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 26 05 00 00 49 8b 46 10 be a6 00 00 00 48 c7 c7 RSP: 0018:ffffc90003dff830 EFLAGS: 00010212 RAX: dffffc0000000000 RBX: ffff88802594e218 RCX: 000000000000000d RDX: 0000000000000002 RSI: 0000000000002000 RDI: 0000000000000010 RBP: ffff888071880222 R08: 0000000000000005 R09: 000000000000003f R10: 000000000000000d R11: 0000000000000000 R12: ffff888071880158 R13: ffff88802594e220 R14: 0000000000000000 R15: 0000000000000004 FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb1c08316a8 CR3: 0000000018560000 CR4: 0000000000350ee0 Call Trace: <TASK> nilfs_dat_commit_free fs/nilfs2/dat.c:114 [inline] nilfs_dat_commit_end+0x464/0x5f0 fs/nilfs2/dat.c:193 nilfs_dat_commit_update+0x26/0x40 fs/nilfs2/dat.c:236 nilfs_btree_commit_update_v+0x87/0x4a0 fs/nilfs2/btree.c:1940 nilfs_btree_commit_propagate_v fs/nilfs2/btree.c:2016 [inline] nilfs_btree_propagate_v fs/nilfs2/btree.c:2046 [inline] nilfs_btree_propagate+0xa00/0xd60 fs/nilfs2/btree.c:2088 nilfs_bmap_propagate+0x73/0x170 fs/nilfs2/bmap.c:337 nilfs_collect_file_data+0x45/0xd0 fs/nilfs2/segment.c:568 nilfs_segctor_apply_buffers+0x14a/0x470 fs/nilfs2/segment.c:1018 nilfs_segctor_scan_file+0x3f4/0x6f0 fs/nilfs2/segment.c:1067 nilfs_segctor_collect_blocks fs/nilfs2/segment.c:1197 [inline] nilfs_segctor_collect fs/nilfs2/segment.c:1503 [inline] nilfs_segctor_do_construct+0x12fc/0x6af0 fs/nilfs2/segment.c:2045 nilfs_segctor_construct+0x8e3/0xb30 fs/nilfs2/segment.c:2379 nilfs_segctor_thread_construct fs/nilfs2/segment.c:2487 [inline] nilfs_segctor_thread+0x3c3/0xf30 fs/nilfs2/segment.c:2570 kthread+0x2e4/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 </TASK> ... If DAT metadata file is corrupted on disk, there is a case where req->pr_desc_bh is NULL and blocknr is 0 at nilfs_dat_commit_end() during a b-tree operation that cascadingly updates ancestor nodes of the b-tree, because nilfs_dat_commit_alloc() for a lower level block can initialize the blocknr on the same DAT entry between nilfs_dat_prepare_end() and nilfs_dat_commit_end(). If this happens, nilfs_dat_commit_end() calls nilfs_dat_commit_free() without valid buffer heads in req->pr_desc_bh and req->pr_bitmap_bh, and causes the NULL pointer dereference above in nilfs_palloc_commit_free_entry() function, which leads to a crash. Fix this by adding a NULL check on req->pr_desc_bh and req->pr_bitmap_bh before nilfs_palloc_commit_free_entry() in nilfs_dat_commit_free(). This also calls nilfs_error() in that case to notify that there is a fatal flaw in the filesystem metadata and prevent further operations.

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/2f2c59506ae394965…
	https://git.kernel.org/stable/c/165c7a3b27a3857eb…
	https://git.kernel.org/stable/c/bc3fd3293887b4cf8…
	https://git.kernel.org/stable/c/9a130b72e6bd1fb07…
	https://git.kernel.org/stable/c/e858917ab785afe83…
	https://git.kernel.org/stable/c/33021419fd81efd3d…
	https://git.kernel.org/stable/c/381b84f60e549ea98…
	https://git.kernel.org/stable/c/f0a0ccda18d6fd826…

Impacted products

Vendor

Product

Version

Linux

Affected: a17564f58b11476c011d623fa1f268602a81c27c , < 2f2c59506ae39496588ceb8b88bdbdbaed895d63 (git)
Affected: a17564f58b11476c011d623fa1f268602a81c27c , < 165c7a3b27a3857ebf57f626b9f38b48b6792e68 (git)
Affected: a17564f58b11476c011d623fa1f268602a81c27c , < bc3fd3293887b4cf84a9109700faeb82de533c89 (git)
Affected: a17564f58b11476c011d623fa1f268602a81c27c , < 9a130b72e6bd1fb07fc3cde839dc6fb53da76f07 (git)
Affected: a17564f58b11476c011d623fa1f268602a81c27c , < e858917ab785afe83c14f5ac141301216ccda847 (git)
Affected: a17564f58b11476c011d623fa1f268602a81c27c , < 33021419fd81efd3d729a7f19341ba4b98fe66ce (git)
Affected: a17564f58b11476c011d623fa1f268602a81c27c , < 381b84f60e549ea98cec4666c6c728b1b3318756 (git)
Affected: a17564f58b11476c011d623fa1f268602a81c27c , < f0a0ccda18d6fd826d7c7e7ad48a6ed61c20f8b4 (git)

Linux

Affected: 2.6.30
Unaffected: 0 , < 2.6.30 (semver)
Unaffected: 4.9.335 , ≤ 4.9.* (semver)
Unaffected: 4.14.301 , ≤ 4.14.* (semver)
Unaffected: 4.19.268 , ≤ 4.19.* (semver)
Unaffected: 5.4.226 , ≤ 5.4.* (semver)
Unaffected: 5.10.158 , ≤ 5.10.* (semver)
Unaffected: 5.15.82 , ≤ 5.15.* (semver)
Unaffected: 6.0.12 , ≤ 6.0.* (semver)
Unaffected: 6.1 , ≤ * (original_commit_for_fix)

Show details on NVD website

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{
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              "content": {
                "id": "CVE-2022-49007",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
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                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-10-22T13:14:21.732997Z",
                "version": "2.0.3"
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      ],
      "cpeApplicability": [
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                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.0.12",
                  "versionStartIncluding": "2.6.30",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1",
                  "versionStartIncluding": "2.6.30",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnilfs2: fix NULL pointer dereference in nilfs_palloc_commit_free_entry()\n\nSyzbot reported a null-ptr-deref bug:\n\n NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP\n frequency \u003c 30 seconds\n general protection fault, probably for non-canonical address\n 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN\n KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017]\n CPU: 1 PID: 3603 Comm: segctord Not tainted\n 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0\n Hardware name: Google Compute Engine/Google Compute Engine, BIOS Google\n 10/11/2022\n RIP: 0010:nilfs_palloc_commit_free_entry+0xe5/0x6b0\n fs/nilfs2/alloc.c:608\n Code: 00 00 00 00 fc ff df 80 3c 02 00 0f 85 cd 05 00 00 48 b8 00 00 00\n 00 00 fc ff df 4c 8b 73 08 49 8d 7e 10 48 89 fa 48 c1 ea 03 \u003c80\u003e 3c 02\n 00 0f 85 26 05 00 00 49 8b 46 10 be a6 00 00 00 48 c7 c7\n RSP: 0018:ffffc90003dff830 EFLAGS: 00010212\n RAX: dffffc0000000000 RBX: ffff88802594e218 RCX: 000000000000000d\n RDX: 0000000000000002 RSI: 0000000000002000 RDI: 0000000000000010\n RBP: ffff888071880222 R08: 0000000000000005 R09: 000000000000003f\n R10: 000000000000000d R11: 0000000000000000 R12: ffff888071880158\n R13: ffff88802594e220 R14: 0000000000000000 R15: 0000000000000004\n FS:  0000000000000000(0000) GS:ffff8880b9b00000(0000)\n knlGS:0000000000000000\n CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n CR2: 00007fb1c08316a8 CR3: 0000000018560000 CR4: 0000000000350ee0\n Call Trace:\n  \u003cTASK\u003e\n  nilfs_dat_commit_free fs/nilfs2/dat.c:114 [inline]\n  nilfs_dat_commit_end+0x464/0x5f0 fs/nilfs2/dat.c:193\n  nilfs_dat_commit_update+0x26/0x40 fs/nilfs2/dat.c:236\n  nilfs_btree_commit_update_v+0x87/0x4a0 fs/nilfs2/btree.c:1940\n  nilfs_btree_commit_propagate_v fs/nilfs2/btree.c:2016 [inline]\n  nilfs_btree_propagate_v fs/nilfs2/btree.c:2046 [inline]\n  nilfs_btree_propagate+0xa00/0xd60 fs/nilfs2/btree.c:2088\n  nilfs_bmap_propagate+0x73/0x170 fs/nilfs2/bmap.c:337\n  nilfs_collect_file_data+0x45/0xd0 fs/nilfs2/segment.c:568\n  nilfs_segctor_apply_buffers+0x14a/0x470 fs/nilfs2/segment.c:1018\n  nilfs_segctor_scan_file+0x3f4/0x6f0 fs/nilfs2/segment.c:1067\n  nilfs_segctor_collect_blocks fs/nilfs2/segment.c:1197 [inline]\n  nilfs_segctor_collect fs/nilfs2/segment.c:1503 [inline]\n  nilfs_segctor_do_construct+0x12fc/0x6af0 fs/nilfs2/segment.c:2045\n  nilfs_segctor_construct+0x8e3/0xb30 fs/nilfs2/segment.c:2379\n  nilfs_segctor_thread_construct fs/nilfs2/segment.c:2487 [inline]\n  nilfs_segctor_thread+0x3c3/0xf30 fs/nilfs2/segment.c:2570\n  kthread+0x2e4/0x3a0 kernel/kthread.c:376\n  ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306\n  \u003c/TASK\u003e\n ...\n\nIf DAT metadata file is corrupted on disk, there is a case where\nreq-\u003epr_desc_bh is NULL and blocknr is 0 at nilfs_dat_commit_end() during\na b-tree operation that cascadingly updates ancestor nodes of the b-tree,\nbecause nilfs_dat_commit_alloc() for a lower level block can initialize\nthe blocknr on the same DAT entry between nilfs_dat_prepare_end() and\nnilfs_dat_commit_end().\n\nIf this happens, nilfs_dat_commit_end() calls nilfs_dat_commit_free()\nwithout valid buffer heads in req-\u003epr_desc_bh and req-\u003epr_bitmap_bh, and\ncauses the NULL pointer dereference above in\nnilfs_palloc_commit_free_entry() function, which leads to a crash.\n\nFix this by adding a NULL check on req-\u003epr_desc_bh and req-\u003epr_bitmap_bh\nbefore nilfs_palloc_commit_free_entry() in nilfs_dat_commit_free().\n\nThis also calls nilfs_error() in that case to notify that there is a fatal\nflaw in the filesystem metadata and prevent further operations."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-12-23T13:21:27.209Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/2f2c59506ae39496588ceb8b88bdbdbaed895d63"
        },
        {
          "url": "https://git.kernel.org/stable/c/165c7a3b27a3857ebf57f626b9f38b48b6792e68"
        },
        {
          "url": "https://git.kernel.org/stable/c/bc3fd3293887b4cf84a9109700faeb82de533c89"
        },
        {
          "url": "https://git.kernel.org/stable/c/9a130b72e6bd1fb07fc3cde839dc6fb53da76f07"
        },
        {
          "url": "https://git.kernel.org/stable/c/e858917ab785afe83c14f5ac141301216ccda847"
        },
        {
          "url": "https://git.kernel.org/stable/c/33021419fd81efd3d729a7f19341ba4b98fe66ce"
        },
        {
          "url": "https://git.kernel.org/stable/c/381b84f60e549ea98cec4666c6c728b1b3318756"
        },
        {
          "url": "https://git.kernel.org/stable/c/f0a0ccda18d6fd826d7c7e7ad48a6ed61c20f8b4"
        }
      ],
      "title": "nilfs2: fix NULL pointer dereference in nilfs_palloc_commit_free_entry()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-49007",
    "datePublished": "2024-10-21T20:06:19.506Z",
    "dateReserved": "2024-08-22T01:27:53.643Z",
    "dateUpdated": "2025-12-23T13:21:27.209Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date

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

BDU:2025-14272

CVE-2022-49007 (GCVE-0-2022-49007)

Tags

Sightings

Nomenclature