Vulnerability-Lookup

BDU:2025-00786

Vulnerability from fstec - Published: 12.10.2021

Title

Уязвимость функции devm_regmap_init_encx24j600 компонента encx24j600 ядра операционной системы Linux, позволяющая нарушителю вызвать отказ в обслуживании

Description

Уязвимость функции devm_regmap_init_encx24j600 компонента encx24j600 ядра операционной системы Linux связана с ошибками разыменования указателя. Эксплуатация уязвимости может позволить нарушителю вызвать отказ в обслуживании

Severity ?


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

Vendor

Сообщество свободного программного обеспечения, ООО «РусБИТех-Астра»

Software Name

Debian GNU/Linux, Astra Linux Special Edition для «Эльбрус» (запись в едином реестре российских программ №11156), Linux

Software Version

10 (Debian GNU/Linux), 8.1 «Ленинград» (Astra Linux Special Edition для «Эльбрус»), 11 (Debian GNU/Linux), 12 (Debian GNU/Linux), до 5.15.0 (Linux), от 4.10.0 до 4.14.252 (Linux), от 4.15.0 до 4.19.213 от 4.20.0 до 5.4.155 (Linux), от 4.4.0 до 4.4.290 (Linux), от 4.5.0 до 4.9.288 (Linux), от 5.11.0 до 5.14.14 (Linux), от 5.5.0 до 5.10.75 (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/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f03dca0c9e2297c84a018e306f8a9cd534ee4287 Для Debian GNU/Linux: https://security-tracker.debian.org/tracker/CVE-2021-47440 Для ОС Astra Linux: https://wiki.astralinux.ru/astra-linux-se81-bulletin-20241206SE81

Reference

https://git.kernel.org/linus/f03dca0c9e2297c84a018e306f8a9cd534ee4287 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f03dca0c9e2297c84a018e306f8a9cd534ee4287 https://git.kernel.org/stable/c/322c0e53496309e634d9db7349678eaad1d25b55 https://git.kernel.org/stable/c/4c2eb80fc90b05559ce6ed1b8dfb2348420b5644 https://git.kernel.org/stable/c/5e5494e6fc8a29c927e0478bec4a078a40da8901 https://git.kernel.org/stable/c/66358471fa75a713fd76bc8a4bd74cb14cd50a4f https://git.kernel.org/stable/c/e19c10d6e07c59c96e90fe053a72683ad8b0397e https://git.kernel.org/stable/c/f03dca0c9e2297c84a018e306f8a9cd534ee4287 https://git.kernel.org/stable/c/f043fac1133a6c5ef960a8422c0f6dd711dee462 https://git.kernel.org/stable/c/fddc7f678d7fb93caa0d7bc512f968ff1e2bddbc https://nvd.nist.gov/vuln/detail/CVE-2021-47440 https://security-tracker.debian.org/tracker/CVE-2021-47440 https://wiki.astralinux.ru/astra-linux-se81-bulletin-20241206SE81

CWE

CWE-476

JSON

To clipboard

{
  "CVSS 2.0": "AV:L/AC:L/Au:M/C:N/I:N/A:P",
  "CVSS 3.0": "AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L",
  "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, \u041e\u041e\u041e \u00ab\u0420\u0443\u0441\u0411\u0418\u0422\u0435\u0445-\u0410\u0441\u0442\u0440\u0430\u00bb",
  "\u0412\u0435\u0440\u0441\u0438\u044f \u041f\u041e": "10 (Debian GNU/Linux), 8.1 \u00ab\u041b\u0435\u043d\u0438\u043d\u0433\u0440\u0430\u0434\u00bb (Astra Linux Special Edition \u0434\u043b\u044f \u00ab\u042d\u043b\u044c\u0431\u0440\u0443\u0441\u00bb), 11 (Debian GNU/Linux), 12 (Debian GNU/Linux), \u0434\u043e 5.15.0 (Linux), \u043e\u0442 4.10.0 \u0434\u043e 4.14.252 (Linux), \u043e\u0442 4.15.0 \u0434\u043e 4.19.213 \u043e\u0442 4.20.0 \u0434\u043e 5.4.155 (Linux), \u043e\u0442 4.4.0 \u0434\u043e 4.4.290 (Linux), \u043e\u0442 4.5.0 \u0434\u043e 4.9.288 (Linux), \u043e\u0442 5.11.0 \u0434\u043e 5.14.14 (Linux), \u043e\u0442 5.5.0 \u0434\u043e 5.10.75 (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\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\u0414\u043b\u044f Linux:\nhttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f03dca0c9e2297c84a018e306f8a9cd534ee4287\n\n\u0414\u043b\u044f Debian GNU/Linux:\nhttps://security-tracker.debian.org/tracker/CVE-2021-47440\n\n\u0414\u043b\u044f \u041e\u0421 Astra Linux:\nhttps://wiki.astralinux.ru/astra-linux-se81-bulletin-20241206SE81",
  "\u0414\u0430\u0442\u0430 \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0438\u044f": "12.10.2021",
  "\u0414\u0430\u0442\u0430 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0435\u0433\u043e \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f": "28.01.2025",
  "\u0414\u0430\u0442\u0430 \u043f\u0443\u0431\u043b\u0438\u043a\u0430\u0446\u0438\u0438": "28.01.2025",
  "\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440": "BDU:2025-00786",
  "\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-2021-47440",
  "\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": "Debian GNU/Linux, Astra Linux Special Edition \u0434\u043b\u044f \u00ab\u042d\u043b\u044c\u0431\u0440\u0443\u0441\u00bb (\u0437\u0430\u043f\u0438\u0441\u044c \u0432 \u0435\u0434\u0438\u043d\u043e\u043c \u0440\u0435\u0435\u0441\u0442\u0440\u0435 \u0440\u043e\u0441\u0441\u0438\u0439\u0441\u043a\u0438\u0445 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c \u211611156), 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 Debian GNU/Linux 10 , \u041e\u041e\u041e \u00ab\u0420\u0443\u0441\u0411\u0418\u0422\u0435\u0445-\u0410\u0441\u0442\u0440\u0430\u00bb Astra Linux Special Edition \u0434\u043b\u044f \u00ab\u042d\u043b\u044c\u0431\u0440\u0443\u0441\u00bb 8.1 \u00ab\u041b\u0435\u043d\u0438\u043d\u0433\u0440\u0430\u0434\u00bb  (\u0437\u0430\u043f\u0438\u0441\u044c \u0432 \u0435\u0434\u0438\u043d\u043e\u043c \u0440\u0435\u0435\u0441\u0442\u0440\u0435 \u0440\u043e\u0441\u0441\u0438\u0439\u0441\u043a\u0438\u0445 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c \u211611156), \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 Debian GNU/Linux 11 , \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 Debian GNU/Linux 12 , \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 \u0434\u043e 5.15.0 , \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 4.10.0 \u0434\u043e 4.14.252 , \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 4.15.0 \u0434\u043e 4.19.213 \u043e\u0442 4.20.0 \u0434\u043e 5.4.155 , \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 4.4.0 \u0434\u043e 4.4.290 , \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 4.5.0 \u0434\u043e 4.9.288 , \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 5.11.0 \u0434\u043e 5.14.14 , \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 5.5.0 \u0434\u043e 5.10.75 ",
  "\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 devm_regmap_init_encx24j600 \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u0430 encx24j600 \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 devm_regmap_init_encx24j600 \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u0430 encx24j600 \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 \u043e\u0448\u0438\u0431\u043a\u0430\u043c\u0438 \u0440\u0430\u0437\u044b\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u044f \u0443\u043a\u0430\u0437\u0430\u0442\u0435\u043b\u044f. \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/linus/f03dca0c9e2297c84a018e306f8a9cd534ee4287\nhttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f03dca0c9e2297c84a018e306f8a9cd534ee4287\nhttps://git.kernel.org/stable/c/322c0e53496309e634d9db7349678eaad1d25b55\nhttps://git.kernel.org/stable/c/4c2eb80fc90b05559ce6ed1b8dfb2348420b5644\nhttps://git.kernel.org/stable/c/5e5494e6fc8a29c927e0478bec4a078a40da8901\nhttps://git.kernel.org/stable/c/66358471fa75a713fd76bc8a4bd74cb14cd50a4f\nhttps://git.kernel.org/stable/c/e19c10d6e07c59c96e90fe053a72683ad8b0397e\nhttps://git.kernel.org/stable/c/f03dca0c9e2297c84a018e306f8a9cd534ee4287\nhttps://git.kernel.org/stable/c/f043fac1133a6c5ef960a8422c0f6dd711dee462\nhttps://git.kernel.org/stable/c/fddc7f678d7fb93caa0d7bc512f968ff1e2bddbc\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-47440\nhttps://security-tracker.debian.org/tracker/CVE-2021-47440\nhttps://wiki.astralinux.ru/astra-linux-se81-bulletin-20241206SE81",
  "\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": "\u041d\u0438\u0437\u043a\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 1,7)\n\u041d\u0438\u0437\u043a\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 3.0 \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 2,3)"
}

CVE-2021-47440 (GCVE-0-2021-47440)

Vulnerability from cvelistv5 – Published: 2024-05-22 06:19 – Updated: 2025-05-04 07:10

Title

net: encx24j600: check error in devm_regmap_init_encx24j600

Summary

In the Linux kernel, the following vulnerability has been resolved: net: encx24j600: check error in devm_regmap_init_encx24j600 devm_regmap_init may return error which caused by like out of memory, this will results in null pointer dereference later when reading or writing register: general protection fault in encx24j600_spi_probe KASAN: null-ptr-deref in range [0x0000000000000090-0x0000000000000097] CPU: 0 PID: 286 Comm: spi-encx24j600- Not tainted 5.15.0-rc2-00142-g9978db750e31-dirty #11 9c53a778c1306b1b02359f3c2bbedc0222cba652 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1ubuntu1.1 04/01/2014 RIP: 0010:regcache_cache_bypass drivers/base/regmap/regcache.c:540 Code: 54 41 89 f4 55 53 48 89 fb 48 83 ec 08 e8 26 94 a8 fe 48 8d bb a0 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 4a 03 00 00 4c 8d ab b0 00 00 00 48 8b ab a0 00 RSP: 0018:ffffc900010476b8 EFLAGS: 00010207 RAX: dffffc0000000000 RBX: fffffffffffffff4 RCX: 0000000000000000 RDX: 0000000000000012 RSI: ffff888002de0000 RDI: 0000000000000094 RBP: ffff888013c9a000 R08: 0000000000000000 R09: fffffbfff3f9cc6a R10: ffffc900010476e8 R11: fffffbfff3f9cc69 R12: 0000000000000001 R13: 000000000000000a R14: ffff888013c9af54 R15: ffff888013c9ad08 FS: 00007ffa984ab580(0000) GS:ffff88801fe00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055a6384136c8 CR3: 000000003bbe6003 CR4: 0000000000770ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 PKRU: 55555554 Call Trace: encx24j600_spi_probe drivers/net/ethernet/microchip/encx24j600.c:459 spi_probe drivers/spi/spi.c:397 really_probe drivers/base/dd.c:517 __driver_probe_device drivers/base/dd.c:751 driver_probe_device drivers/base/dd.c:782 __device_attach_driver drivers/base/dd.c:899 bus_for_each_drv drivers/base/bus.c:427 __device_attach drivers/base/dd.c:971 bus_probe_device drivers/base/bus.c:487 device_add drivers/base/core.c:3364 __spi_add_device drivers/spi/spi.c:599 spi_add_device drivers/spi/spi.c:641 spi_new_device drivers/spi/spi.c:717 new_device_store+0x18c/0x1f1 [spi_stub 4e02719357f1ff33f5a43d00630982840568e85e] dev_attr_store drivers/base/core.c:2074 sysfs_kf_write fs/sysfs/file.c:139 kernfs_fop_write_iter fs/kernfs/file.c:300 new_sync_write fs/read_write.c:508 (discriminator 4) vfs_write fs/read_write.c:594 ksys_write fs/read_write.c:648 do_syscall_64 arch/x86/entry/common.c:50 entry_SYSCALL_64_after_hwframe arch/x86/entry/entry_64.S:113 Add error check in devm_regmap_init_encx24j600 to avoid this situation.

Severity ?

2.3 (Low)


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

CWE

CWE-476 - NULL Pointer Dereference

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/66358471fa75a713f…
	https://git.kernel.org/stable/c/f043fac1133a6c5ef…
	https://git.kernel.org/stable/c/fddc7f678d7fb93ca…
	https://git.kernel.org/stable/c/5e5494e6fc8a29c92…
	https://git.kernel.org/stable/c/4c2eb80fc90b05559…
	https://git.kernel.org/stable/c/e19c10d6e07c59c96…
	https://git.kernel.org/stable/c/322c0e53496309e63…
	https://git.kernel.org/stable/c/f03dca0c9e2297c84…

Impacted products

Vendor

Product

Version

Linux

Affected: 04fbfce7a222327b97ca165294ef19f0faa45960 , < 66358471fa75a713fd76bc8a4bd74cb14cd50a4f (git)
Affected: 04fbfce7a222327b97ca165294ef19f0faa45960 , < f043fac1133a6c5ef960a8422c0f6dd711dee462 (git)
Affected: 04fbfce7a222327b97ca165294ef19f0faa45960 , < fddc7f678d7fb93caa0d7bc512f968ff1e2bddbc (git)
Affected: 04fbfce7a222327b97ca165294ef19f0faa45960 , < 5e5494e6fc8a29c927e0478bec4a078a40da8901 (git)
Affected: 04fbfce7a222327b97ca165294ef19f0faa45960 , < 4c2eb80fc90b05559ce6ed1b8dfb2348420b5644 (git)
Affected: 04fbfce7a222327b97ca165294ef19f0faa45960 , < e19c10d6e07c59c96e90fe053a72683ad8b0397e (git)
Affected: 04fbfce7a222327b97ca165294ef19f0faa45960 , < 322c0e53496309e634d9db7349678eaad1d25b55 (git)
Affected: 04fbfce7a222327b97ca165294ef19f0faa45960 , < f03dca0c9e2297c84a018e306f8a9cd534ee4287 (git)

Linux

Affected: 4.4
Unaffected: 0 , < 4.4 (semver)
Unaffected: 4.4.290 , ≤ 4.4.* (semver)
Unaffected: 4.9.288 , ≤ 4.9.* (semver)
Unaffected: 4.14.252 , ≤ 4.14.* (semver)
Unaffected: 4.19.213 , ≤ 4.19.* (semver)
Unaffected: 5.4.155 , ≤ 5.4.* (semver)
Unaffected: 5.10.75 , ≤ 5.10.* (semver)
Unaffected: 5.14.14 , ≤ 5.14.* (semver)
Unaffected: 5.15 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

{
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            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "LOCAL",
              "availabilityImpact": "LOW",
              "baseScore": 2.3,
              "baseSeverity": "LOW",
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "privilegesRequired": "HIGH",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L",
              "version": "3.1"
            }
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                "lang": "en",
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              "status": "unaffected",
              "version": "5.15",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "4.4.290",
                  "versionStartIncluding": "4.4",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "4.9.288",
                  "versionStartIncluding": "4.4",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "4.14.252",
                  "versionStartIncluding": "4.4",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "4.19.213",
                  "versionStartIncluding": "4.4",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.4.155",
                  "versionStartIncluding": "4.4",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.10.75",
                  "versionStartIncluding": "4.4",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.14.14",
                  "versionStartIncluding": "4.4",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15",
                  "versionStartIncluding": "4.4",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: encx24j600: check error in devm_regmap_init_encx24j600\n\ndevm_regmap_init may return error which caused by like out of memory,\nthis will results in null pointer dereference later when reading\nor writing register:\n\ngeneral protection fault in encx24j600_spi_probe\nKASAN: null-ptr-deref in range [0x0000000000000090-0x0000000000000097]\nCPU: 0 PID: 286 Comm: spi-encx24j600- Not tainted 5.15.0-rc2-00142-g9978db750e31-dirty #11 9c53a778c1306b1b02359f3c2bbedc0222cba652\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1ubuntu1.1 04/01/2014\nRIP: 0010:regcache_cache_bypass drivers/base/regmap/regcache.c:540\nCode: 54 41 89 f4 55 53 48 89 fb 48 83 ec 08 e8 26 94 a8 fe 48 8d bb a0 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 \u003c80\u003e 3c 02 00 0f 85 4a 03 00 00 4c 8d ab b0 00 00 00 48 8b ab a0 00\nRSP: 0018:ffffc900010476b8 EFLAGS: 00010207\nRAX: dffffc0000000000 RBX: fffffffffffffff4 RCX: 0000000000000000\nRDX: 0000000000000012 RSI: ffff888002de0000 RDI: 0000000000000094\nRBP: ffff888013c9a000 R08: 0000000000000000 R09: fffffbfff3f9cc6a\nR10: ffffc900010476e8 R11: fffffbfff3f9cc69 R12: 0000000000000001\nR13: 000000000000000a R14: ffff888013c9af54 R15: ffff888013c9ad08\nFS:  00007ffa984ab580(0000) GS:ffff88801fe00000(0000) knlGS:0000000000000000\nCS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 000055a6384136c8 CR3: 000000003bbe6003 CR4: 0000000000770ef0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nPKRU: 55555554\nCall Trace:\n encx24j600_spi_probe drivers/net/ethernet/microchip/encx24j600.c:459\n spi_probe drivers/spi/spi.c:397\n really_probe drivers/base/dd.c:517\n __driver_probe_device drivers/base/dd.c:751\n driver_probe_device drivers/base/dd.c:782\n __device_attach_driver drivers/base/dd.c:899\n bus_for_each_drv drivers/base/bus.c:427\n __device_attach drivers/base/dd.c:971\n bus_probe_device drivers/base/bus.c:487\n device_add drivers/base/core.c:3364\n __spi_add_device drivers/spi/spi.c:599\n spi_add_device drivers/spi/spi.c:641\n spi_new_device drivers/spi/spi.c:717\n new_device_store+0x18c/0x1f1 [spi_stub 4e02719357f1ff33f5a43d00630982840568e85e]\n dev_attr_store drivers/base/core.c:2074\n sysfs_kf_write fs/sysfs/file.c:139\n kernfs_fop_write_iter fs/kernfs/file.c:300\n new_sync_write fs/read_write.c:508 (discriminator 4)\n vfs_write fs/read_write.c:594\n ksys_write fs/read_write.c:648\n do_syscall_64 arch/x86/entry/common.c:50\n entry_SYSCALL_64_after_hwframe arch/x86/entry/entry_64.S:113\n\nAdd error check in devm_regmap_init_encx24j600 to avoid this situation."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-05-04T07:10:55.595Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/66358471fa75a713fd76bc8a4bd74cb14cd50a4f"
        },
        {
          "url": "https://git.kernel.org/stable/c/f043fac1133a6c5ef960a8422c0f6dd711dee462"
        },
        {
          "url": "https://git.kernel.org/stable/c/fddc7f678d7fb93caa0d7bc512f968ff1e2bddbc"
        },
        {
          "url": "https://git.kernel.org/stable/c/5e5494e6fc8a29c927e0478bec4a078a40da8901"
        },
        {
          "url": "https://git.kernel.org/stable/c/4c2eb80fc90b05559ce6ed1b8dfb2348420b5644"
        },
        {
          "url": "https://git.kernel.org/stable/c/e19c10d6e07c59c96e90fe053a72683ad8b0397e"
        },
        {
          "url": "https://git.kernel.org/stable/c/322c0e53496309e634d9db7349678eaad1d25b55"
        },
        {
          "url": "https://git.kernel.org/stable/c/f03dca0c9e2297c84a018e306f8a9cd534ee4287"
        }
      ],
      "title": "net: encx24j600: check error in devm_regmap_init_encx24j600",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2021-47440",
    "datePublished": "2024-05-22T06:19:34.890Z",
    "dateReserved": "2024-05-21T14:58:30.831Z",
    "dateUpdated": "2025-05-04T07:10:55.595Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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:2025-00786

CVE-2021-47440 (GCVE-0-2021-47440)

Tags

Sightings

Nomenclature