Vulnerability-Lookup

BDU:2024-00097 (CVE-2023-7192)

Vulnerability from fstec – Published: 2024-01-09 – Updated: 2024-11-07 – View on bdu.fstec.ru Fixed

Title

Уязвимость функции ctnetlink_create_conntrack() в модуле net/netfilter/nf_conntrack_netlink.c компонента netfilter ядра операционной системы Linux, позволяющая нарушителю с полномочиями CAP_NET_ADMIN вызвать отказ в обслуживании.

Summary

Уязвимость функции ctnetlink_create_conntrack() в модуле net/netfilter/nf_conntrack_netlink.c компонента netfilter ядра операционной системы Linux связана с утечкой памяти. Эксплуатация уязвимости может позволить нарушителю с полномочиями CAP_NET_ADMIN вызвать отказ в обслуживании.

Severity

4.3 (Medium) CVSS 2.0


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

4.4 (Medium) CVSS 3.0


                      
                        CVSS:3.0/AV:L/AC:L/PR:H/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-401 - Неправильное освобождение памяти перед удалением последней ссылки («утечка памяти»)
CWE-402 - Перевод частных ресурсов в новую область («Утечка ресурсов»)

Aliases

CVE-2023-7192

References

11 references

URL
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-7192
https://git.kernel.org/linus/ac4893980bbe79ce383daf9a0885666a30fe4c83
https://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.308
https://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.276
https://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.235
https://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.173
https://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.100
https://kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.18
https://kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.5
https://wiki.astralinux.ru/astra-linux-se47-bulletin-2024-0416SE47
https://wiki.astralinux.ru/astra-linux-se16-bulletin-20241017SE16

Impacted products

2 products from 2 vendors

Vendors

ООО «РусБИТех-Астра», Сообщество свободного программного обеспечения

Products

Astra Linux Special Edition (запись в едином реестре российских программ №369), Linux

Versions

1.6 «Смоленск» (Astra Linux Special Edition), 4.7 (Astra Linux Special Edition), от 5.5 до 5.10.172 включительно (Linux), от 4.15 до 4.19.275 включительно (Linux), от 4.20 до 5.4.234 включительно (Linux), от 4.0 до 4.14.307 включительно (Linux), от 5.11 до 5.15.99 включительно (Linux), от 5.16 до 6.1.17 включительно (Linux), от 6.2.0 до 6.2.4 включительно (Linux)

Product types

Operating system

Platforms

ООО «РусБИТех-Астра» Astra Linux Special Edition 1.6 «Смоленск» (запись в едином реестре российских программ №369), ООО «РусБИТех-Астра» Astra Linux Special Edition 4.7 ARM (запись в едином реестре российских программ №369), Сообщество свободного программного обеспечения Linux от 5.5 до 5.10.172 включительно, Сообщество свободного программного обеспечения Linux от 4.15 до 4.19.275 включительно, Сообщество свободного программного обеспечения Linux от 4.20 до 5.4.234 включительно, Сообщество свободного программного обеспечения Linux от 4.0 до 4.14.307 включительно, Сообщество свободного программного обеспечения Linux от 5.11 до 5.15.99 включительно, Сообщество свободного программного обеспечения Linux от 5.16 до 6.1.17 включительно, Сообщество свободного программного обеспечения Linux от 6.2.0 до 6.2.4 включительно

Mitigations

Использование рекомендаций: Для Linux: https://git.kernel.org/linus/ac4893980bbe79ce383daf9a0885666a30fe4c83 https://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.308 https://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.276 https://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.235 https://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.173 https://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.100 https://kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.18 https://kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.5 Для Astra Linux Special Edition 4.7: - обновить пакет linux до 5.4.0-162.astra1+ci8 или более высокой версии, используя рекомендации производителя: https://wiki.astralinux.ru/astra-linux-se47-bulletin-2024-0416SE47 - обновить пакет linux-5.10 до 5.10.176-1.astra1 или более высокой версии, используя рекомендации производителя: https://wiki.astralinux.ru/astra-linux-se47-bulletin-2024-0416SE47 - обновить пакет linux-5.15 до 5.15.0-83.astra1+ci16 или более высокой версии, используя рекомендации производителя: https://wiki.astralinux.ru/astra-linux-se47-bulletin-2024-0416SE47 Для Astra Linux Special Edition 1.6 «Смоленск»:: - обновить пакет linux до 5.4.0-162.astra1+ci21 или более высокой версии, используя рекомендации производителя: https://wiki.astralinux.ru/astra-linux-se16-bulletin-20241017SE16 - обновить пакет linux-5.10 до 5.10.190-1.astra1+ci17 или более высокой версии, используя рекомендации производителя: https://wiki.astralinux.ru/astra-linux-se16-bulletin-20241017SE16 - обновить пакет linux-5.15 до 5.15.0-83.astra1+ci36 или более высокой версии, используя рекомендации производителя: https://wiki.astralinux.ru/astra-linux-se16-bulletin-20241017SE16

JSON

To clipboard

{
  "CVSS 2.0": "AV:L/AC:L/Au:M/C:N/I:N/A:C",
  "CVSS 3.0": "AV:L/AC:L/PR:H/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": "\u041e\u041e\u041e \u00ab\u0420\u0443\u0441\u0411\u0418\u0422\u0435\u0445-\u0410\u0441\u0442\u0440\u0430\u00bb, \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": "1.6 \u00ab\u0421\u043c\u043e\u043b\u0435\u043d\u0441\u043a\u00bb (Astra Linux Special Edition), 4.7 (Astra Linux Special Edition), \u043e\u0442 5.5 \u0434\u043e 5.10.172 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e (Linux), \u043e\u0442 4.15 \u0434\u043e 4.19.275 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e (Linux), \u043e\u0442 4.20 \u0434\u043e 5.4.234 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e (Linux), \u043e\u0442 4.0 \u0434\u043e 4.14.307 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e (Linux), \u043e\u0442 5.11 \u0434\u043e 5.15.99 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e (Linux), \u043e\u0442 5.16 \u0434\u043e 6.1.17 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e (Linux), \u043e\u0442 6.2.0 \u0434\u043e 6.2.4 \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": "\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/linus/ac4893980bbe79ce383daf9a0885666a30fe4c83\nhttps://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.308\nhttps://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.276\nhttps://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.235\nhttps://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.173\nhttps://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.100\nhttps://kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.18\nhttps://kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.5\n\n\u0414\u043b\u044f Astra Linux Special Edition 4.7:\n- \u043e\u0431\u043d\u043e\u0432\u0438\u0442\u044c \u043f\u0430\u043a\u0435\u0442 linux \u0434\u043e 5.4.0-162.astra1+ci8 \u0438\u043b\u0438 \u0431\u043e\u043b\u0435\u0435 \u0432\u044b\u0441\u043e\u043a\u043e\u0439 \u0432\u0435\u0440\u0441\u0438\u0438, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044f \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0430\u0446\u0438\u0438 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044f: https://wiki.astralinux.ru/astra-linux-se47-bulletin-2024-0416SE47\n- \u043e\u0431\u043d\u043e\u0432\u0438\u0442\u044c \u043f\u0430\u043a\u0435\u0442 linux-5.10 \u0434\u043e 5.10.176-1.astra1 \u0438\u043b\u0438 \u0431\u043e\u043b\u0435\u0435 \u0432\u044b\u0441\u043e\u043a\u043e\u0439 \u0432\u0435\u0440\u0441\u0438\u0438, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044f \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0430\u0446\u0438\u0438 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044f: https://wiki.astralinux.ru/astra-linux-se47-bulletin-2024-0416SE47\n- \u043e\u0431\u043d\u043e\u0432\u0438\u0442\u044c \u043f\u0430\u043a\u0435\u0442 linux-5.15 \u0434\u043e 5.15.0-83.astra1+ci16 \u0438\u043b\u0438 \u0431\u043e\u043b\u0435\u0435 \u0432\u044b\u0441\u043e\u043a\u043e\u0439 \u0432\u0435\u0440\u0441\u0438\u0438, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044f \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0430\u0446\u0438\u0438 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044f: https://wiki.astralinux.ru/astra-linux-se47-bulletin-2024-0416SE47\n\n\u0414\u043b\u044f Astra Linux Special Edition 1.6 \u00ab\u0421\u043c\u043e\u043b\u0435\u043d\u0441\u043a\u00bb::\n- \u043e\u0431\u043d\u043e\u0432\u0438\u0442\u044c \u043f\u0430\u043a\u0435\u0442 linux \u0434\u043e 5.4.0-162.astra1+ci21 \u0438\u043b\u0438 \u0431\u043e\u043b\u0435\u0435 \u0432\u044b\u0441\u043e\u043a\u043e\u0439 \u0432\u0435\u0440\u0441\u0438\u0438, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044f \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0430\u0446\u0438\u0438 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044f: https://wiki.astralinux.ru/astra-linux-se16-bulletin-20241017SE16\n- \u043e\u0431\u043d\u043e\u0432\u0438\u0442\u044c \u043f\u0430\u043a\u0435\u0442 linux-5.10 \u0434\u043e 5.10.190-1.astra1+ci17 \u0438\u043b\u0438 \u0431\u043e\u043b\u0435\u0435 \u0432\u044b\u0441\u043e\u043a\u043e\u0439 \u0432\u0435\u0440\u0441\u0438\u0438, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044f \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0430\u0446\u0438\u0438 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044f: https://wiki.astralinux.ru/astra-linux-se16-bulletin-20241017SE16\n- \u043e\u0431\u043d\u043e\u0432\u0438\u0442\u044c \u043f\u0430\u043a\u0435\u0442 linux-5.15 \u0434\u043e 5.15.0-83.astra1+ci36 \u0438\u043b\u0438 \u0431\u043e\u043b\u0435\u0435 \u0432\u044b\u0441\u043e\u043a\u043e\u0439 \u0432\u0435\u0440\u0441\u0438\u0438, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044f \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0430\u0446\u0438\u0438 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044f: https://wiki.astralinux.ru/astra-linux-se16-bulletin-20241017SE16",
  "\u0414\u0430\u0442\u0430 \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0438\u044f": "22.02.2023",
  "\u0414\u0430\u0442\u0430 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0435\u0433\u043e \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f": "07.11.2024",
  "\u0414\u0430\u0442\u0430 \u043f\u0443\u0431\u043b\u0438\u043a\u0430\u0446\u0438\u0438": "09.01.2024",
  "\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440": "BDU:2024-00097",
  "\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-2023-7192",
  "\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": "Astra Linux Special Edition (\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 \u2116369), 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": "\u041e\u041e\u041e \u00ab\u0420\u0443\u0441\u0411\u0418\u0422\u0435\u0445-\u0410\u0441\u0442\u0440\u0430\u00bb Astra Linux Special Edition 1.6 \u00ab\u0421\u043c\u043e\u043b\u0435\u043d\u0441\u043a\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 \u2116369), \u041e\u041e\u041e \u00ab\u0420\u0443\u0441\u0411\u0418\u0422\u0435\u0445-\u0410\u0441\u0442\u0440\u0430\u00bb Astra Linux Special Edition 4.7 ARM (\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 \u2116369), \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 5.10.172 \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 4.19.275 \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 4.20 \u0434\u043e 5.4.234 \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 4.0 \u0434\u043e 4.14.307 \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 5.15.99 \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 6.1.17 \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 6.2.0 \u0434\u043e 6.2.4 \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 ctnetlink_create_conntrack() \u0432 \u043c\u043e\u0434\u0443\u043b\u0435 net/netfilter/nf_conntrack_netlink.c \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u0430 netfilter \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 \u0441 \u043f\u043e\u043b\u043d\u043e\u043c\u043e\u0447\u0438\u044f\u043c\u0438 CAP_NET_ADMIN \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": "\u041d\u0435\u043f\u0440\u0430\u0432\u0438\u043b\u044c\u043d\u043e\u0435 \u043e\u0441\u0432\u043e\u0431\u043e\u0436\u0434\u0435\u043d\u0438\u0435 \u043f\u0430\u043c\u044f\u0442\u0438 \u043f\u0435\u0440\u0435\u0434 \u0443\u0434\u0430\u043b\u0435\u043d\u0438\u0435\u043c \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0435\u0439 \u0441\u0441\u044b\u043b\u043a\u0438 (\u00ab\u0443\u0442\u0435\u0447\u043a\u0430 \u043f\u0430\u043c\u044f\u0442\u0438\u00bb) (CWE-401), \u041f\u0435\u0440\u0435\u0432\u043e\u0434 \u0447\u0430\u0441\u0442\u043d\u044b\u0445 \u0440\u0435\u0441\u0443\u0440\u0441\u043e\u0432 \u0432 \u043d\u043e\u0432\u0443\u044e \u043e\u0431\u043b\u0430\u0441\u0442\u044c (\u00ab\u0423\u0442\u0435\u0447\u043a\u0430 \u0440\u0435\u0441\u0443\u0440\u0441\u043e\u0432\u00bb) (CWE-402)",
  "\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 ctnetlink_create_conntrack() \u0432 \u043c\u043e\u0434\u0443\u043b\u0435 net/netfilter/nf_conntrack_netlink.c \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u0430 netfilter \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 \u0443\u0442\u0435\u0447\u043a\u043e\u0439 \u043f\u0430\u043c\u044f\u0442\u0438. \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 \u0441 \u043f\u043e\u043b\u043d\u043e\u043c\u043e\u0447\u0438\u044f\u043c\u0438 CAP_NET_ADMIN \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://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-7192\nhttps://git.kernel.org/linus/ac4893980bbe79ce383daf9a0885666a30fe4c83\nhttps://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.308\nhttps://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.276\nhttps://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.235\nhttps://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.173\nhttps://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.100\nhttps://kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.18\nhttps://kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.5\nhttps://wiki.astralinux.ru/astra-linux-se47-bulletin-2024-0416SE47\nhttps://wiki.astralinux.ru/astra-linux-se16-bulletin-20241017SE16",
  "\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-401, CWE-402",
  "\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 4,3)\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 3.0 \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 4,4)"
}

CVE-2023-7192 (GCVE-0-2023-7192)

Vulnerability from cvelistv5 – Published: 2024-01-02 19:02 – Updated: 2025-11-20 18:07

Title

Kernel: refcount leak in ctnetlink_create_conntrack()

Summary

A memory leak problem was found in ctnetlink_create_conntrack in net/netfilter/nf_conntrack_netlink.c in the Linux Kernel. This issue may allow a local attacker with CAP_NET_ADMIN privileges to cause a denial of service (DoS) attack due to a refcount overflow.

Severity

5.5 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-01-16 19:33 UTC

CWE

CWE-401 - Missing Release of Memory after Effective Lifetime

Assigner

redhat redhat root

References

13 references

URL	Tags
https://access.redhat.com/errata/RHSA-2024:0723	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:0725	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:1188	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:1250	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:1306	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:1367	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:1382	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:1404	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:2006	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:2008	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2023-7192	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2256279	issue-trackingx_refsource_REDHAT
https://git.kernel.org/pub/scm/linux/kernel/git/n…

Impacted products

19 products

Vendor	Product	Version
Red Hat	Red Hat Enterprise Linux 8.2 Advanced Update Support	Unaffected: 0:4.18.0-193.133.1.el8_2 , < * (rpm) cpe:/o:redhat:rhel_tus:8.2::baseos cpe:/o:redhat:rhel_e4s:8.2::baseos cpe:/o:redhat:rhel_aus:8.2::baseos
Red Hat	Red Hat Enterprise Linux 8.2 Telecommunications Update Service	Unaffected: 0:4.18.0-193.133.1.rt13.184.el8_2 , < * (rpm) cpe:/a:redhat:rhel_tus:8.2::realtime cpe:/a:redhat:rhel_tus:8.2::nfv
Red Hat	Red Hat Enterprise Linux 8.2 Telecommunications Update Service	Unaffected: 0:4.18.0-193.133.1.el8_2 , < * (rpm) cpe:/o:redhat:rhel_tus:8.2::baseos cpe:/o:redhat:rhel_e4s:8.2::baseos cpe:/o:redhat:rhel_aus:8.2::baseos
Red Hat	Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions	Unaffected: 0:4.18.0-193.133.1.el8_2 , < * (rpm) cpe:/o:redhat:rhel_tus:8.2::baseos cpe:/o:redhat:rhel_e4s:8.2::baseos cpe:/o:redhat:rhel_aus:8.2::baseos
Red Hat	Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support	Unaffected: 0:4.18.0-305.125.1.el8_4 , < * (rpm) cpe:/o:redhat:rhel_e4s:8.4::baseos cpe:/o:redhat:rhel_tus:8.4::baseos cpe:/o:redhat:rhel_aus:8.4::baseos
Red Hat	Red Hat Enterprise Linux 8.4 Telecommunications Update Service	Unaffected: 0:4.18.0-305.125.1.rt7.201.el8_4 , < * (rpm) cpe:/a:redhat:rhel_tus:8.4::nfv cpe:/a:redhat:rhel_tus:8.4::realtime
Red Hat	Red Hat Enterprise Linux 8.4 Telecommunications Update Service	Unaffected: 0:4.18.0-305.125.1.el8_4 , < * (rpm) cpe:/o:redhat:rhel_e4s:8.4::baseos cpe:/o:redhat:rhel_tus:8.4::baseos cpe:/o:redhat:rhel_aus:8.4::baseos
Red Hat	Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions	Unaffected: 0:4.18.0-305.125.1.el8_4 , < * (rpm) cpe:/o:redhat:rhel_e4s:8.4::baseos cpe:/o:redhat:rhel_tus:8.4::baseos cpe:/o:redhat:rhel_aus:8.4::baseos
Red Hat	Red Hat Enterprise Linux 8.6 Extended Update Support	Unaffected: 0:4.18.0-372.95.1.el8_6 , < * (rpm) cpe:/o:redhat:rhel_eus:8.6::baseos cpe:/a:redhat:rhel_eus:8.6::crb cpe:/o:redhat:rhev_hypervisor:4.4::el8
Red Hat	Red Hat Enterprise Linux 8.8 Extended Update Support	Unaffected: 0:4.18.0-477.51.1.el8_8 , < * (rpm) cpe:/o:redhat:rhel_eus:8.8::baseos cpe:/a:redhat:rhel_eus:8.8::crb
Red Hat	Red Hat Enterprise Linux 9.0 Extended Update Support	Unaffected: 0:5.14.0-70.93.2.el9_0 , < * (rpm) cpe:/a:redhat:rhel_eus:9.0::appstream cpe:/a:redhat:rhel_eus:9.0::crb cpe:/o:redhat:rhel_eus:9.0::baseos
Red Hat	Red Hat Enterprise Linux 9.0 Extended Update Support	Unaffected: 0:5.14.0-70.93.1.rt21.165.el9_0 , < * (rpm) cpe:/a:redhat:rhel_eus:9.0::nfv cpe:/a:redhat:rhel_eus:9.0::realtime
Red Hat	Red Hat Enterprise Linux 9.2 Extended Update Support	Unaffected: 0:5.14.0-284.52.1.el9_2 , < * (rpm) cpe:/a:redhat:rhel_eus:9.2::crb cpe:/a:redhat:rhel_eus:9.2::appstream cpe:/o:redhat:rhel_eus:9.2::baseos
Red Hat	Red Hat Enterprise Linux 9.2 Extended Update Support	Unaffected: 0:5.14.0-284.52.1.rt14.337.el9_2 , < * (rpm) cpe:/a:redhat:rhel_eus:9.2::nfv cpe:/a:redhat:rhel_eus:9.2::realtime
Red Hat	Red Hat Virtualization 4 for Red Hat Enterprise Linux 8	Unaffected: 0:4.18.0-372.95.1.el8_6 , < * (rpm) cpe:/o:redhat:rhel_eus:8.6::baseos cpe:/a:redhat:rhel_eus:8.6::crb cpe:/o:redhat:rhev_hypervisor:4.4::el8
Red Hat	Red Hat Enterprise Linux 6	cpe:/o:redhat:enterprise_linux:6
Red Hat	Red Hat Enterprise Linux 7	cpe:/o:redhat:enterprise_linux:7
Red Hat	Red Hat Enterprise Linux 8	cpe:/o:redhat:enterprise_linux:8
Red Hat	Red Hat Enterprise Linux 9	cpe:/o:redhat:enterprise_linux:9

Date Public

2023-02-10 00:00

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          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2024:1250"
        },
        {
          "name": "RHSA-2024:1306",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2024:1306"
        },
        {
          "name": "RHSA-2024:1367",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2024:1367"
        },
        {
          "name": "RHSA-2024:1382",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2024:1382"
        },
        {
          "name": "RHSA-2024:1404",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2024:1404"
        },
        {
          "name": "RHSA-2024:2006",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2024:2006"
        },
        {
          "name": "RHSA-2024:2008",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2024:2008"
        },
        {
          "tags": [
            "vdb-entry",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/security/cve/CVE-2023-7192"
        },
        {
          "name": "RHBZ#2256279",
          "tags": [
            "issue-tracking",
            "x_refsource_REDHAT"
          ],
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2256279"
        },
        {
          "url": "https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=ac4893980bbe79ce383daf9a0885666a30fe4c83"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2023-09-13T00:00:00.000Z",
          "value": "Reported to Red Hat."
        },
        {
          "lang": "en",
          "time": "2023-02-10T00:00:00.000Z",
          "value": "Made public."
        }
      ],
      "title": "Kernel: refcount leak in ctnetlink_create_conntrack()",
      "workarounds": [
        {
          "lang": "en",
          "value": "Triggering this issue requires the ability to create user/net namespaces.\n\nOn non-containerized deployments of Red Hat Enterprise Linux 8, you can disable user namespaces by setting user.max_user_namespaces to 0:\n\n# echo \"user.max_user_namespaces=0\" \u003e /etc/sysctl.d/userns.conf\n# sysctl -p /etc/sysctl.d/userns.conf\n\nOn containerized deployments, such as Red Hat OpenShift Container Platform, do not use this mitigation as the functionality is needed to be enabled.\n\nAlternatively, skip loading the affected netfilter module (i.e., nf_conntrack_netlink) onto the system until we have a fix available. This can be done by a blacklist mechanism which will ensure the driver is not loaded at boot time.\n~~~\nHow do I blacklist a kernel module to prevent it from loading automatically?\nhttps://access.redhat.com/solutions/41278 \n~~~"
        }
      ],
      "x_redhatCweChain": "CWE-401: Missing Release of Memory after Effective Lifetime"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2023-7192",
    "datePublished": "2024-01-02T19:02:45.371Z",
    "dateReserved": "2023-12-30T18:12:05.167Z",
    "dateUpdated": "2025-11-20T18:07:32.157Z",
    "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.

Action not permitted

BDU:2024-00097 (CVE-2023-7192)

CVE-2023-7192 (GCVE-0-2023-7192)

Tags

Sightings

Nomenclature

Related by attack behaviour