Vulnerability-Lookup

BDU:2025-07346 (CVE-2021-47308)

Vulnerability from fstec – Published: 2025-06-23 – Updated: 2025-06-25 – View on bdu.fstec.ru Fixed

Title

Уязвимость функции fc_rport_prli_resp() модуля drivers/scsi/libfc/fc_rport.c - драйвера поддержки устройств SCSI ядра операционной системы Linux, позволяющая нарушителю оказать воздействие на конфиденциальность и доступность защищаемой информации

Summary

Уязвимость функции fc_rport_prli_resp() модуля drivers/scsi/libfc/fc_rport.c - драйвера поддержки устройств SCSI ядра операционной системы Linux связана с чтением за границами буфера. Эксплуатация уязвимости может позволить нарушителю, действующему удаленно, оказать воздействие на конфиденциальность и доступность защищаемой информации

Severity

6.4 (Medium) CVSS 2.0


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

6.5 (Medium) CVSS 3.1


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

Class

Code vulnerability

Status

Confirmed by the vendor

Exploitation

Data structure manipulation

Incidents

Being clarified

Remediation

Software update

CWE

CWE-125 - Чтение за границами буфера

Aliases

CVE-2021-47308

References

15 references

URL
https://www.cve.org/CVERecord?id=CVE-2021-47308
https://git.kernel.org/stable/c/44651522941c623e20882b3b443f23f77de1ea8b
https://git.kernel.org/stable/c/4921b1618045ffab71b1050bf0014df3313a2289
https://git.kernel.org/stable/c/0fe70c15f9435bb3c50954778245d62ee38b0e03
https://git.kernel.org/stable/c/a4a54c54af2516caa9c145015844543cfc84316a
https://git.kernel.org/stable/c/8511293e643a18b248510ae5734e4f360754348c
https://git.kernel.org/stable/c/b27c4577557045f1ab3cdfeabfc7f3cd24aca1fe
https://lore.kernel.org/linux-cve-announce/2024052128-CVE-2021-47308-e3d8@gregkh/
https://git.kernel.org/linus/b27c4577557045f1ab3cdfeabfc7f3cd24aca1fe
https://git.linuxtesting.ru/pub/scm/linux/kernel/git/lvc/linux-stable.git/commi…
https://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.241
https://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.199
https://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.135
https://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.53
https://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.5

Impacted products

1 product from 1 vendor

Vendors

Сообщество свободного программного обеспечения

Products

Linux

Versions

от 5.11 до 5.13.4 включительно (Linux), от 4.15 до 4.19.198 включительно (Linux), от 4.20 до 5.4.134 включительно (Linux), от 5.5 до 5.10.52 включительно (Linux), от 2.6.12 до 4.14.240 включительно (Linux)

Product types

Operating system

Platforms

Сообщество свободного программного обеспечения Linux от 5.11 до 5.13.4 включительно, Сообщество свободного программного обеспечения Linux от 4.15 до 4.19.198 включительно, Сообщество свободного программного обеспечения Linux от 4.20 до 5.4.134 включительно, Сообщество свободного программного обеспечения Linux от 5.5 до 5.10.52 включительно, Сообщество свободного программного обеспечения Linux от 2.6.12 до 4.14.240 включительно

Mitigations

В условиях отсутствия обновлений безопасности от производителя рекомендуется придерживаться "Рекомендаций по безопасной настройке операционных систем LINUX", изложенных в методическом документе ФСТЭК России, утверждённом 25 декабря 2022 года. Использование рекомендаций: Для Linux: https://git.kernel.org/stable/c/44651522941c623e20882b3b443f23f77de1ea8b https://git.kernel.org/stable/c/4921b1618045ffab71b1050bf0014df3313a2289 https://git.kernel.org/stable/c/0fe70c15f9435bb3c50954778245d62ee38b0e03 https://git.kernel.org/stable/c/a4a54c54af2516caa9c145015844543cfc84316a https://git.kernel.org/stable/c/8511293e643a18b248510ae5734e4f360754348c https://git.kernel.org/stable/c/b27c4577557045f1ab3cdfeabfc7f3cd24aca1fe https://lore.kernel.org/linux-cve-announce/2024052128-CVE-2021-47308-e3d8@gregkh/ https://git.kernel.org/linus/b27c4577557045f1ab3cdfeabfc7f3cd24aca1fe https://git.linuxtesting.ru/pub/scm/linux/kernel/git/lvc/linux-stable.git/commit/?h=v5.10.176-lvc1&id=a4a54c54af2516caa9c145015844543cfc84316a https://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.241 https://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.199 https://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.135 https://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.53 https://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.5

JSON

To clipboard

{
  "CVSS 2.0": "AV:N/AC:L/Au:N/C:P/I:N/A:P",
  "CVSS 3.0": "AV:N/AC:L/PR:N/UI:N/S:U/C:L/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",
  "\u0412\u0435\u0440\u0441\u0438\u044f \u041f\u041e": "\u043e\u0442 5.11 \u0434\u043e 5.13.4 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e (Linux), \u043e\u0442 4.15 \u0434\u043e 4.19.198 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e (Linux), \u043e\u0442 4.20 \u0434\u043e 5.4.134 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e (Linux), \u043e\u0442 5.5 \u0434\u043e 5.10.52 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e (Linux), \u043e\u0442 2.6.12 \u0434\u043e 4.14.240 \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\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/stable/c/44651522941c623e20882b3b443f23f77de1ea8b\nhttps://git.kernel.org/stable/c/4921b1618045ffab71b1050bf0014df3313a2289\nhttps://git.kernel.org/stable/c/0fe70c15f9435bb3c50954778245d62ee38b0e03\nhttps://git.kernel.org/stable/c/a4a54c54af2516caa9c145015844543cfc84316a\nhttps://git.kernel.org/stable/c/8511293e643a18b248510ae5734e4f360754348c\nhttps://git.kernel.org/stable/c/b27c4577557045f1ab3cdfeabfc7f3cd24aca1fe\nhttps://lore.kernel.org/linux-cve-announce/2024052128-CVE-2021-47308-e3d8@gregkh/\nhttps://git.kernel.org/linus/b27c4577557045f1ab3cdfeabfc7f3cd24aca1fe\nhttps://git.linuxtesting.ru/pub/scm/linux/kernel/git/lvc/linux-stable.git/commit/?h=v5.10.176-lvc1\u0026id=a4a54c54af2516caa9c145015844543cfc84316a\nhttps://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.241\nhttps://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.199\nhttps://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.135\nhttps://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.53\nhttps://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.5",
  "\u0414\u0430\u0442\u0430 \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0438\u044f": "28.06.2021",
  "\u0414\u0430\u0442\u0430 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0435\u0433\u043e \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f": "25.06.2025",
  "\u0414\u0430\u0442\u0430 \u043f\u0443\u0431\u043b\u0438\u043a\u0430\u0446\u0438\u0438": "23.06.2025",
  "\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440": "BDU:2025-07346",
  "\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-2021-47308",
  "\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 5.11 \u0434\u043e 5.13.4 \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 4.19.198 \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 5.4.134 \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 5.10.52 \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 4.14.240 \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 fc_rport_prli_resp() \u043c\u043e\u0434\u0443\u043b\u044f drivers/scsi/libfc/fc_rport.c - \u0434\u0440\u0430\u0439\u0432\u0435\u0440\u0430 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0438 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432 SCSI \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 \u043e\u043a\u0430\u0437\u0430\u0442\u044c \u0432\u043e\u0437\u0434\u0435\u0439\u0441\u0442\u0432\u0438\u0435 \u043d\u0430 \u043a\u043e\u043d\u0444\u0438\u0434\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u043e\u0441\u0442\u044c \u0438 \u0434\u043e\u0441\u0442\u0443\u043f\u043d\u043e\u0441\u0442\u044c \u0437\u0430\u0449\u0438\u0449\u0430\u0435\u043c\u043e\u0439 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\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": "\u0427\u0442\u0435\u043d\u0438\u0435 \u0437\u0430 \u0433\u0440\u0430\u043d\u0438\u0446\u0430\u043c\u0438 \u0431\u0443\u0444\u0435\u0440\u0430 (CWE-125)",
  "\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 fc_rport_prli_resp() \u043c\u043e\u0434\u0443\u043b\u044f drivers/scsi/libfc/fc_rport.c - \u0434\u0440\u0430\u0439\u0432\u0435\u0440\u0430 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0438 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432 SCSI \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 \u0447\u0442\u0435\u043d\u0438\u0435\u043c \u0437\u0430 \u0433\u0440\u0430\u043d\u0438\u0446\u0430\u043c\u0438 \u0431\u0443\u0444\u0435\u0440\u0430. \u042d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u043c\u043e\u0436\u0435\u0442 \u043f\u043e\u0437\u0432\u043e\u043b\u0438\u0442\u044c \u043d\u0430\u0440\u0443\u0448\u0438\u0442\u0435\u043b\u044e, \u0434\u0435\u0439\u0441\u0442\u0432\u0443\u044e\u0449\u0435\u043c\u0443 \u0443\u0434\u0430\u043b\u0435\u043d\u043d\u043e, \u043e\u043a\u0430\u0437\u0430\u0442\u044c \u0432\u043e\u0437\u0434\u0435\u0439\u0441\u0442\u0432\u0438\u0435 \u043d\u0430 \u043a\u043e\u043d\u0444\u0438\u0434\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u043e\u0441\u0442\u044c \u0438 \u0434\u043e\u0441\u0442\u0443\u043f\u043d\u043e\u0441\u0442\u044c \u0437\u0430\u0449\u0438\u0449\u0430\u0435\u043c\u043e\u0439 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\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://www.cve.org/CVERecord?id=CVE-2021-47308\nhttps://git.kernel.org/stable/c/44651522941c623e20882b3b443f23f77de1ea8b\nhttps://git.kernel.org/stable/c/4921b1618045ffab71b1050bf0014df3313a2289\nhttps://git.kernel.org/stable/c/0fe70c15f9435bb3c50954778245d62ee38b0e03\nhttps://git.kernel.org/stable/c/a4a54c54af2516caa9c145015844543cfc84316a\nhttps://git.kernel.org/stable/c/8511293e643a18b248510ae5734e4f360754348c\nhttps://git.kernel.org/stable/c/b27c4577557045f1ab3cdfeabfc7f3cd24aca1fe\nhttps://lore.kernel.org/linux-cve-announce/2024052128-CVE-2021-47308-e3d8@gregkh/\nhttps://git.kernel.org/linus/b27c4577557045f1ab3cdfeabfc7f3cd24aca1fe\nhttps://git.linuxtesting.ru/pub/scm/linux/kernel/git/lvc/linux-stable.git/commit/?h=v5.10.176-lvc1\u0026id=a4a54c54af2516caa9c145015844543cfc84316a\nhttps://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.241\nhttps://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.199\nhttps://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.135\nhttps://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.53\nhttps://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.5",
  "\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-125",
  "\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 6,4)\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 6,5)"
}

CVE-2021-47308 (GCVE-0-2021-47308)

Vulnerability from cvelistv5 – Published: 2024-05-21 14:35 – Updated: 2026-08-05 08:47

Title

scsi: libfc: Fix array index out of bound exception

Summary

In the Linux kernel, the following vulnerability has been resolved: scsi: libfc: Fix array index out of bound exception Fix array index out of bound exception in fc_rport_prli_resp().

Severity

8.8 (High)


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

6.5 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-05-21 18:45 UTC

CWE

CWE-125 - Out-of-bounds Read

Assigner

Linux mitre root

References

6 references

URL	Tags
https://git.kernel.org/stable/c/44651522941c623e2…
https://git.kernel.org/stable/c/4921b1618045ffab7…
https://git.kernel.org/stable/c/0fe70c15f9435bb3c…
https://git.kernel.org/stable/c/a4a54c54af2516caa…
https://git.kernel.org/stable/c/8511293e643a18b24…
https://git.kernel.org/stable/c/b27c4577557045f1a…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 386b97b43c0c9e0d878eec7ea1db16af22b036ae , < 44651522941c623e20882b3b443f23f77de1ea8b (git) Affected: 386b97b43c0c9e0d878eec7ea1db16af22b036ae , < 4921b1618045ffab71b1050bf0014df3313a2289 (git) Affected: 386b97b43c0c9e0d878eec7ea1db16af22b036ae , < 0fe70c15f9435bb3c50954778245d62ee38b0e03 (git) Affected: 386b97b43c0c9e0d878eec7ea1db16af22b036ae , < a4a54c54af2516caa9c145015844543cfc84316a (git) Affected: 386b97b43c0c9e0d878eec7ea1db16af22b036ae , < 8511293e643a18b248510ae5734e4f360754348c (git) Affected: 386b97b43c0c9e0d878eec7ea1db16af22b036ae , < b27c4577557045f1ab3cdfeabfc7f3cd24aca1fe (git)
Linux	Linux	Affected: 4.10 Unaffected: 0 , < 4.10 (semver) Unaffected: 4.14.241 , ≤ 4.14.* (semver) Unaffected: 4.19.199 , ≤ 4.19.* (semver) Unaffected: 5.4.135 , ≤ 5.4.* (semver) Unaffected: 5.10.53 , ≤ 5.10.* (semver) Unaffected: 5.13.5 , ≤ 5.13.* (semver) Unaffected: 5.14 , ≤ * (original_commit_for_fix)

Show details on NVD website

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{
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            "cvssV3_1": {
              "attackComplexity": "LOW",
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              "baseScore": 6.5,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "LOW",
              "integrityImpact": "NONE",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L",
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          },
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                "id": "CVE-2021-47308",
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        "providerMetadata": {
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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        "title": "CISA ADP Vulnrichment"
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        "providerMetadata": {
          "dateUpdated": "2024-08-04T05:32:08.437Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        "title": "CVE Program Container"
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    "cna": {
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          "product": "Linux",
          "programFiles": [
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                  "versionStartIncluding": "4.10",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "4.19.199",
                  "versionStartIncluding": "4.10",
                  "vulnerable": true
                },
                {
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                  "versionStartIncluding": "4.10",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                  "versionStartIncluding": "4.10",
                  "vulnerable": true
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                {
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                  "vulnerable": true
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              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: libfc: Fix array index out of bound exception\n\nFix array index out of bound exception in fc_rport_prli_resp()."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
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            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "scenarios": [
            {
              "lang": "en",
              "value": "AV:A - The bug is reached when processing a Fibre Channel PRLI LS_ACC from a peer on the same FC SAN fabric or FCoE (ETH_P_FCOE) L2 segment; that is adjacent-network topology, not Internet-routable IP.\nAC:L - After the initiator automatically PLOGIs/PRLIs a discovered port, the peer fully controls the PRLI ACC and can set spp_type to any u8 \u003e= FC_FC4_PROV_SIZE, reliably indexing past fc_passive_prov[] with no race or nondeterministic condition.\nPR:N - fc_exch_recv and the FCoE/HBA receive path accept fabric-peer frames with no OS credential or capability check; fabric zoning only constrains topology, not authenticated privileges on this code path.\nUI:N - Discovery-driven fc_rport_login automatically advances through PLOGI into PRLI against a presented target; no separate victim action such as mounting a volume or confirming a prompt is required.\nS:U - The out-of-bounds provider-table access and resulting indirect call corrupt host kernel control flow within the same OS security authority and do not cross a VM, IOMMU, or sandbox boundary.\nC:H - Attacker-chosen spp_type performs an unbounded (up to index 255) out-of-bounds read of adjacent kernel pointer/data (including into fc_active_prov and further module globals), which per guidance is High confidentiality impact and enables further disclosure primitives if the call is hijacked.\nI:H - The OOB-read value is used as a struct fc4_prov * and prov-\u003eprli() is invoked, yielding an attacker-influenced indirect call that enables control-flow hijacking and arbitrary code execution.\nA:H - Dereferencing or calling through a non-NULL OOB pointer that is not a valid fc4_prov causes a kernel oops/panic, which is High availability impact and can be retried on subsequent PRLI exchanges."
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-05T08:47:12.469Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/44651522941c623e20882b3b443f23f77de1ea8b"
        },
        {
          "url": "https://git.kernel.org/stable/c/4921b1618045ffab71b1050bf0014df3313a2289"
        },
        {
          "url": "https://git.kernel.org/stable/c/0fe70c15f9435bb3c50954778245d62ee38b0e03"
        },
        {
          "url": "https://git.kernel.org/stable/c/a4a54c54af2516caa9c145015844543cfc84316a"
        },
        {
          "url": "https://git.kernel.org/stable/c/8511293e643a18b248510ae5734e4f360754348c"
        },
        {
          "url": "https://git.kernel.org/stable/c/b27c4577557045f1ab3cdfeabfc7f3cd24aca1fe"
        }
      ],
      "title": "scsi: libfc: Fix array index out of bound exception",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2021-47308",
    "datePublished": "2024-05-21T14:35:27.319Z",
    "dateReserved": "2024-05-21T13:27:52.133Z",
    "dateUpdated": "2026-08-05T08:47:12.469Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

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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.

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:2025-07346 (CVE-2021-47308)

CVE-2021-47308 (GCVE-0-2021-47308)

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Sightings

Nomenclature

Related by attack behaviour