Vulnerability-Lookup

BDU:2026-06025 (CVE-2023-53369)

Vulnerability from fstec – Published: 2026-04-29 – Updated: 2026-04-29 – View on bdu.fstec.ru Fixed

Title

Уязвимость функции DCB_ATTR_BCN() ядра операционных систем Linux, позволяющая нарушителю оказать воздействие на доступность защищаемой информации

Summary

Уязвимость функции DCB_ATTR_BCN() ядра операционных систем Linux связана с чтением за пределами допустимого диапазона в памяти. Эксплуатация уязвимости может позволить нарушителю оказать воздействие на доступность защищаемой информации

Severity

4.6 (Medium) CVSS 2.0


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

5.5 (Medium) CVSS 3.1


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

Class

Code vulnerability

Status

Confirmed by the vendor

Exploitation

Data structure manipulation

Incidents

Being clarified

Remediation

Software update

CWE

CWE-125 - Чтение за границами буфера

Aliases

CVE-2023-53369

References

10 references

URL
https://lore.kernel.org/linux-cve-announce/2025091854-CVE-2023-53369-394e@gregkh/
https://git.kernel.org/stable/c/5b3dbedb8d4a0f9f7ce904d76b885438af2a21f9
https://git.kernel.org/stable/c/8e309f43d0ca4051d20736c06a6f84bbddd881da
https://git.kernel.org/stable/c/a0da2684db18dead3bcee12fb185e596e3d63c2b
https://git.kernel.org/stable/c/ecff20e193207b44fdbfe64d7de89890f0a7fe6c
https://git.kernel.org/stable/c/199fde04bd875d28b3a5ca525eaaa004eec6e947
https://git.kernel.org/stable/c/31d49ba033095f6e8158c60f69714a500922e0c3
https://access.redhat.com/security/cve/cve-2023-53369
https://ubuntu.com/security/CVE-2023-53369
https://security-tracker.debian.org/tracker/CVE-2023-53369

Impacted products

5 products from 5 vendors

Vendors

Red Hat, Inc., Canonical Ltd., Сообщество свободного программного обеспечения, АО «СберТех»

Products

Red Hat Enterprise Linux, Ubuntu, Debian GNU/Linux, Linux, Platform V SberLinux OS Server (запись в едином реестре российских программ №18785)

Versions

7 (Red Hat Enterprise Linux), 16.04 LTS (Ubuntu), 18.04 LTS (Ubuntu), 8 (Red Hat Enterprise Linux), 20.04 LTS (Ubuntu), 11 (Debian GNU/Linux), 12 (Debian GNU/Linux), 22.04 LTS (Ubuntu), 9 (Red Hat Enterprise Linux), до 6.5 (Linux), от 6.4 до 6.4.10 (Linux), до 9.2.0-fstec (Platform V SberLinux OS Server), от 5.4 до 5.4.253 (Linux), от 5.10 до 5.10.190 (Linux), от 5.15 до 5.15.126 (Linux), от 6.1 до 6.1.45 (Linux)

Product types

Operating system

Platforms

Red Hat, Inc. Red Hat Enterprise Linux 7, Canonical Ltd. Ubuntu 16.04 LTS, Canonical Ltd. Ubuntu 18.04 LTS, Inc. Red Hat Enterprise Linux 8, Canonical Ltd. Ubuntu 20.04 LTS, Сообщество свободного программного обеспечения Debian GNU/Linux 11, Сообщество свободного программного обеспечения Debian GNU/Linux 12, Canonical Ltd. Ubuntu 22.04 LTS, Inc. Red Hat Enterprise Linux 9, Сообщество свободного программного обеспечения Linux до 6.5, Сообщество свободного программного обеспечения Linux от 6.4 до 6.4.10, АО «СберТех» Platform V SberLinux OS Server до 9.2.0-fstec (запись в едином реестре российских программ №18785), Сообщество свободного программного обеспечения Linux от 5.4 до 5.4.253, Сообщество свободного программного обеспечения Linux от 5.10 до 5.10.190, Сообщество свободного программного обеспечения Linux от 5.15 до 5.15.126, Сообщество свободного программного обеспечения Linux от 6.1 до 6.1.45

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 Platform V SberLinux OS Server: Обновление операционной системы до версии 9.2.0-fstec или выше Для Linux: https://lore.kernel.org/linux-cve-announce/2025091854-CVE-2023-53369-394e@gregkh/ https://git.kernel.org/stable/c/5b3dbedb8d4a0f9f7ce904d76b885438af2a21f9 https://git.kernel.org/stable/c/8e309f43d0ca4051d20736c06a6f84bbddd881da https://git.kernel.org/stable/c/a0da2684db18dead3bcee12fb185e596e3d63c2b https://git.kernel.org/stable/c/ecff20e193207b44fdbfe64d7de89890f0a7fe6c https://git.kernel.org/stable/c/199fde04bd875d28b3a5ca525eaaa004eec6e947 https://git.kernel.org/stable/c/31d49ba033095f6e8158c60f69714a500922e0c3 Для Debian GNU/Linux: https://security-tracker.debian.org/tracker/CVE-2023-53369 Для программных продуктов Red Hat Inc.: https://access.redhat.com/security/cve/cve-2023-53369 Для Ubuntu: https://ubuntu.com/security/CVE-2023-53369

JSON

To clipboard

{
  "CVSS 2.0": "AV:L/AC:L/Au:S/C:N/I:N/A:C",
  "CVSS 3.0": "AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
  "CVSS 4.0": null,
  "remediation_\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440": null,
  "remediation_\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435": null,
  "\u0412\u0435\u043d\u0434\u043e\u0440 \u041f\u041e": "Red Hat, Inc., Canonical Ltd., \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, \u0410\u041e \u00ab\u0421\u0431\u0435\u0440\u0422\u0435\u0445\u00bb",
  "\u0412\u0435\u0440\u0441\u0438\u044f \u041f\u041e": "7 (Red Hat Enterprise Linux), 16.04 LTS (Ubuntu), 18.04 LTS (Ubuntu), 8 (Red Hat Enterprise Linux), 20.04 LTS (Ubuntu), 11 (Debian GNU/Linux), 12 (Debian GNU/Linux), 22.04 LTS (Ubuntu), 9 (Red Hat Enterprise Linux), \u0434\u043e 6.5 (Linux), \u043e\u0442 6.4 \u0434\u043e 6.4.10 (Linux), \u0434\u043e 9.2.0-fstec (Platform V SberLinux OS Server), \u043e\u0442 5.4 \u0434\u043e 5.4.253 (Linux), \u043e\u0442 5.10 \u0434\u043e 5.10.190 (Linux), \u043e\u0442 5.15 \u0434\u043e 5.15.126 (Linux), \u043e\u0442 6.1 \u0434\u043e 6.1.45 (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 Platform V SberLinux OS Server:\n\u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u0434\u043e \u0432\u0435\u0440\u0441\u0438\u0438 9.2.0-fstec \u0438\u043b\u0438 \u0432\u044b\u0448\u0435\n\n\u0414\u043b\u044f Linux:\nhttps://lore.kernel.org/linux-cve-announce/2025091854-CVE-2023-53369-394e@gregkh/\nhttps://git.kernel.org/stable/c/5b3dbedb8d4a0f9f7ce904d76b885438af2a21f9\nhttps://git.kernel.org/stable/c/8e309f43d0ca4051d20736c06a6f84bbddd881da\nhttps://git.kernel.org/stable/c/a0da2684db18dead3bcee12fb185e596e3d63c2b\nhttps://git.kernel.org/stable/c/ecff20e193207b44fdbfe64d7de89890f0a7fe6c\nhttps://git.kernel.org/stable/c/199fde04bd875d28b3a5ca525eaaa004eec6e947\nhttps://git.kernel.org/stable/c/31d49ba033095f6e8158c60f69714a500922e0c3\n\n\u0414\u043b\u044f Debian GNU/Linux:\nhttps://security-tracker.debian.org/tracker/CVE-2023-53369\n\n\u0414\u043b\u044f \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u044b\u0445 \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u043e\u0432 Red Hat Inc.:\nhttps://access.redhat.com/security/cve/cve-2023-53369\n\n\u0414\u043b\u044f Ubuntu:\nhttps://ubuntu.com/security/CVE-2023-53369",
  "\u0414\u0430\u0442\u0430 \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0438\u044f": "18.09.2025",
  "\u0414\u0430\u0442\u0430 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0435\u0433\u043e \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f": "29.04.2026",
  "\u0414\u0430\u0442\u0430 \u043f\u0443\u0431\u043b\u0438\u043a\u0430\u0446\u0438\u0438": "29.04.2026",
  "\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440": "BDU:2026-06025",
  "\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-2023-53369",
  "\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": "Red Hat Enterprise Linux, Ubuntu, Debian GNU/Linux, Linux, Platform V SberLinux OS Server (\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 \u211618785)",
  "\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": "Red Hat, Inc. Red Hat Enterprise Linux 7 , Canonical Ltd. Ubuntu 16.04 LTS , Canonical Ltd. Ubuntu 18.04 LTS , Red Hat, Inc. Red Hat Enterprise Linux 8 , Canonical Ltd. Ubuntu 20.04 LTS , \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 , Canonical Ltd. Ubuntu 22.04 LTS , Red Hat, Inc. Red Hat Enterprise Linux 9 , \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 6.5 , \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 6.4 \u0434\u043e 6.4.10 , \u0410\u041e \u00ab\u0421\u0431\u0435\u0440\u0422\u0435\u0445\u00bb Platform V SberLinux OS Server \u0434\u043e 9.2.0-fstec  (\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 \u211618785), \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 5.4 \u0434\u043e 5.4.253 , \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 5.10 \u0434\u043e 5.10.190 , \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 5.15 \u0434\u043e 5.15.126 , \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 6.1 \u0434\u043e 6.1.45 ",
  "\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 DCB_ATTR_BCN() \u044f\u0434\u0440\u0430 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c 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 \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 DCB_ATTR_BCN() \u044f\u0434\u0440\u0430 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c Linux \u0441\u0432\u044f\u0437\u0430\u043d\u0430 \u0441 \u0447\u0442\u0435\u043d\u0438\u0435\u043c \u0437\u0430 \u043f\u0440\u0435\u0434\u0435\u043b\u0430\u043c\u0438 \u0434\u043e\u043f\u0443\u0441\u0442\u0438\u043c\u043e\u0433\u043e \u0434\u0438\u0430\u043f\u0430\u0437\u043e\u043d\u0430 \u0432 \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 \u043e\u043a\u0430\u0437\u0430\u0442\u044c \u0432\u043e\u0437\u0434\u0435\u0439\u0441\u0442\u0432\u0438\u0435 \u043d\u0430 \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://lore.kernel.org/linux-cve-announce/2025091854-CVE-2023-53369-394e@gregkh/\nhttps://git.kernel.org/stable/c/5b3dbedb8d4a0f9f7ce904d76b885438af2a21f9\nhttps://git.kernel.org/stable/c/8e309f43d0ca4051d20736c06a6f84bbddd881da\nhttps://git.kernel.org/stable/c/a0da2684db18dead3bcee12fb185e596e3d63c2b\nhttps://git.kernel.org/stable/c/ecff20e193207b44fdbfe64d7de89890f0a7fe6c\nhttps://git.kernel.org/stable/c/199fde04bd875d28b3a5ca525eaaa004eec6e947\nhttps://git.kernel.org/stable/c/31d49ba033095f6e8158c60f69714a500922e0c3\nhttps://access.redhat.com/security/cve/cve-2023-53369\nhttps://ubuntu.com/security/CVE-2023-53369\nhttps://security-tracker.debian.org/tracker/CVE-2023-53369",
  "\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 4,6)\n\u0421\u0440\u0435\u0434\u043d\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 (\u0431\u0430\u0437\u043e\u0432\u0430\u044f \u043e\u0446\u0435\u043d\u043a\u0430 CVSS 3.1 \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 5,5)"
}

CVE-2023-53369 (GCVE-0-2023-53369)

Vulnerability from cvelistv5 – Published: 2025-09-18 13:33 – Updated: 2026-05-11 19:43

Title

net: dcb: choose correct policy to parse DCB_ATTR_BCN

Summary

In the Linux kernel, the following vulnerability has been resolved: net: dcb: choose correct policy to parse DCB_ATTR_BCN The dcbnl_bcn_setcfg uses erroneous policy to parse tb[DCB_ATTR_BCN], which is introduced in commit 859ee3c43812 ("DCB: Add support for DCB BCN"). Please see the comment in below code static int dcbnl_bcn_setcfg(...) { ... ret = nla_parse_nested_deprecated(..., dcbnl_pfc_up_nest, .. ) // !!! dcbnl_pfc_up_nest for attributes // DCB_PFC_UP_ATTR_0 to DCB_PFC_UP_ATTR_ALL in enum dcbnl_pfc_up_attrs ... for (i = DCB_BCN_ATTR_RP_0; i <= DCB_BCN_ATTR_RP_7; i++) { // !!! DCB_BCN_ATTR_RP_0 to DCB_BCN_ATTR_RP_7 in enum dcbnl_bcn_attrs ... value_byte = nla_get_u8(data[i]); ... } ... for (i = DCB_BCN_ATTR_BCNA_0; i <= DCB_BCN_ATTR_RI; i++) { // !!! DCB_BCN_ATTR_BCNA_0 to DCB_BCN_ATTR_RI in enum dcbnl_bcn_attrs ... value_int = nla_get_u32(data[i]); ... } ... } That is, the nla_parse_nested_deprecated uses dcbnl_pfc_up_nest attributes to parse nlattr defined in dcbnl_pfc_up_attrs. But the following access code fetch each nlattr as dcbnl_bcn_attrs attributes. By looking up the associated nla_policy for dcbnl_bcn_attrs. We can find the beginning part of these two policies are "same". static const struct nla_policy dcbnl_pfc_up_nest[...] = { [DCB_PFC_UP_ATTR_0] = {.type = NLA_U8}, [DCB_PFC_UP_ATTR_1] = {.type = NLA_U8}, [DCB_PFC_UP_ATTR_2] = {.type = NLA_U8}, [DCB_PFC_UP_ATTR_3] = {.type = NLA_U8}, [DCB_PFC_UP_ATTR_4] = {.type = NLA_U8}, [DCB_PFC_UP_ATTR_5] = {.type = NLA_U8}, [DCB_PFC_UP_ATTR_6] = {.type = NLA_U8}, [DCB_PFC_UP_ATTR_7] = {.type = NLA_U8}, [DCB_PFC_UP_ATTR_ALL] = {.type = NLA_FLAG}, }; static const struct nla_policy dcbnl_bcn_nest[...] = { [DCB_BCN_ATTR_RP_0] = {.type = NLA_U8}, [DCB_BCN_ATTR_RP_1] = {.type = NLA_U8}, [DCB_BCN_ATTR_RP_2] = {.type = NLA_U8}, [DCB_BCN_ATTR_RP_3] = {.type = NLA_U8}, [DCB_BCN_ATTR_RP_4] = {.type = NLA_U8}, [DCB_BCN_ATTR_RP_5] = {.type = NLA_U8}, [DCB_BCN_ATTR_RP_6] = {.type = NLA_U8}, [DCB_BCN_ATTR_RP_7] = {.type = NLA_U8}, [DCB_BCN_ATTR_RP_ALL] = {.type = NLA_FLAG}, // from here is somewhat different [DCB_BCN_ATTR_BCNA_0] = {.type = NLA_U32}, ... [DCB_BCN_ATTR_ALL] = {.type = NLA_FLAG}, }; Therefore, the current code is buggy and this nla_parse_nested_deprecated could overflow the dcbnl_pfc_up_nest and use the adjacent nla_policy to parse attributes from DCB_BCN_ATTR_BCNA_0. Hence use the correct policy dcbnl_bcn_nest to parse the nested tb[DCB_ATTR_BCN] TLV.

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 2026-01-14 18:53 UTC

CWE

CWE-noinfo Not enough information

Assigner

Linux mitre root

References

6 references

URL	Tags
https://git.kernel.org/stable/c/5b3dbedb8d4a0f9f7…
https://git.kernel.org/stable/c/8e309f43d0ca4051d…
https://git.kernel.org/stable/c/a0da2684db18dead3…
https://git.kernel.org/stable/c/ecff20e193207b44f…
https://git.kernel.org/stable/c/199fde04bd875d28b…
https://git.kernel.org/stable/c/31d49ba033095f6e8…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 859ee3c43812051e21816c6d6d4cc04fb7ce9b2e , < 5b3dbedb8d4a0f9f7ce904d76b885438af2a21f9 (git) Affected: 859ee3c43812051e21816c6d6d4cc04fb7ce9b2e , < 8e309f43d0ca4051d20736c06a6f84bbddd881da (git) Affected: 859ee3c43812051e21816c6d6d4cc04fb7ce9b2e , < a0da2684db18dead3bcee12fb185e596e3d63c2b (git) Affected: 859ee3c43812051e21816c6d6d4cc04fb7ce9b2e , < ecff20e193207b44fdbfe64d7de89890f0a7fe6c (git) Affected: 859ee3c43812051e21816c6d6d4cc04fb7ce9b2e , < 199fde04bd875d28b3a5ca525eaaa004eec6e947 (git) Affected: 859ee3c43812051e21816c6d6d4cc04fb7ce9b2e , < 31d49ba033095f6e8158c60f69714a500922e0c3 (git)
Linux	Linux	Affected: 2.6.29 Unaffected: 0 , < 2.6.29 (semver) Unaffected: 5.4.253 , ≤ 5.4.* (semver) Unaffected: 5.10.190 , ≤ 5.10.* (semver) Unaffected: 5.15.126 , ≤ 5.15.* (semver) Unaffected: 6.1.45 , ≤ 6.1.* (semver) Unaffected: 6.4.10 , ≤ 6.4.* (semver) Unaffected: 6.5 , ≤ * (original_commit_for_fix)

Show details on NVD website

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "LOCAL",
              "availabilityImpact": "HIGH",
              "baseScore": 5.5,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2023-53369",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-01-14T18:53:02.602085Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "description": "CWE-noinfo Not enough information",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-01-14T19:03:02.451Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "net/dcb/dcbnl.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
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              "status": "affected",
              "version": "859ee3c43812051e21816c6d6d4cc04fb7ce9b2e",
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            {
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            {
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              "versionType": "git"
            },
            {
              "lessThan": "ecff20e193207b44fdbfe64d7de89890f0a7fe6c",
              "status": "affected",
              "version": "859ee3c43812051e21816c6d6d4cc04fb7ce9b2e",
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            {
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              "versionType": "git"
            },
            {
              "lessThan": "31d49ba033095f6e8158c60f69714a500922e0c3",
              "status": "affected",
              "version": "859ee3c43812051e21816c6d6d4cc04fb7ce9b2e",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "net/dcb/dcbnl.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "2.6.29"
            },
            {
              "lessThan": "2.6.29",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.4.*",
              "status": "unaffected",
              "version": "5.4.253",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.190",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.126",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.45",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.4.*",
              "status": "unaffected",
              "version": "6.4.10",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.5",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.4.253",
                  "versionStartIncluding": "2.6.29",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.10.190",
                  "versionStartIncluding": "2.6.29",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.126",
                  "versionStartIncluding": "2.6.29",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.45",
                  "versionStartIncluding": "2.6.29",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.4.10",
                  "versionStartIncluding": "2.6.29",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.5",
                  "versionStartIncluding": "2.6.29",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: dcb: choose correct policy to parse DCB_ATTR_BCN\n\nThe dcbnl_bcn_setcfg uses erroneous policy to parse tb[DCB_ATTR_BCN],\nwhich is introduced in commit 859ee3c43812 (\"DCB: Add support for DCB\nBCN\"). Please see the comment in below code\n\nstatic int dcbnl_bcn_setcfg(...)\n{\n  ...\n  ret = nla_parse_nested_deprecated(..., dcbnl_pfc_up_nest, .. )\n  // !!! dcbnl_pfc_up_nest for attributes\n  //  DCB_PFC_UP_ATTR_0 to DCB_PFC_UP_ATTR_ALL in enum dcbnl_pfc_up_attrs\n  ...\n  for (i = DCB_BCN_ATTR_RP_0; i \u003c= DCB_BCN_ATTR_RP_7; i++) {\n  // !!! DCB_BCN_ATTR_RP_0 to DCB_BCN_ATTR_RP_7 in enum dcbnl_bcn_attrs\n    ...\n    value_byte = nla_get_u8(data[i]);\n    ...\n  }\n  ...\n  for (i = DCB_BCN_ATTR_BCNA_0; i \u003c= DCB_BCN_ATTR_RI; i++) {\n  // !!! DCB_BCN_ATTR_BCNA_0 to DCB_BCN_ATTR_RI in enum dcbnl_bcn_attrs\n  ...\n    value_int = nla_get_u32(data[i]);\n  ...\n  }\n  ...\n}\n\nThat is, the nla_parse_nested_deprecated uses dcbnl_pfc_up_nest\nattributes to parse nlattr defined in dcbnl_pfc_up_attrs. But the\nfollowing access code fetch each nlattr as dcbnl_bcn_attrs attributes.\nBy looking up the associated nla_policy for dcbnl_bcn_attrs. We can find\nthe beginning part of these two policies are \"same\".\n\nstatic const struct nla_policy dcbnl_pfc_up_nest[...] = {\n        [DCB_PFC_UP_ATTR_0]   = {.type = NLA_U8},\n        [DCB_PFC_UP_ATTR_1]   = {.type = NLA_U8},\n        [DCB_PFC_UP_ATTR_2]   = {.type = NLA_U8},\n        [DCB_PFC_UP_ATTR_3]   = {.type = NLA_U8},\n        [DCB_PFC_UP_ATTR_4]   = {.type = NLA_U8},\n        [DCB_PFC_UP_ATTR_5]   = {.type = NLA_U8},\n        [DCB_PFC_UP_ATTR_6]   = {.type = NLA_U8},\n        [DCB_PFC_UP_ATTR_7]   = {.type = NLA_U8},\n        [DCB_PFC_UP_ATTR_ALL] = {.type = NLA_FLAG},\n};\n\nstatic const struct nla_policy dcbnl_bcn_nest[...] = {\n        [DCB_BCN_ATTR_RP_0]         = {.type = NLA_U8},\n        [DCB_BCN_ATTR_RP_1]         = {.type = NLA_U8},\n        [DCB_BCN_ATTR_RP_2]         = {.type = NLA_U8},\n        [DCB_BCN_ATTR_RP_3]         = {.type = NLA_U8},\n        [DCB_BCN_ATTR_RP_4]         = {.type = NLA_U8},\n        [DCB_BCN_ATTR_RP_5]         = {.type = NLA_U8},\n        [DCB_BCN_ATTR_RP_6]         = {.type = NLA_U8},\n        [DCB_BCN_ATTR_RP_7]         = {.type = NLA_U8},\n        [DCB_BCN_ATTR_RP_ALL]       = {.type = NLA_FLAG},\n        // from here is somewhat different\n        [DCB_BCN_ATTR_BCNA_0]       = {.type = NLA_U32},\n        ...\n        [DCB_BCN_ATTR_ALL]          = {.type = NLA_FLAG},\n};\n\nTherefore, the current code is buggy and this\nnla_parse_nested_deprecated could overflow the dcbnl_pfc_up_nest and use\nthe adjacent nla_policy to parse attributes from DCB_BCN_ATTR_BCNA_0.\n\nHence use the correct policy dcbnl_bcn_nest to parse the nested\ntb[DCB_ATTR_BCN] TLV."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-11T19:43:36.996Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/5b3dbedb8d4a0f9f7ce904d76b885438af2a21f9"
        },
        {
          "url": "https://git.kernel.org/stable/c/8e309f43d0ca4051d20736c06a6f84bbddd881da"
        },
        {
          "url": "https://git.kernel.org/stable/c/a0da2684db18dead3bcee12fb185e596e3d63c2b"
        },
        {
          "url": "https://git.kernel.org/stable/c/ecff20e193207b44fdbfe64d7de89890f0a7fe6c"
        },
        {
          "url": "https://git.kernel.org/stable/c/199fde04bd875d28b3a5ca525eaaa004eec6e947"
        },
        {
          "url": "https://git.kernel.org/stable/c/31d49ba033095f6e8158c60f69714a500922e0c3"
        }
      ],
      "title": "net: dcb: choose correct policy to parse DCB_ATTR_BCN",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2023-53369",
    "datePublished": "2025-09-18T13:33:17.384Z",
    "dateReserved": "2025-09-17T14:54:09.734Z",
    "dateUpdated": "2026-05-11T19:43:36.996Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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BDU:2026-06025 (CVE-2023-53369)

CVE-2023-53369 (GCVE-0-2023-53369)

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