Vulnerability-Lookup

BDU:2022-03928 (CVE-2021-4149)

Vulnerability from fstec – Published: 2022-06-29 – Updated: 2024-11-07 – View on bdu.fstec.ru Exploit publicly available Fixed

Title

Уязвимость функции btrfs_alloc_tree_b (fs/btrfs/extent-tree.c) файловой системы btrfs ядра операционной системы Linux, позволяющая нарушителю вызвать отказ в обслуживании

Summary

Уязвимость функции btrfs_alloc_tree_b (fs/btrfs/extent-tree.c) файловой системы btrfs ядра операционной системы Linux связана с некорректной блокировкой ресурса. Эксплуатация уязвимости может позволить нарушителю вызвать отказ в обслуживании

Severity

4.6 (Medium) CVSS 2.0


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

5.5 (Medium) CVSS 3.0


                      
                        CVSS:3.0/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

Timing and state manipulation

Incidents

Being clarified

Remediation

Software update

CWE

CWE-667 - Недостаточная блокировка

Aliases

CVE-2021-4149

References

18 references

URL
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1…
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.307
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.272
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.155
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.75
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.14.14
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.235
https://lkml.org/lkml/2021/10/18/885
https://lkml.org/lkml/2021/9/13/2565
https://security-tracker.debian.org/tracker/CVE-2021-4149
https://ubuntu.com/security/CVE-2021-4149
https://www.suse.com/security/cve/CVE-2021-4149.html
https://www.cybersecurity-help.cz/vdb/SB2022060822
https://access.redhat.com/security/cve/cve-2021-4149
https://wiki.astralinux.ru/astra-linux-se17-bulletin-2022-0819SE17
https://wiki.astralinux.ru/astra-linux-se47-bulletin-2022-0926SE47
https://wiki.astralinux.ru/astra-linux-se16-bulletin-20241017SE16

Impacted products

8 products from 4 vendors

Vendors

Сообщество свободного программного обеспечения, Canonical Ltd., ООО «РусБИТех-Астра», Novell Inc.

Products

Debian GNU/Linux, Ubuntu, Astra Linux Special Edition (запись в едином реестре российских программ №369), SUSE Linux Enterprise Server for SAP Applications, Suse Linux Enterprise Server, Suse Linux Enterprise Desktop, OpenSUSE Leap, Linux

Versions

9 (Debian GNU/Linux), 18.04 LTS (Ubuntu), 1.6 «Смоленск» (Astra Linux Special Edition), 12 SP3 (SUSE Linux Enterprise Server for SAP Applications), 12 SP4 (SUSE Linux Enterprise Server for SAP Applications), 12 SP4 (Suse Linux Enterprise Server), 12 SP2-BCL (Suse Linux Enterprise Server), 15 (SUSE Linux Enterprise Server for SAP Applications), 15 SP1 (SUSE Linux Enterprise Server for SAP Applications), 12 SP3-LTSS (Suse Linux Enterprise Server), 14.04 ESM (Ubuntu), 12 SP3-BCL (Suse Linux Enterprise Server), 12 SP5 (Suse Linux Enterprise Server), 12 SP5 (SUSE Linux Enterprise Server for SAP Applications), 10 (Debian GNU/Linux), 12 SP3-ESPOS (Suse Linux Enterprise Server), 15-LTSS (Suse Linux Enterprise Server), 12 SP4-ESPOS (Suse Linux Enterprise Server), 12 SP4-LTSS (Suse Linux Enterprise Server), 12 SP5 (Suse Linux Enterprise Desktop), 15 SP1-BCL (Suse Linux Enterprise Server), 15 SP1-LTSS (Suse Linux Enterprise Server), 16.04 ESM (Ubuntu), 15.3 (OpenSUSE Leap), 15 SP1 (Suse Linux Enterprise Server), 11 (Debian GNU/Linux), 1.7 (Astra Linux Special Edition), 15 SP3 (Suse Linux Enterprise Server), 15 SP3 (SUSE Linux Enterprise Server for SAP Applications), 15 SP3 (Suse Linux Enterprise Desktop), 15 SP2 (Suse Linux Enterprise Server), 15 SP2 (SUSE Linux Enterprise Server for SAP Applications), 15 (Suse Linux Enterprise Server), 15 SP2-BCL (Suse Linux Enterprise Server), 15 SP2-LTSS (Suse Linux Enterprise Server), 4.7 (Astra Linux Special Edition), от 4.1 до 4.9.306 включительно (Linux), от 4.10 до 4.14.271 включительно (Linux), от 4.15 до 4.19.234 включительно (Linux), от 4.20 до 5.4.154 включительно (Linux), от 5.5 до 5.10.74 включительно (Linux), от 5.11 до 5.14.13 включительно (Linux)

Product types

Operating system

Platforms

Сообщество свободного программного обеспечения Debian GNU/Linux 9, Canonical Ltd. Ubuntu 18.04 LTS, ООО «РусБИТех-Астра» Astra Linux Special Edition 1.6 «Смоленск» (запись в едином реестре российских программ №369), Novell Inc. SUSE Linux Enterprise Server for SAP Applications 12 SP3, Novell Inc. SUSE Linux Enterprise Server for SAP Applications 12 SP4, Novell Inc. Suse Linux Enterprise Server 12 SP4, Novell Inc. Suse Linux Enterprise Server 12 SP2-BCL, Novell Inc. SUSE Linux Enterprise Server for SAP Applications 15, Novell Inc. SUSE Linux Enterprise Server for SAP Applications 15 SP1, Novell Inc. Suse Linux Enterprise Server 12 SP3-LTSS, Canonical Ltd. Ubuntu 14.04 ESM, Novell Inc. Suse Linux Enterprise Server 12 SP3-BCL, Novell Inc. Suse Linux Enterprise Server 12 SP5, Novell Inc. SUSE Linux Enterprise Server for SAP Applications 12 SP5, Сообщество свободного программного обеспечения Debian GNU/Linux 10, Novell Inc. Suse Linux Enterprise Server 12 SP3-ESPOS, Novell Inc. Suse Linux Enterprise Server 15-LTSS, Novell Inc. Suse Linux Enterprise Server 12 SP4-ESPOS, Novell Inc. Suse Linux Enterprise Server 12 SP4-LTSS, Novell Inc. Suse Linux Enterprise Desktop 12 SP5, Novell Inc. Suse Linux Enterprise Server 15 SP1-BCL, Novell Inc. Suse Linux Enterprise Server 15 SP1-LTSS, Canonical Ltd. Ubuntu 16.04 ESM, Novell Inc. OpenSUSE Leap 15.3, Novell Inc. Suse Linux Enterprise Server 15 SP1, Сообщество свободного программного обеспечения Debian GNU/Linux 11, ООО «РусБИТех-Астра» Astra Linux Special Edition 1.7 (запись в едином реестре российских программ №369), Novell Inc. Suse Linux Enterprise Server 15 SP3, Novell Inc. SUSE Linux Enterprise Server for SAP Applications 15 SP3, Novell Inc. Suse Linux Enterprise Desktop 15 SP3, Novell Inc. Suse Linux Enterprise Server 15 SP2, Novell Inc. SUSE Linux Enterprise Server for SAP Applications 15 SP2, Novell Inc. Suse Linux Enterprise Server 15, Novell Inc. Suse Linux Enterprise Server 15 SP2-BCL, Novell Inc. Suse Linux Enterprise Server 15 SP2-LTSS, ООО «РусБИТех-Астра» Astra Linux Special Edition 4.7 ARM (запись в едином реестре российских программ №369), Сообщество свободного программного обеспечения Linux от 4.1 до 4.9.306 включительно, Сообщество свободного программного обеспечения Linux от 4.10 до 4.14.271 включительно, Сообщество свободного программного обеспечения Linux от 4.15 до 4.19.234 включительно, Сообщество свободного программного обеспечения Linux от 4.20 до 5.4.154 включительно, Сообщество свободного программного обеспечения Linux от 5.5 до 5.10.74 включительно, Сообщество свободного программного обеспечения Linux от 5.11 до 5.14.13 включительно

Mitigations

Использование рекомендаций: Для ядра Linux: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=19ea40dddf1833db868533958ca066f368862211 https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.307 https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.272 https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.155 https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.75 https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.14.14 https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15 https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.235 Для Debian GNU/Linux: https://security-tracker.debian.org/tracker/CVE-2021-4149 Для Ubuntu: https://ubuntu.com/security/CVE-2021-4149 Для программных продуктов Novell Inc.: https://www.suse.com/security/cve/CVE-2021-4149.html Для ОС Astra Linux: использование рекомендаций производителя: https://wiki.astralinux.ru/astra-linux-se17-bulletin-2022-0819SE17 https://wiki.astralinux.ru/astra-linux-se16-bulletin-20220829SE16 https://wiki.astralinux.ru/astra-linux-se47-bulletin-2022-0926SE47 Для Astra Linux Special Edition 1.6 «Смоленск»:: - обновить пакет linux до 5.4.0-110.astra35+ci74 или более высокой версии, используя рекомендации производителя: https://wiki.astralinux.ru/astra-linux-se16-bulletin-20241017SE16 - обновить пакет linux-5.10 до 5.10.0-1057.astra6+ci79 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:S/C:N/I:N/A:C",
  "CVSS 3.0": "AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
  "CVSS 4.0": null,
  "remediation_\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440": null,
  "remediation_\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435": null,
  "\u0412\u0435\u043d\u0434\u043e\u0440 \u041f\u041e": "\u0421\u043e\u043e\u0431\u0449\u0435\u0441\u0442\u0432\u043e \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f, Canonical Ltd., \u041e\u041e\u041e \u00ab\u0420\u0443\u0441\u0411\u0418\u0422\u0435\u0445-\u0410\u0441\u0442\u0440\u0430\u00bb, Novell Inc.",
  "\u0412\u0435\u0440\u0441\u0438\u044f \u041f\u041e": "9 (Debian GNU/Linux), 18.04 LTS (Ubuntu), 1.6 \u00ab\u0421\u043c\u043e\u043b\u0435\u043d\u0441\u043a\u00bb (Astra Linux Special Edition), 12 SP3 (SUSE Linux Enterprise Server for SAP Applications), 12 SP4 (SUSE Linux Enterprise Server for SAP Applications), 12 SP4 (Suse Linux Enterprise Server), 12 SP2-BCL (Suse Linux Enterprise Server), 15 (SUSE Linux Enterprise Server for SAP Applications), 15 SP1 (SUSE Linux Enterprise Server for SAP Applications), 12 SP3-LTSS (Suse Linux Enterprise Server), 14.04 ESM (Ubuntu), 12 SP3-BCL (Suse Linux Enterprise Server), 12 SP5 (Suse Linux Enterprise Server), 12 SP5 (SUSE Linux Enterprise Server for SAP Applications), 10 (Debian GNU/Linux), 12 SP3-ESPOS (Suse Linux Enterprise Server), 15-LTSS (Suse Linux Enterprise Server), 12 SP4-ESPOS (Suse Linux Enterprise Server), 12 SP4-LTSS (Suse Linux Enterprise Server), 12 SP5 (Suse Linux Enterprise Desktop), 15 SP1-BCL (Suse Linux Enterprise Server), 15 SP1-LTSS (Suse Linux Enterprise Server), 16.04 ESM (Ubuntu), 15.3 (OpenSUSE Leap), 15 SP1 (Suse Linux Enterprise Server), 11 (Debian GNU/Linux), 1.7 (Astra Linux Special Edition), 15 SP3 (Suse Linux Enterprise Server), 15 SP3 (SUSE Linux Enterprise Server for SAP Applications), 15 SP3 (Suse Linux Enterprise Desktop), 15 SP2 (Suse Linux Enterprise Server), 15 SP2 (SUSE Linux Enterprise Server for SAP Applications), 15 (Suse Linux Enterprise Server), 15 SP2-BCL (Suse Linux Enterprise Server), 15 SP2-LTSS (Suse Linux Enterprise Server), 4.7 (Astra Linux Special Edition), \u043e\u0442 4.1 \u0434\u043e 4.9.306 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e (Linux), \u043e\u0442 4.10 \u0434\u043e 4.14.271 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e (Linux), \u043e\u0442 4.15 \u0434\u043e 4.19.234 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e (Linux), \u043e\u0442 4.20 \u0434\u043e 5.4.154 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e (Linux), \u043e\u0442 5.5 \u0434\u043e 5.10.74 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e (Linux), \u043e\u0442 5.11 \u0434\u043e 5.14.13 \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\n\u0414\u043b\u044f \u044f\u0434\u0440\u0430 Linux:\nhttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=19ea40dddf1833db868533958ca066f368862211\nhttps://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.307\nhttps://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.272\nhttps://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.155\nhttps://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.75\nhttps://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.14.14\nhttps://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15\nhttps://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.235\n\n\u0414\u043b\u044f Debian GNU/Linux:\nhttps://security-tracker.debian.org/tracker/CVE-2021-4149\n\n\u0414\u043b\u044f Ubuntu:\nhttps://ubuntu.com/security/CVE-2021-4149\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 Novell Inc.:\nhttps://www.suse.com/security/cve/CVE-2021-4149.html\n\n\u0414\u043b\u044f \u041e\u0421 Astra Linux:\n\u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0430\u0446\u0438\u0439 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044f:\nhttps://wiki.astralinux.ru/astra-linux-se17-bulletin-2022-0819SE17\nhttps://wiki.astralinux.ru/astra-linux-se16-bulletin-20220829SE16\nhttps://wiki.astralinux.ru/astra-linux-se47-bulletin-2022-0926SE47\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 5.4.0-110.astra35+ci74 \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 5.10.0-1057.astra6+ci79 \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": "18.10.2021",
  "\u0414\u0430\u0442\u0430 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0435\u0433\u043e \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f": "07.11.2024",
  "\u0414\u0430\u0442\u0430 \u043f\u0443\u0431\u043b\u0438\u043a\u0430\u0446\u0438\u0438": "29.06.2022",
  "\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440": "BDU:2022-03928",
  "\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-2021-4149",
  "\u0418\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044f \u043e\u0431 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430",
  "\u041a\u043b\u0430\u0441\u0441 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043a\u043e\u0434\u0430",
  "\u041d\u0430\u0437\u0432\u0430\u043d\u0438\u0435 \u041f\u041e": "Debian GNU/Linux, Ubuntu, 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), SUSE Linux Enterprise Server for SAP Applications, Suse Linux Enterprise Server, Suse Linux Enterprise Desktop, OpenSUSE Leap, Linux",
  "\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435 \u041e\u0421 \u0438 \u0442\u0438\u043f \u0430\u043f\u043f\u0430\u0440\u0430\u0442\u043d\u043e\u0439 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b": "\u0421\u043e\u043e\u0431\u0449\u0435\u0441\u0442\u0432\u043e \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f Debian GNU/Linux 9 , Canonical Ltd. Ubuntu 18.04 LTS , \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), Novell Inc. SUSE Linux Enterprise Server for SAP Applications 12 SP3 , Novell Inc. SUSE Linux Enterprise Server for SAP Applications 12 SP4 , Novell Inc. Suse Linux Enterprise Server 12 SP4 , Novell Inc. Suse Linux Enterprise Server 12 SP2-BCL , Novell Inc. SUSE Linux Enterprise Server for SAP Applications 15 , Novell Inc. SUSE Linux Enterprise Server for SAP Applications 15 SP1 , Novell Inc. Suse Linux Enterprise Server 12 SP3-LTSS , Canonical Ltd. Ubuntu 14.04 ESM , Novell Inc. Suse Linux Enterprise Server 12 SP3-BCL , Novell Inc. Suse Linux Enterprise Server 12 SP5 , Novell Inc. SUSE Linux Enterprise Server for SAP Applications 12 SP5 , \u0421\u043e\u043e\u0431\u0449\u0435\u0441\u0442\u0432\u043e \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f Debian GNU/Linux 10 , Novell Inc. Suse Linux Enterprise Server 12 SP3-ESPOS , Novell Inc. Suse Linux Enterprise Server 15-LTSS , Novell Inc. Suse Linux Enterprise Server 12 SP4-ESPOS , Novell Inc. Suse Linux Enterprise Server 12 SP4-LTSS , Novell Inc. Suse Linux Enterprise Desktop 12 SP5 , Novell Inc. Suse Linux Enterprise Server 15 SP1-BCL , Novell Inc. Suse Linux Enterprise Server 15 SP1-LTSS , Canonical Ltd. Ubuntu 16.04 ESM , Novell Inc. OpenSUSE Leap 15.3 , Novell Inc. Suse Linux Enterprise Server 15 SP1 , \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 , \u041e\u041e\u041e \u00ab\u0420\u0443\u0441\u0411\u0418\u0422\u0435\u0445-\u0410\u0441\u0442\u0440\u0430\u00bb Astra Linux Special Edition 1.7  (\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), Novell Inc. Suse Linux Enterprise Server 15 SP3 , Novell Inc. SUSE Linux Enterprise Server for SAP Applications 15 SP3 , Novell Inc. Suse Linux Enterprise Desktop 15 SP3 , Novell Inc. Suse Linux Enterprise Server 15 SP2 , Novell Inc. SUSE Linux Enterprise Server for SAP Applications 15 SP2 , Novell Inc. Suse Linux Enterprise Server 15 , Novell Inc. Suse Linux Enterprise Server 15 SP2-BCL , Novell Inc. Suse Linux Enterprise Server 15 SP2-LTSS , \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 4.1 \u0434\u043e 4.9.306 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e , \u0421\u043e\u043e\u0431\u0449\u0435\u0441\u0442\u0432\u043e \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f Linux \u043e\u0442 4.10 \u0434\u043e 4.14.271 \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 4.19.234 \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 4.20 \u0434\u043e 5.4.154 \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 5.10.74 \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 5.14.13 \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 btrfs_alloc_tree_b (fs/btrfs/extent-tree.c) \u0444\u0430\u0439\u043b\u043e\u0432\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b btrfs \u044f\u0434\u0440\u0430 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b Linux, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f \u043d\u0430\u0440\u0443\u0448\u0438\u0442\u0435\u043b\u044e \u0432\u044b\u0437\u0432\u0430\u0442\u044c \u043e\u0442\u043a\u0430\u0437 \u0432 \u043e\u0431\u0441\u043b\u0443\u0436\u0438\u0432\u0430\u043d\u0438\u0438",
  "\u041d\u0430\u043b\u0438\u0447\u0438\u0435 \u044d\u043a\u0441\u043f\u043b\u043e\u0439\u0442\u0430": "\u0421\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u0435\u0442 \u0432 \u043e\u0442\u043a\u0440\u044b\u0442\u043e\u043c \u0434\u043e\u0441\u0442\u0443\u043f\u0435",
  "\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u043e\u0448\u0438\u0431\u043a\u0438 CWE": "\u041d\u0435\u0434\u043e\u0441\u0442\u0430\u0442\u043e\u0447\u043d\u0430\u044f \u0431\u043b\u043e\u043a\u0438\u0440\u043e\u0432\u043a\u0430 (CWE-667)",
  "\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 btrfs_alloc_tree_b (fs/btrfs/extent-tree.c) \u0444\u0430\u0439\u043b\u043e\u0432\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b btrfs \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 \u043d\u0435\u043a\u043e\u0440\u0440\u0435\u043a\u0442\u043d\u043e\u0439 \u0431\u043b\u043e\u043a\u0438\u0440\u043e\u0432\u043a\u043e\u0439 \u0440\u0435\u0441\u0443\u0440\u0441\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 \u0432\u044b\u0437\u0432\u0430\u0442\u044c \u043e\u0442\u043a\u0430\u0437 \u0432 \u043e\u0431\u0441\u043b\u0443\u0436\u0438\u0432\u0430\u043d\u0438\u0438",
  "\u041f\u043e\u0441\u043b\u0435\u0434\u0441\u0442\u0432\u0438\u044f \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": null,
  "\u041f\u0440\u043e\u0447\u0430\u044f \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044f": null,
  "\u0421\u0432\u044f\u0437\u044c \u0441 \u0438\u043d\u0446\u0438\u0434\u0435\u043d\u0442\u0430\u043c\u0438 \u0418\u0411": "\u0414\u0430\u043d\u043d\u044b\u0435 \u0443\u0442\u043e\u0447\u043d\u044f\u044e\u0442\u0441\u044f",
  "\u0421\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u0430",
  "\u0421\u043f\u043e\u0441\u043e\u0431 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u044f": "\u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f",
  "\u0421\u043f\u043e\u0441\u043e\u0431 \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438": "\u041c\u0430\u043d\u0438\u043f\u0443\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u0441\u0440\u043e\u043a\u0430\u043c\u0438 \u0438 \u0441\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435\u043c",
  "\u0421\u0441\u044b\u043b\u043a\u0438 \u043d\u0430 \u0438\u0441\u0442\u043e\u0447\u043d\u0438\u043a\u0438": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=19ea40dddf1833db868533958ca066f368862211\nhttps://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.307\nhttps://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.272\nhttps://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.155\nhttps://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.75\nhttps://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.14.14\nhttps://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15\nhttps://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.235\nhttps://lkml.org/lkml/2021/10/18/885\nhttps://lkml.org/lkml/2021/9/13/2565\nhttps://security-tracker.debian.org/tracker/CVE-2021-4149\nhttps://ubuntu.com/security/CVE-2021-4149\nhttps://www.suse.com/security/cve/CVE-2021-4149.html\nhttps://www.cybersecurity-help.cz/vdb/SB2022060822\nhttps://access.redhat.com/security/cve/cve-2021-4149\nhttps://wiki.astralinux.ru/astra-linux-se17-bulletin-2022-0819SE17\nhttps://wiki.astralinux.ru/astra-linux-se47-bulletin-2022-0926SE47\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-667",
  "\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 3.0 \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 5,5)"
}

CVE-2021-4149 (GCVE-0-2021-4149)

Vulnerability from cvelistv5 – Published: 2022-03-23 19:46 – Updated: 2024-08-03 17:16

Summary

A vulnerability was found in btrfs_alloc_tree_b in fs/btrfs/extent-tree.c in the Linux kernel due to an improper lock operation in btrfs. In this flaw, a user with a local privilege may cause a denial of service (DOS) due to a deadlock problem.

Severity

No CVSS data available.

CWE

CWE-667

Assigner

redhat redhat root Scorecard

References

4 references

URL	Tags
https://bugzilla.redhat.com/show_bug.cgi?id=2026485	x_refsource_MISC
https://lkml.org/lkml/2021/10/18/885	x_refsource_MISC
https://lkml.org/lkml/2021/9/13/2565	x_refsource_MISC
https://lists.debian.org/debian-lts-announce/2022…	mailing-listx_refsource_MLIST

Impacted products

1 product

Vendor	Product	Version
n/a	kernel	Affected: kernel 5.15 rc6

Show details on NVD website

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To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T17:16:04.260Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2026485"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://lkml.org/lkml/2021/10/18/885"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://lkml.org/lkml/2021/9/13/2565"
          },
          {
            "name": "[debian-lts-announce] 20220701 [SECURITY] [DLA 3065-1] linux security update",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2022/07/msg00000.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "kernel",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "kernel 5.15 rc6"
            }
          ]
        }
      ],
      "descriptions": [
        {
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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.

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:2022-03928 (CVE-2021-4149)

CVE-2021-4149 (GCVE-0-2021-4149)

Tags

Sightings

Nomenclature

Related by attack behaviour