Vulnerability-Lookup

BDU:2026-14711 (CVE-2026-80714)

Vulnerability from fstec – Published: 2026-09-16 – Updated: 2026-09-17 – View on bdu.fstec.ru Exploit publicly available Fixed

Title

Уязвимость функции ip_vs_bind_dest компонента ipvs ядра операционной системы Linux, позволяющая нарушителю вызвать отказ в обслуживании

Summary

Уязвимость функции ip_vs_bind_dest компонента ipvs ядра операционной системы Linux связана с разыменованием указателя с истекшим сроком действия. Эксплуатация уязвимости может позволить нарушителю, действующему удаленно, вызвать отказ в обслуживании

Severity

10.0 (High) CVSS 2.0


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

9.8 (Critical) CVSS 3.1


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

Class

Code vulnerability

Status

Confirmed by the vendor

Exploitation

Data structure manipulation

Incidents

Being clarified

Remediation

Software update

CWE

CWE-416 - Использование после освобождения
CWE-825 - Разыменование указателя с истекшим сроком действия

Aliases

CVE-2026-80714

References

19 references

URL
https://access.redhat.com/security/cve/CVE-2026-80714
https://deb.freexian.com/extended-lts/tracker/CVE-2026-80714
https://git.kernel.org/linus/a63d2dbaeb50a85d4c976b15a36e6b0c7113db5b
https://git.kernel.org/stable/c/06d1d9b56ef8132fbf85006885eb43d9510b8b02
https://git.kernel.org/stable/c/300348e3ba1521b003d59825f97e24f9a6859688
https://git.kernel.org/stable/c/44af98cc7d5ef8e730488d5df1eecd5deeaa5947
https://git.kernel.org/stable/c/4649e6faeecdc2d44bfa6ccbe405eef27e55d816
https://git.kernel.org/stable/c/a63d2dbaeb50a85d4c976b15a36e6b0c7113db5b
https://git.kernel.org/stable/c/acbdc276091b308ca7794acb86e761f8203e2f59
https://git.kernel.org/stable/c/b5ee5b266f833601ac4817f6df0bc496fc376a28
https://git.kernel.org/stable/c/e7acfc990c29890c883d0d0ce3f737d003a43b44
https://github.com/NebuSec/CyberMeowfia/tree/main/security-research/Linux-CVE-2…
https://lore.kernel.org/linux-cve-announce/2026082809-CVE-2026-80714-799a@gregkh/
https://nvd.nist.gov/vuln/detail/CVE-2026-80714
https://security-tracker.debian.org/tracker/CVE-2026-80714
https://ubuntu.com/security/CVE-2026-80714
https://vuldb.com/vuln/396644
https://wiki.astralinux.ru/astra-linux-se17-bulletin-2026-0911SE17HF
https://www.linuxkernelcves.com/cves/CVE-2026-80714

Impacted products

5 products from 5 vendors

Vendors

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

Products

Ubuntu, Red Hat Enterprise Linux, Debian GNU/Linux, Astra Linux Special Edition (запись в едином реестре российских программ №369), Linux

Versions

14.04 LTS (Ubuntu), 6 (Red Hat Enterprise Linux), 7 (Red Hat Enterprise Linux), 16.04 LTS (Ubuntu), 9 (Debian GNU/Linux), 18.04 LTS (Ubuntu), 8 (Red Hat Enterprise Linux), 10 (Debian GNU/Linux), 20.04 LTS (Ubuntu), 11 (Debian GNU/Linux), 12 (Debian GNU/Linux), 1.7 (Astra Linux Special Edition), 22.04 LTS (Ubuntu), 9 (Red Hat Enterprise Linux), 24.04 LTS (Ubuntu), 10 (Red Hat Enterprise Linux), 13 (Debian GNU/Linux), 26.04 LTS (Ubuntu), от 5.11 до 5.15.216 (Linux), от 5.16 до 6.1.183 (Linux), от 6.2 до 6.6.151 (Linux), от 6.7 до 6.12.103 (Linux), от 6.13 до 6.18.44 (Linux), от 6.19 до 7.1.8 (Linux), от 2.6.36 до 5.10.265 (Linux)

Product types

Operating system

Platforms

Canonical Ltd. Ubuntu 14.04 LTS, Red Hat, Inc. Red Hat Enterprise Linux 6, 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 12, Canonical Ltd. Ubuntu 22.04 LTS, Inc. Red Hat Enterprise Linux 9, Canonical Ltd. Ubuntu 24.04 LTS, Inc. Red Hat Enterprise Linux 10, Сообщество свободного программного обеспечения Debian GNU/Linux 13, Canonical Ltd. Ubuntu 26.04 LTS, Сообщество свободного программного обеспечения Linux от 5.15.0 до 5.15.216, Сообщество свободного программного обеспечения Linux до 7.2, Сообщество свободного программного обеспечения Linux от 5.10.0 до 5.10.265, Сообщество свободного программного обеспечения Linux от до 6.1.0 до 6.1.183, Сообщество свободного программного обеспечения Linux от 6.6.0 до 6.6.151, Сообщество свободного программного обеспечения Linux от 6.12.0 до 6.12.103, Сообщество свободного программного обеспечения Linux от 6.18.0 до 6.18.44, Сообщество свободного программного обеспечения Linux от 7.1.0 до 7.1.8

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://lore.kernel.org/linux-cve-announce/2026082809-CVE-2026-80714-799a@gregkh/ Для программных продуктов Red Hat Inc.: https://access.redhat.com/security/cve/cve-2026-80714 Для Debian GNU/Linux: https://security-tracker.debian.org/tracker/CVE-2026-80714 Для Ubuntu: https://ubuntu.com/security/CVE-2026-80714 Для ОС Astra Linux: - обновить пакет linux-5.10 до 5.10.254-1.astra1+ci173 или более высокой версии: https://wiki.astralinux.ru/astra-linux-se17-bulletin-2026-0911SE17HF - обновить пакет linux-6.1 до 6.1.170-1.astra1+ci5r49 или более высокой версии: https://wiki.astralinux.ru/astra-linux-se17-bulletin-2026-0911SE17HF - обновить пакет linux до 5.4.0-218.astra2r15 или более высокой версии: https://wiki.astralinux.ru/astra-linux-se17-bulletin-2026-0911SE17HF - обновить пакет linux-5.15 до 5.15.0-179.astra2+ci89 или более высокой версии: https://wiki.astralinux.ru/astra-linux-se17-bulletin-2026-0911SE17HF

Credits

Исследователь: Yuan Tan

JSON

To clipboard

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  "CVSS 3.0": "AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
  "CVSS 4.0": null,
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  "\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": "Ubuntu, Red Hat Enterprise Linux, Debian GNU/Linux, Astra Linux Special Edition (\u0437\u0430\u043f\u0438\u0441\u044c \u0432 \u0435\u0434\u0438\u043d\u043e\u043c \u0440\u0435\u0435\u0441\u0442\u0440\u0435 \u0440\u043e\u0441\u0441\u0438\u0439\u0441\u043a\u0438\u0445 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c \u2116369), Linux",
  "\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435 \u041e\u0421 \u0438 \u0442\u0438\u043f \u0430\u043f\u043f\u0430\u0440\u0430\u0442\u043d\u043e\u0439 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b": "Canonical Ltd. Ubuntu 14.04 LTS , Red Hat, Inc. Red Hat Enterprise Linux 6 , 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 12 , Canonical Ltd. Ubuntu 22.04 LTS , Red Hat, Inc. Red Hat Enterprise Linux 9 , Canonical Ltd. Ubuntu 24.04 LTS , Red Hat, Inc. Red Hat Enterprise Linux 10 , \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 13 , Canonical Ltd. Ubuntu 26.04 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 Linux \u043e\u0442 5.15.0 \u0434\u043e 5.15.216 , \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 7.2 , \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 5.10.0 \u0434\u043e 5.10.265 , \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 \u0434\u043e 6.1.0 \u0434\u043e 6.1.183 , \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 6.6.0 \u0434\u043e 6.6.151 , \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 6.12.0 \u0434\u043e 6.12.103 , \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 6.18.0 \u0434\u043e 6.18.44 , \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 7.1.0 \u0434\u043e 7.1.8 ",
  "\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 ip_vs_bind_dest \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u0430 ipvs \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": "\u0418\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u043f\u043e\u0441\u043b\u0435 \u043e\u0441\u0432\u043e\u0431\u043e\u0436\u0434\u0435\u043d\u0438\u044f (CWE-416), \u0420\u0430\u0437\u044b\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435 \u0443\u043a\u0430\u0437\u0430\u0442\u0435\u043b\u044f \u0441 \u0438\u0441\u0442\u0435\u043a\u0448\u0438\u043c \u0441\u0440\u043e\u043a\u043e\u043c \u0434\u0435\u0439\u0441\u0442\u0432\u0438\u044f (CWE-825)",
  "\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 ip_vs_bind_dest \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u0430 ipvs \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 \u0440\u0430\u0437\u044b\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435\u043c \u0443\u043a\u0430\u0437\u0430\u0442\u0435\u043b\u044f \u0441 \u0438\u0441\u0442\u0435\u043a\u0448\u0438\u043c \u0441\u0440\u043e\u043a\u043e\u043c \u0434\u0435\u0439\u0441\u0442\u0432\u0438\u044f. \u042d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u043c\u043e\u0436\u0435\u0442 \u043f\u043e\u0437\u0432\u043e\u043b\u0438\u0442\u044c \u043d\u0430\u0440\u0443\u0448\u0438\u0442\u0435\u043b\u044e, \u0434\u0435\u0439\u0441\u0442\u0432\u0443\u044e\u0449\u0435\u043c\u0443 \u0443\u0434\u0430\u043b\u0435\u043d\u043d\u043e, \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": "\u0418\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u044c: Yuan Tan",
  "\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://access.redhat.com/security/cve/CVE-2026-80714\nhttps://deb.freexian.com/extended-lts/tracker/CVE-2026-80714\nhttps://git.kernel.org/linus/a63d2dbaeb50a85d4c976b15a36e6b0c7113db5b\nhttps://git.kernel.org/stable/c/06d1d9b56ef8132fbf85006885eb43d9510b8b02\nhttps://git.kernel.org/stable/c/300348e3ba1521b003d59825f97e24f9a6859688\nhttps://git.kernel.org/stable/c/44af98cc7d5ef8e730488d5df1eecd5deeaa5947\nhttps://git.kernel.org/stable/c/4649e6faeecdc2d44bfa6ccbe405eef27e55d816\nhttps://git.kernel.org/stable/c/a63d2dbaeb50a85d4c976b15a36e6b0c7113db5b\nhttps://git.kernel.org/stable/c/acbdc276091b308ca7794acb86e761f8203e2f59\nhttps://git.kernel.org/stable/c/b5ee5b266f833601ac4817f6df0bc496fc376a28\nhttps://git.kernel.org/stable/c/e7acfc990c29890c883d0d0ce3f737d003a43b44\nhttps://github.com/NebuSec/CyberMeowfia/tree/main/security-research/Linux-CVE-2026-80714-Debian-6.12.101\nhttps://lore.kernel.org/linux-cve-announce/2026082809-CVE-2026-80714-799a@gregkh/\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-80714\nhttps://security-tracker.debian.org/tracker/CVE-2026-80714\nhttps://ubuntu.com/security/CVE-2026-80714\nhttps://vuldb.com/vuln/396644\nhttps://wiki.astralinux.ru/astra-linux-se17-bulletin-2026-0911SE17HF\nhttps://www.linuxkernelcves.com/cves/CVE-2026-80714",
  "\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-416, CWE-825",
  "\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": "\u041a\u0440\u0438\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 (\u0431\u0430\u0437\u043e\u0432\u0430\u044f \u043e\u0446\u0435\u043d\u043a\u0430 CVSS 2.0 \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 10)\n\u041a\u0440\u0438\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 (\u0431\u0430\u0437\u043e\u0432\u0430\u044f \u043e\u0446\u0435\u043d\u043a\u0430 CVSS 3.1 \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 9,8)\n\u041d\u0435\u0442 \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 (\u043e\u0446\u0435\u043d\u043a\u0430 CVSS 4.0 \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 0)"
}

CVE-2026-80714 (GCVE-0-2026-80714)

Vulnerability from cvelistv5 – Published: 2026-08-28 06:53 – Updated: 2026-08-29 06:22

Title

ipvs: do not propagate one-packet flag to synced conns

Summary

In the Linux kernel, the following vulnerability has been resolved: ipvs: do not propagate one-packet flag to synced conns Synced connections can be created before their destination exists. When the destination is later added, ip_vs_bind_dest() copies connection flags from the destination into cp->flags. IP_VS_CONN_F_ONE_PACKET connections are not synced. If a synced connection inherits IP_VS_CONN_F_ONE_PACKET while it is already hashed, expiry can treat it as a one-packet connection and skip unlinking the existing conn_tab node, leaving stale hash nodes pointing at a freed struct ip_vs_conn. Drop IP_VS_CONN_F_ONE_PACKET from destination flags when binding synced connections.

Severity

9.8 (Critical)


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

Assigner

Linux mitre root

References

8 references

URL	Tags
https://git.kernel.org/stable/c/06d1d9b56ef8132fb…
https://git.kernel.org/stable/c/acbdc276091b308ca…
https://git.kernel.org/stable/c/300348e3ba1521b00…
https://git.kernel.org/stable/c/44af98cc7d5ef8e73…
https://git.kernel.org/stable/c/4649e6faeecdc2d44…
https://git.kernel.org/stable/c/b5ee5b266f833601a…
https://git.kernel.org/stable/c/e7acfc990c29890c8…
https://git.kernel.org/stable/c/a63d2dbaeb50a85d4…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 26ec037f9841e49cc5c615deb8e1e73e5beab2ca , < 06d1d9b56ef8132fbf85006885eb43d9510b8b02 (git) Affected: 26ec037f9841e49cc5c615deb8e1e73e5beab2ca , < acbdc276091b308ca7794acb86e761f8203e2f59 (git) Affected: 26ec037f9841e49cc5c615deb8e1e73e5beab2ca , < 300348e3ba1521b003d59825f97e24f9a6859688 (git) Affected: 26ec037f9841e49cc5c615deb8e1e73e5beab2ca , < 44af98cc7d5ef8e730488d5df1eecd5deeaa5947 (git) Affected: 26ec037f9841e49cc5c615deb8e1e73e5beab2ca , < 4649e6faeecdc2d44bfa6ccbe405eef27e55d816 (git) Affected: 26ec037f9841e49cc5c615deb8e1e73e5beab2ca , < b5ee5b266f833601ac4817f6df0bc496fc376a28 (git) Affected: 26ec037f9841e49cc5c615deb8e1e73e5beab2ca , < e7acfc990c29890c883d0d0ce3f737d003a43b44 (git) Affected: 26ec037f9841e49cc5c615deb8e1e73e5beab2ca , < a63d2dbaeb50a85d4c976b15a36e6b0c7113db5b (git)
Linux	Linux	Affected: 2.6.36 Unaffected: 0 , < 2.6.36 (semver) Unaffected: 5.10.265 , ≤ 5.10.* (semver) Unaffected: 5.15.216 , ≤ 5.15.* (semver) Unaffected: 6.1.183 , ≤ 6.1.* (semver) Unaffected: 6.6.151 , ≤ 6.6.* (semver) Unaffected: 6.12.103 , ≤ 6.12.* (semver) Unaffected: 6.18.44 , ≤ 6.18.* (semver) Unaffected: 7.1.8 , ≤ 7.1.* (semver) Unaffected: 7.2 , ≤ * (original_commit_for_fix)

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "net/netfilter/ipvs/ip_vs_conn.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "06d1d9b56ef8132fbf85006885eb43d9510b8b02",
              "status": "affected",
              "version": "26ec037f9841e49cc5c615deb8e1e73e5beab2ca",
              "versionType": "git"
            },
            {
              "lessThan": "acbdc276091b308ca7794acb86e761f8203e2f59",
              "status": "affected",
              "version": "26ec037f9841e49cc5c615deb8e1e73e5beab2ca",
              "versionType": "git"
            },
            {
              "lessThan": "300348e3ba1521b003d59825f97e24f9a6859688",
              "status": "affected",
              "version": "26ec037f9841e49cc5c615deb8e1e73e5beab2ca",
              "versionType": "git"
            },
            {
              "lessThan": "44af98cc7d5ef8e730488d5df1eecd5deeaa5947",
              "status": "affected",
              "version": "26ec037f9841e49cc5c615deb8e1e73e5beab2ca",
              "versionType": "git"
            },
            {
              "lessThan": "4649e6faeecdc2d44bfa6ccbe405eef27e55d816",
              "status": "affected",
              "version": "26ec037f9841e49cc5c615deb8e1e73e5beab2ca",
              "versionType": "git"
            },
            {
              "lessThan": "b5ee5b266f833601ac4817f6df0bc496fc376a28",
              "status": "affected",
              "version": "26ec037f9841e49cc5c615deb8e1e73e5beab2ca",
              "versionType": "git"
            },
            {
              "lessThan": "e7acfc990c29890c883d0d0ce3f737d003a43b44",
              "status": "affected",
              "version": "26ec037f9841e49cc5c615deb8e1e73e5beab2ca",
              "versionType": "git"
            },
            {
              "lessThan": "a63d2dbaeb50a85d4c976b15a36e6b0c7113db5b",
              "status": "affected",
              "version": "26ec037f9841e49cc5c615deb8e1e73e5beab2ca",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "net/netfilter/ipvs/ip_vs_conn.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "2.6.36"
            },
            {
              "lessThan": "2.6.36",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.265",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.216",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.183",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.151",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.103",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.44",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.1.*",
              "status": "unaffected",
              "version": "7.1.8",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.2",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.10.265",
                  "versionStartIncluding": "2.6.36",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.216",
                  "versionStartIncluding": "2.6.36",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.183",
                  "versionStartIncluding": "2.6.36",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.151",
                  "versionStartIncluding": "2.6.36",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.103",
                  "versionStartIncluding": "2.6.36",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.44",
                  "versionStartIncluding": "2.6.36",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.1.8",
                  "versionStartIncluding": "2.6.36",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.2",
                  "versionStartIncluding": "2.6.36",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nipvs: do not propagate one-packet flag to synced conns\n\nSynced connections can be created before their destination exists. When\nthe destination is later added, ip_vs_bind_dest() copies connection flags\nfrom the destination into cp-\u003eflags.\n\nIP_VS_CONN_F_ONE_PACKET connections are not synced. If a synced\nconnection inherits IP_VS_CONN_F_ONE_PACKET while it is already hashed,\nexpiry can treat it as a one-packet connection and skip unlinking the\nexisting conn_tab node, leaving stale hash nodes pointing at a freed\nstruct ip_vs_conn.\n\nDrop IP_VS_CONN_F_ONE_PACKET from destination flags when binding synced\nconnections."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "scenarios": [
            {
              "lang": "en",
              "value": "AV:N - The bug is reached on IPVS backup nodes processing UDP sync datagrams in ip_vs_process_message()/ip_vs_proc_conn() (default multicast 224.0.0.81:8848), and on internet-facing load balancers client UDP traffic drives master sync that creates the hashed backup connection before destination bind.\nAC:L - An attacker can reliably inject or refresh IPVS sync records for UDP connections whose destination is not yet present, then trigger ip_vs_try_bind_dest() once a ONEPACKET destination exists; only optional syncid filtering (often 0) is outside attacker control, and connection expiry is timer-driven without a race.\nPR:N - The backup sync receiver accepts unauthenticated UDP multicast with no capability checks in ip_vs_receive()/ip_vs_process_message(); configuring IPVS/ONEPACKET is an environmental precondition on HA load balancers, not a privilege the remote attacker must hold on the victim host.\nUI:N - Exploitation requires no victim or administrator action at trigger time beyond normal HA IPVS operation; forged or reflected sync traffic and subsequent connection expiry directly invoke the vulnerable bind/unlink path without user interaction.\nS:U - Impact is confined to the kernel IPVS connection table on the affected load-balancer node (stale hash entries to a freed struct ip_vs_conn); it does not cross a VM, container, or IOMMU security boundary.\nC:H - Incorrect ONE_PACKET handling leaves hashed conn_tab nodes pointing at a freed struct ip_vs_conn; subsequent lookups in __ip_vs_conn_in_get() dereference freed slab memory, giving a use-after-free read primitive and potential kernel pointer/data disclosure.\nI:H - The same use-after-free lets attackers influence reuse of the freed ip_vs_conn object and corrupt connection state during later hash-table operations, enabling memory corruption exploitable for arbitrary kernel writes or control-flow hijacking.\nA:H - Dereferencing stale conn_tab entries for a freed connection causes kernel oops/panic; the condition is repeatable by sending additional sync traffic to recreate and expire affected UDP synced connections on the backup node."
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-29T06:22:30.808Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/06d1d9b56ef8132fbf85006885eb43d9510b8b02"
        },
        {
          "url": "https://git.kernel.org/stable/c/acbdc276091b308ca7794acb86e761f8203e2f59"
        },
        {
          "url": "https://git.kernel.org/stable/c/300348e3ba1521b003d59825f97e24f9a6859688"
        },
        {
          "url": "https://git.kernel.org/stable/c/44af98cc7d5ef8e730488d5df1eecd5deeaa5947"
        },
        {
          "url": "https://git.kernel.org/stable/c/4649e6faeecdc2d44bfa6ccbe405eef27e55d816"
        },
        {
          "url": "https://git.kernel.org/stable/c/b5ee5b266f833601ac4817f6df0bc496fc376a28"
        },
        {
          "url": "https://git.kernel.org/stable/c/e7acfc990c29890c883d0d0ce3f737d003a43b44"
        },
        {
          "url": "https://git.kernel.org/stable/c/a63d2dbaeb50a85d4c976b15a36e6b0c7113db5b"
        }
      ],
      "title": "ipvs: do not propagate one-packet flag to synced conns",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-80714",
    "datePublished": "2026-08-28T06:53:13.069Z",
    "dateReserved": "2026-08-26T14:34:25.788Z",
    "dateUpdated": "2026-08-29T06:22:30.808Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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.

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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:2026-14711 (CVE-2026-80714)

CVE-2026-80714 (GCVE-0-2026-80714)

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