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fstec логотип

BDU:2026-12261

Опубликовано: 02 янв. 2023
Источник: fstec
CVSS3: 5.5
CVSS2: 4.6
EPSS Низкий

Описание

Уязвимость компонента net/netfilter/ipset ядра операционной системы Linux связана с неконтролируемым потреблением ресурсов в результате ошибок синхронизации. Эксплуатация уязвимости может позволить нарушителю вызвать отказ в обслуживании

Вендор

Red Hat Inc.
Canonical Ltd.
Сообщество свободного программного обеспечения

Наименование ПО

Red Hat Enterprise Linux
Ubuntu
Debian GNU/Linux
Linux

Версия ПО

8 (Red Hat Enterprise Linux)
20.04 LTS (Ubuntu)
11 (Debian GNU/Linux)
22.04 LTS (Ubuntu)
9 (Red Hat Enterprise Linux)
от 5.16 до 6.0.18 включительно (Linux)
от 6.1 до 6.1.4 включительно (Linux)
от 5.10.157 до 5.10.162 включительно (Linux)
от 5.13.14 до 5.15.86 включительно (Linux)

Тип ПО

Операционная система

Операционные системы и аппаратные платформы

Red Hat Inc. Red Hat Enterprise Linux 8
Canonical Ltd. Ubuntu 20.04 LTS
Сообщество свободного программного обеспечения Debian GNU/Linux 11
Canonical Ltd. Ubuntu 22.04 LTS
Red Hat Inc. Red Hat Enterprise Linux 9
Сообщество свободного программного обеспечения Linux от 5.16 до 6.0.18 включительно
Сообщество свободного программного обеспечения Linux от 6.1 до 6.1.4 включительно
Сообщество свободного программного обеспечения Linux от 5.10.157 до 5.10.162 включительно
Сообщество свободного программного обеспечения Linux от 5.13.14 до 5.15.86 включительно

Уровень опасности уязвимости

Средний уровень опасности (базовая оценка CVSS 2.0 составляет 4,6)
Средний уровень опасности (базовая оценка CVSS 3.1 составляет 5,5)

Возможные меры по устранению уязвимости

В условиях отсутствия обновлений безопасности от производителя рекомендуется придерживаться "Рекомендаций по безопасной настройке операционных систем LINUX", изложенных в методическом документе ФСТЭК России, утверждённом 25 декабря 2022 года.
Использование рекомендаций:
Для Linux:
https://git.kernel.org/stable/c/8964cc36ba011dc0e1041131fa2e91fb4c2a811b
https://git.kernel.org/stable/c/a1e1521b463968b4eca7163f61fb6cc54d008061
https://git.kernel.org/stable/c/24a828f5a54bdeca0846526860d72b3766c5fe95
https://git.kernel.org/stable/c/ee756980e491c829ba0495bb420b7224a9ee26b2
https://git.kernel.org/linus/5e29dc36bd5e2166b834ceb19990d9e68a734d7d
Для Debian GNU/Linux:
https://security-tracker.debian.org/tracker/CVE-2023-53549
Для программных продуктов Red Hat Inc.:
https://access.redhat.com/security/cve/CVE-2023-53549
Для Ubuntu:
https://ubuntu.com/security/CVE-2023-53549

Статус уязвимости

Подтверждена производителем

Наличие эксплойта

Данные уточняются

Информация об устранении

Уязвимость устранена

Идентификаторы других систем описаний уязвимостей

EPSS

Процентиль: 3%
0.00125
Низкий

5.5 Medium

CVSS3

4.6 Medium

CVSS2

Связанные уязвимости

CVSS3: 5.5
ubuntu
11 месяцев назад

In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: Rework long task execution when adding/deleting entries When adding/deleting large number of elements in one step in ipset, it can take a reasonable amount of time and can result in soft lockup errors. The patch 5f7b51bf09ba ("netfilter: ipset: Limit the maximal range of consecutive elements to add/delete") tried to fix it by limiting the max elements to process at all. However it was not enough, it is still possible that we get hung tasks. Lowering the limit is not reasonable, so the approach in this patch is as follows: rely on the method used at resizing sets and save the state when we reach a smaller internal batch limit, unlock/lock and proceed from the saved state. Thus we can avoid long continuous tasks and at the same time removed the limit to add/delete large number of elements in one step. The nfnl mutex is held during the whole operation which prevents one to issue other ipset commands i...

CVSS3: 5.5
redhat
11 месяцев назад

In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: Rework long task execution when adding/deleting entries When adding/deleting large number of elements in one step in ipset, it can take a reasonable amount of time and can result in soft lockup errors. The patch 5f7b51bf09ba ("netfilter: ipset: Limit the maximal range of consecutive elements to add/delete") tried to fix it by limiting the max elements to process at all. However it was not enough, it is still possible that we get hung tasks. Lowering the limit is not reasonable, so the approach in this patch is as follows: rely on the method used at resizing sets and save the state when we reach a smaller internal batch limit, unlock/lock and proceed from the saved state. Thus we can avoid long continuous tasks and at the same time removed the limit to add/delete large number of elements in one step. The nfnl mutex is held during the whole operation which prevents one to issue other ipset commands i...

CVSS3: 5.5
nvd
11 месяцев назад

In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: Rework long task execution when adding/deleting entries When adding/deleting large number of elements in one step in ipset, it can take a reasonable amount of time and can result in soft lockup errors. The patch 5f7b51bf09ba ("netfilter: ipset: Limit the maximal range of consecutive elements to add/delete") tried to fix it by limiting the max elements to process at all. However it was not enough, it is still possible that we get hung tasks. Lowering the limit is not reasonable, so the approach in this patch is as follows: rely on the method used at resizing sets and save the state when we reach a smaller internal batch limit, unlock/lock and proceed from the saved state. Thus we can avoid long continuous tasks and at the same time removed the limit to add/delete large number of elements in one step. The nfnl mutex is held during the whole operation which prevents one to issue other ipset commands i

CVSS3: 5.5
debian
11 месяцев назад

In the Linux kernel, the following vulnerability has been resolved: n ...

CVSS3: 5.5
github
11 месяцев назад

In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: Rework long task execution when adding/deleting entries When adding/deleting large number of elements in one step in ipset, it can take a reasonable amount of time and can result in soft lockup errors. The patch 5f7b51bf09ba ("netfilter: ipset: Limit the maximal range of consecutive elements to add/delete") tried to fix it by limiting the max elements to process at all. However it was not enough, it is still possible that we get hung tasks. Lowering the limit is not reasonable, so the approach in this patch is as follows: rely on the method used at resizing sets and save the state when we reach a smaller internal batch limit, unlock/lock and proceed from the saved state. Thus we can avoid long continuous tasks and at the same time removed the limit to add/delete large number of elements in one step. The nfnl mutex is held during the whole operation which prevents one to issue other ipset command...

EPSS

Процентиль: 3%
0.00125
Низкий

5.5 Medium

CVSS3

4.6 Medium

CVSS2