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CVE-2026-84042

Опубликовано: 10 сент. 2026
Источник: redhat
CVSS3: 7.8
EPSS Низкий

Описание

A flaw was found in crun. When crun is built with libkrun and a container is started rootful with passt networking (krun.use_passt), crun can execute attacker-controlled payload from the container image with host root privileges. The issue is a regression in crun 1.29. It affects crun >= 1.29

Отчет

This issue is a regression in crun 1.29 and requires the krun handler with passt networking.

Меры по смягчению последствий

Do not run untrusted images with krun and passt until a fixed crun is released.

Затронутые пакеты

ПлатформаПакетСостояниеРекомендацияРелиз
Red Hat Hardened ImagescrunNot affected

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Дополнительная информация

Статус:

Important
Дефект:
CWE-269
https://bugzilla.redhat.com/show_bug.cgi?id=2531222crun: crun: rootful krun with passt executes container payload as host root

EPSS

Процентиль: 1%
0.001
Низкий

7.8 High

CVSS3

Связанные уязвимости

CVSS3: 7.8
ubuntu
6 дней назад

(A flaw was found in crun. When crun is built with libkrun and a contai ...)

CVSS3: 7.8
nvd
6 дней назад

A flaw was found in crun. When crun is built with libkrun and a container is started rootful with passt networking (krun.use_passt), crun can execute attacker-controlled payload from the container image with host root privileges. The issue is a regression in crun 1.29. It affects crun >= 1.29

CVSS3: 7.8
debian
6 дней назад

A flaw was found in crun. When crun is built with libkrun and a contai ...

CVSS3: 7.8
github
6 дней назад

A flaw was found in crun. When crun is built with libkrun and a container is started rootful with passt networking (krun.use_passt), crun can execute attacker-controlled payload from the container image with host root privileges. The issue is a regression in crun 1.29. It affects crun >= 1.29

EPSS

Процентиль: 1%
0.001
Низкий

7.8 High

CVSS3