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CVE-2026-42492

Опубликовано: 29 июл. 2026
Источник: ubuntu
Приоритет: medium
EPSS Низкий
CVSS3: 7.5

Описание

(Xenstore, to have an up-to-date picture of the entire system, wants to ...)

РелизСтатусПримечание
devel

needs-triage

esm-apps/focal

needs-triage

esm-apps/jammy

needs-triage

esm-apps/noble

needs-triage

esm-apps/resolute

needs-triage

esm-infra-legacy/xenial

needs-triage

esm-infra/bionic

needs-triage

jammy

needs-triage

noble

needs-triage

resolute

needs-triage

Показывать по

EPSS

Процентиль: 39%
0.00477
Низкий

7.5 High

CVSS3

Связанные уязвимости

CVSS3: 7.5
nvd
3 дня назад

Xenstore, to have an up-to-date picture of the entire system, wants to know of domains appearing and disappearing. To make this more robust, a new XEN_DOMCTL_get_domain_state was introduced. The management of the bitmap underlying that operation is tied into the binding of the VIRQ_DOM_EXC virtual IRQ. Unfortunately an error path there would tear down the bitmap even in cases when it wasn't set up. Unprivileged domains can trigger that error path.

CVSS3: 7.5
debian
3 дня назад

Xenstore, to have an up-to-date picture of the entire system, wants to ...

CVSS3: 7.5
github
3 дня назад

Xenstore, to have an up-to-date picture of the entire system, wants to know of domains appearing and disappearing. To make this more robust, a new XEN_DOMCTL_get_domain_state was introduced. The management of the bitmap underlying that operation is tied into the binding of the VIRQ_DOM_EXC virtual IRQ. Unfortunately an error path there would tear down the bitmap even in cases when it wasn't set up. Unprivileged domains can trigger that error path.

EPSS

Процентиль: 39%
0.00477
Низкий

7.5 High

CVSS3