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CVE-2025-39798

Опубликовано: 12 сент. 2025
Источник: redhat
CVSS3: 5.2
EPSS Низкий

Описание

In the Linux kernel, the following vulnerability has been resolved: NFS: Fix the setting of capabilities when automounting a new filesystem Capabilities cannot be inherited when we cross into a new filesystem. They need to be reset to the minimal defaults, and then probed for again.

Отчет

This vulnerability is rated as Moderate impact for Red Hat Enterprise Linux because exploitation requires traversing filesystem boundaries within an active NFS mount, restricting exposure to environments using NFS submounts or server junctions. Improper inheritance of filesystem capabilities when crossing into a newly mounted export can cause the kernel client to misinterpret server feature support, potentially leading to denial of service or unexpected access control evaluations. Because triggering this condition depends on specific multi-filesystem NFS configurations and does not permit direct remote code execution, risk to typical deployments is limited.

Затронутые пакеты

ПлатформаПакетСостояниеРекомендацияРелиз
Red Hat Enterprise Linux 10kernelFix deferred
Red Hat Enterprise Linux 6kernelOut of support scope
Red Hat Enterprise Linux 7kernelFix deferred
Red Hat Enterprise Linux 7kernel-rtFix deferred
Red Hat Enterprise Linux 8kernelFix deferred
Red Hat Enterprise Linux 8kernel-rtFix deferred
Red Hat Enterprise Linux 9kernelFix deferred
Red Hat Enterprise Linux 9kernel-rtFix deferred

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Дополнительная информация

Статус:

Moderate
Дефект:
CWE-270
https://bugzilla.redhat.com/show_bug.cgi?id=2400062kernel: NFS: Fix the setting of capabilities when automounting a new filesystem

EPSS

Процентиль: 20%
0.00278
Низкий

5.2 Medium

CVSS3

Связанные уязвимости

CVSS3: 5.5
ubuntu
около 1 года назад

In the Linux kernel, the following vulnerability has been resolved: NFS: Fix the setting of capabilities when automounting a new filesystem Capabilities cannot be inherited when we cross into a new filesystem. They need to be reset to the minimal defaults, and then probed for again.

CVSS3: 5.5
nvd
около 1 года назад

In the Linux kernel, the following vulnerability has been resolved: NFS: Fix the setting of capabilities when automounting a new filesystem Capabilities cannot be inherited when we cross into a new filesystem. They need to be reset to the minimal defaults, and then probed for again.

CVSS3: 4.4
msrc
10 месяцев назад

NFS: Fix the setting of capabilities when automounting a new filesystem

CVSS3: 5.5
debian
около 1 года назад

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

CVSS3: 5.5
github
около 1 года назад

In the Linux kernel, the following vulnerability has been resolved: NFS: Fix the setting of capabilities when automounting a new filesystem Capabilities cannot be inherited when we cross into a new filesystem. They need to be reset to the minimal defaults, and then probed for again.

EPSS

Процентиль: 20%
0.00278
Низкий

5.2 Medium

CVSS3