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CVE-2021-47367

Опубликовано: 21 мая 2024
Источник: redhat
CVSS3: 4.4
EPSS Низкий

Описание

In the Linux kernel, the following vulnerability has been resolved: virtio-net: fix pages leaking when building skb in big mode We try to use build_skb() if we had sufficient tailroom. But we forget to release the unused pages chained via private in big mode which will leak pages. Fixing this by release the pages after building the skb in big mode.

Затронутые пакеты

ПлатформаПакетСостояниеРекомендацияРелиз
Red Hat Enterprise Linux 6kernelOut of support scope
Red Hat Enterprise Linux 7kernelOut of support scope
Red Hat Enterprise Linux 7kernel-rtOut of support scope
Red Hat Enterprise Linux 8kernelAffected
Red Hat Enterprise Linux 8kernel-rtAffected
Red Hat Enterprise Linux 9kernelNot affected
Red Hat Enterprise Linux 9kernel-rtNot affected

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Дополнительная информация

Статус:

Low
Дефект:
CWE-402
https://bugzilla.redhat.com/show_bug.cgi?id=2282379kernel: virtio-net: fix pages leaking when building skb in big mode

EPSS

Процентиль: 2%
0.00014
Низкий

4.4 Medium

CVSS3

Связанные уязвимости

CVSS3: 5.5
ubuntu
больше 1 года назад

In the Linux kernel, the following vulnerability has been resolved: virtio-net: fix pages leaking when building skb in big mode We try to use build_skb() if we had sufficient tailroom. But we forget to release the unused pages chained via private in big mode which will leak pages. Fixing this by release the pages after building the skb in big mode.

CVSS3: 5.5
nvd
больше 1 года назад

In the Linux kernel, the following vulnerability has been resolved: virtio-net: fix pages leaking when building skb in big mode We try to use build_skb() if we had sufficient tailroom. But we forget to release the unused pages chained via private in big mode which will leak pages. Fixing this by release the pages after building the skb in big mode.

CVSS3: 5.5
debian
больше 1 года назад

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

CVSS3: 5.5
github
больше 1 года назад

In the Linux kernel, the following vulnerability has been resolved: virtio-net: fix pages leaking when building skb in big mode We try to use build_skb() if we had sufficient tailroom. But we forget to release the unused pages chained via private in big mode which will leak pages. Fixing this by release the pages after building the skb in big mode.

CVSS3: 5.5
fstec
больше 4 лет назад

Уязвимость функции page_to_skb() модуля drivers/net/virtio_net.c - драйвера поддержки сетевых адаптеров ядра операционной системы Linux, позволяющая нарушителю получить доступ к защищаемой информации

EPSS

Процентиль: 2%
0.00014
Низкий

4.4 Medium

CVSS3