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CVE-2021-46911

Опубликовано: 27 фев. 2024
Источник: redhat
CVSS3: 4.4
EPSS Низкий

Описание

In the Linux kernel, the following vulnerability has been resolved: ch_ktls: Fix kernel panic Taking page refcount is not ideal and causes kernel panic sometimes. It's better to take tx_ctx lock for the complete skb transmit, to avoid page cleanup if ACK received in middle.

A flaw was found in ch_ktls in the Linux Kernel. This issue occurs due to a missing synchronization lock, which may cause a denial of service while doing page cleanup.

Затронутые пакеты

ПлатформаПакетСостояниеРекомендацияРелиз
Red Hat Enterprise Linux 6kernelUnder investigation
Red Hat Enterprise Linux 7kernelUnder investigation
Red Hat Enterprise Linux 7kernel-rtUnder investigation
Red Hat Enterprise Linux 8kernelNot affected
Red Hat Enterprise Linux 8kernel-rtNot affected
Red Hat Enterprise Linux 9kernelNot affected
Red Hat Enterprise Linux 9kernel-rtNot affected

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Дополнительная информация

Статус:

Low
Дефект:
CWE-20
https://bugzilla.redhat.com/show_bug.cgi?id=2266422kernel: denial of service in ch_ktls

EPSS

Процентиль: 3%
0.00017
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: ch_ktls: Fix kernel panic Taking page refcount is not ideal and causes kernel panic sometimes. It's better to take tx_ctx lock for the complete skb transmit, to avoid page cleanup if ACK received in middle.

CVSS3: 5.5
nvd
больше 1 года назад

In the Linux kernel, the following vulnerability has been resolved: ch_ktls: Fix kernel panic Taking page refcount is not ideal and causes kernel panic sometimes. It's better to take tx_ctx lock for the complete skb transmit, to avoid page cleanup if ACK received in middle.

CVSS3: 5.5
debian
больше 1 года назад

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

CVSS3: 5.5
github
больше 1 года назад

In the Linux kernel, the following vulnerability has been resolved: ch_ktls: Fix kernel panic Taking page refcount is not ideal and causes kernel panic sometimes. It's better to take tx_ctx lock for the complete skb transmit, to avoid page cleanup if ACK received in middle.

CVSS3: 5.5
fstec
около 1 года назад

Уязвимость компонента ch_ktls ядра операционной системы Linux, позволяющая нарушителю вызвать отказ в обслуживании

EPSS

Процентиль: 3%
0.00017
Низкий

4.4 Medium

CVSS3