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CVE-2026-68321

Опубликовано: 10 авг. 2026
Источник: redhat
CVSS3: 5.5
EPSS Низкий

Описание

In the Linux kernel, the following vulnerability has been resolved: net: txgbe: fix FDIR filter leak on remove Perfect FDIR filters can be added while the interface is down and are kept on the software list for later restore. unregister_netdev() only calls ndo_stop when the device is up, so txgbe_fdir_filter_exit() in txgbe_close() is skipped in that case and the filters are leaked on driver remove. Free the filter list from txgbe_remove() as well.

A flaw was found in the Linux kernel. A resource leak vulnerability exists in the txgbe network driver. This flaw occurs because Flow Director (FDIR) filters are not properly freed when the network interface is removed while it is in a down state. This can lead to a gradual consumption of system resources, potentially resulting in a Denial of Service (DoS) over time.

Отчет

This issue affects Wangxun txgbe NICs. FDIR filters leak on driver remove when interface was down during unregister. Systems without txgbe hardware are not affected.

Меры по смягчению последствий

To mitigate this issue, prevent the txgbe module from loading. See https://access.redhat.com/solutions/41278 for instructions.

Затронутые пакеты

ПлатформаПакетСостояниеРекомендацияРелиз
Red Hat Enterprise Linux 10kernelNot affected
Red Hat Enterprise Linux 6kernelNot affected
Red Hat Enterprise Linux 7kernelNot affected
Red Hat Enterprise Linux 7kernel-rtNot affected
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
Red Hat Enterprise Linux for NVIDIA 26kernelOut of support scope
Red Hat OpenShift Container Platform 4rhcosNot affected

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Дополнительная информация

Статус:

Moderate
Дефект:
CWE-772
https://bugzilla.redhat.com/show_bug.cgi?id=2513184kernel: net: txgbe: fix FDIR filter leak on remove

EPSS

Процентиль: 10%
0.002
Низкий

5.5 Medium

CVSS3

Связанные уязвимости

ubuntu
22 дня назад

In the Linux kernel, the following vulnerability has been resolved: net: txgbe: fix FDIR filter leak on remove Perfect FDIR filters can be added while the interface is down and are kept on the software list for later restore. unregister_netdev() only calls ndo_stop when the device is up, so txgbe_fdir_filter_exit() in txgbe_close() is skipped in that case and the filters are leaked on driver remove. Free the filter list from txgbe_remove() as well.

nvd
22 дня назад

In the Linux kernel, the following vulnerability has been resolved: net: txgbe: fix FDIR filter leak on remove Perfect FDIR filters can be added while the interface is down and are kept on the software list for later restore. unregister_netdev() only calls ndo_stop when the device is up, so txgbe_fdir_filter_exit() in txgbe_close() is skipped in that case and the filters are leaked on driver remove. Free the filter list from txgbe_remove() as well.

debian
22 дня назад

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

github
22 дня назад

In the Linux kernel, the following vulnerability has been resolved: net: txgbe: fix FDIR filter leak on remove Perfect FDIR filters can be added while the interface is down and are kept on the software list for later restore. unregister_netdev() only calls ndo_stop when the device is up, so txgbe_fdir_filter_exit() in txgbe_close() is skipped in that case and the filters are leaked on driver remove. Free the filter list from txgbe_remove() as well.

EPSS

Процентиль: 10%
0.002
Низкий

5.5 Medium

CVSS3

Уязвимость CVE-2026-68321