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CVE-2026-80998

Опубликовано: 14 сент. 2026
Источник: ubuntu
Приоритет: medium
EPSS Низкий
CVSS3: 7.5

Описание

In the Linux kernel, the following vulnerability has been resolved: net: bnxt: ring the doorbell when SW USO exits early When a burst of packets is handed down to the driver, the driver defers the doorbell to the end by setting txr->kick_pending = 1. The normal TX path handles this, but the SW USO path can miss it if it returns early. If bnxt_sw_udp_gso_xmit runs but returns early with NETDEV_TX_BUSY and txr->kick_pending was previously set to 1, then the TX queue can stall because the driver wrote some BDs but never wrote the doorbell. The device won't know to do the TX which would generate the completion that would wake the queue back up. Simplify bnxt_sw_udp_gso_xmit to set txr->kick_pending in its success case and check the flag on return. The added check after bnxt_sw_udp_gso_xmit returns ensures that any pending doorbells are written handling both successful USO and any early returns, which prevents the TX queue stall mentioned above. This TX queue stall was observed on a prod...

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noble

DNE

resolute

DNE

upstream

needs-triage

Показывать по

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DNE

jammy

DNE

noble

needs-triage

resolute

DNE

upstream

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DNE

esm-infra-legacy/xenial

ignored

superseded by linux-hwe
esm-infra/bionic

ignored

superseded by linux-hwe-5.4
jammy

DNE

noble

DNE

resolute

DNE

upstream

ignored

end of life

Показывать по

РелизСтатусПримечание
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needs-triage

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DNE

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needs-triage

jammy

DNE

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DNE

resolute

DNE

upstream

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Показывать по

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DNE

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jammy

DNE

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DNE

resolute

DNE

upstream

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Показывать по

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DNE

jammy

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DNE

resolute

DNE

upstream

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DNE

esm-infra/focal

ignored

end of kernel support
jammy

DNE

noble

DNE

resolute

DNE

upstream

ignored

end of life

Показывать по

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DNE

jammy

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superseded by Ubuntu Pro ppa version
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DNE

realtime/jammy

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DNE

upstream

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DNE

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DNE

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jammy

DNE

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resolute

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Показывать по

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DNE

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DNE

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resolute

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Показывать по

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DNE

esm-infra-legacy/xenial

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jammy

needs-triage

noble

DNE

resolute

DNE

upstream

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Показывать по

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DNE

jammy

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DNE

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jammy

DNE

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DNE

resolute

DNE

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DNE

jammy

ignored

superseded by linux-lowlatency-hwe-6.2
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DNE

resolute

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upstream

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superseded by linux-lowlatency-hwe-6.2

Показывать по

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DNE

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DNE

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DNE

jammy

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superseded by linux-lowlatency-hwe-6.5
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DNE

resolute

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upstream

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superseded by linux-lowlatency-hwe-6.5

Показывать по

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DNE

jammy

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superseded by linux-lowlatency-hwe-6.8
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DNE

resolute

DNE

upstream

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superseded by linux-lowlatency-hwe-6.8

Показывать по

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DNE

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DNE

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end of kernel support
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DNE

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end of kernel support

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DNE

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superseded by linux-nvidia-6.5
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DNE

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DNE

resolute

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DNE

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DNE

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Показывать по

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DNE

esm-infra/bionic

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DNE

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end of life

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DNE

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Показывать по

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DNE

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DNE

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superseded by linux-oem-5.14

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DNE

esm-infra/focal

ignored

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DNE

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resolute

DNE

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replaced by linux-hwe-5.15

Показывать по

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DNE

jammy

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superseded by linux-oem-6.1
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DNE

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Показывать по

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DNE

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Показывать по

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DNE

jammy

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Показывать по

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DNE

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DNE

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superseded by linux-oem-6.5

Показывать по

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DNE

jammy

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resolute

DNE

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Показывать по

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DNE

jammy

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Показывать по

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DNE

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Показывать по

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needs-triage

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Показывать по

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DNE

esm-infra/bionic

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DNE

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Показывать по

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resolute

DNE

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Показывать по

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DNE

esm-infra/focal

ignored

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jammy

DNE

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DNE

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superseded by linux-oracle-5.15

Показывать по

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esm-infra/bionic

ignored

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DNE

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DNE

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Показывать по

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DNE

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Показывать по

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DNE

esm-infra/focal

ignored

superseded by linux-oracle-5.11
jammy

DNE

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DNE

resolute

DNE

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superseded by linux-oracle-5.11

Показывать по

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noble

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DNE

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jammy

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DNE

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Показывать по

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devel

DNE

jammy

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superseded by linux-oracle-6.8
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DNE

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DNE

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superseded by linux-oracle-6.8

Показывать по

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DNE

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DNE

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jammy

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upstream

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Показывать по

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Показывать по

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devel

DNE

jammy

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noble

ignored

superseded by Ubuntu Pro ppa version
realtime/noble

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DNE

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Показывать по

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DNE

esm-infra/focal

ignored

replaced by linux-raspi
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DNE

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replaced by linux-raspi

Показывать по

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ignored

superseded by Ubuntu Pro ppa version
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ignored

superseded by Ubuntu Pro ppa version
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needs-triage

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needs-triage

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Показывать по

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DNE

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Показывать по

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ignored

superseded by linux-riscv-5.8
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ignored

end of kernel support
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replaced by linux-riscv-6.14
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ignored

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Показывать по

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Показывать по

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DNE

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end of kernel support
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DNE

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end of life

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superseded by linux-riscv-5.11
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DNE

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superseded by linux-riscv-5.11

Показывать по

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Показывать по

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Показывать по

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end of kernel support
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end of kernel support
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Показывать по

EPSS

Процентиль: 39%
0.00467
Низкий

7.5 High

CVSS3

Связанные уязвимости

CVSS3: 5.9
redhat
5 дней назад

In the Linux kernel, the following vulnerability has been resolved: net: bnxt: ring the doorbell when SW USO exits early When a burst of packets is handed down to the driver, the driver defers the doorbell to the end by setting txr->kick_pending = 1. The normal TX path handles this, but the SW USO path can miss it if it returns early. If bnxt_sw_udp_gso_xmit runs but returns early with NETDEV_TX_BUSY and txr->kick_pending was previously set to 1, then the TX queue can stall because the driver wrote some BDs but never wrote the doorbell. The device won't know to do the TX which would generate the completion that would wake the queue back up. Simplify bnxt_sw_udp_gso_xmit to set txr->kick_pending in its success case and check the flag on return. The added check after bnxt_sw_udp_gso_xmit returns ensures that any pending doorbells are written handling both successful USO and any early returns, which prevents the TX queue stall mentioned above. This TX queue stall was observed on a prod...

CVSS3: 7.5
nvd
5 дней назад

In the Linux kernel, the following vulnerability has been resolved: net: bnxt: ring the doorbell when SW USO exits early When a burst of packets is handed down to the driver, the driver defers the doorbell to the end by setting txr->kick_pending = 1. The normal TX path handles this, but the SW USO path can miss it if it returns early. If bnxt_sw_udp_gso_xmit runs but returns early with NETDEV_TX_BUSY and txr->kick_pending was previously set to 1, then the TX queue can stall because the driver wrote some BDs but never wrote the doorbell. The device won't know to do the TX which would generate the completion that would wake the queue back up. Simplify bnxt_sw_udp_gso_xmit to set txr->kick_pending in its success case and check the flag on return. The added check after bnxt_sw_udp_gso_xmit returns ensures that any pending doorbells are written handling both successful USO and any early returns, which prevents the TX queue stall mentioned above. This TX queue stall was observed on a pr

CVSS3: 7.5
debian
5 дней назад

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

CVSS3: 7.5
github
5 дней назад

In the Linux kernel, the following vulnerability has been resolved: net: bnxt: ring the doorbell when SW USO exits early When a burst of packets is handed down to the driver, the driver defers the doorbell to the end by setting txr->kick_pending = 1. The normal TX path handles this, but the SW USO path can miss it if it returns early. If bnxt_sw_udp_gso_xmit runs but returns early with NETDEV_TX_BUSY and txr->kick_pending was previously set to 1, then the TX queue can stall because the driver wrote some BDs but never wrote the doorbell. The device won't know to do the TX which would generate the completion that would wake the queue back up. Simplify bnxt_sw_udp_gso_xmit to set txr->kick_pending in its success case and check the flag on return. The added check after bnxt_sw_udp_gso_xmit returns ensures that any pending doorbells are written handling both successful USO and any early returns, which prevents the TX queue stall mentioned above. This TX queue stall was observed on a...

EPSS

Процентиль: 39%
0.00467
Низкий

7.5 High

CVSS3

Уязвимость CVE-2026-80998