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CVE-2026-89479

Опубликовано: 14 сент. 2026
Источник: ubuntu
Приоритет: medium
EPSS Низкий
CVSS3: 9.8

Описание

In the Linux kernel, the following vulnerability has been resolved: sctp: stop processing a packet once its association is deleted sctp_endpoint_bh_rcv() looks the association up only when chunk->asoc is NULL, and caches the result in chunk->asoc and chunk->transport without taking a reference. A packet that matches no association is handed to the endpoint, so a peer can bundle COOKIE ECHO, SHUTDOWN and SHUTDOWN ACK in one packet. The COOKIE ECHO creates the association, the SHUTDOWN chunk caches it, and with the outqueue empty the SHUTDOWN ACK reaches sctp_sf_do_9_2_final(), so the association and its transports are freed. The endpoint loop has no counterpart to the asoc->base.dead check in sctp_assoc_bh_rcv(). The next chunk writes to last_time_heard in the freed transport and is then passed to sctp_do_sm() with the freed association. The transport is freed through RCU, so this needs the packet to come off the socket backlog, where the loop runs in task context. The endpoint loop ...

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DNE

resolute

DNE

upstream

needs-triage

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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superseded by linux-hwe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superseded by linux-hwe-5.4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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needs-triage

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needs-triage

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needs-triage

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needs-triage

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DNE

esm-infra/focal

needs-triage

jammy

DNE

noble

DNE

resolute

DNE

upstream

needs-triage

Показывать по

РелизСтатусПримечание
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DNE

esm-infra/bionic

needs-triage

jammy

DNE

noble

DNE

resolute

DNE

upstream

needs-triage

Показывать по

РелизСтатусПримечание
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DNE

jammy

needs-triage

noble

DNE

resolute

DNE

upstream

needs-triage

Показывать по

РелизСтатусПримечание
devel

DNE

esm-infra/focal

ignored

end of kernel support
jammy

DNE

noble

DNE

resolute

DNE

upstream

ignored

end of life

Показывать по

РелизСтатусПримечание
devel

DNE

jammy

ignored

superseded by Ubuntu Pro ppa version
noble

DNE

realtime/jammy

needs-triage

resolute

DNE

upstream

needs-triage

Показывать по

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DNE

jammy

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noble

DNE

resolute

DNE

upstream

needs-triage

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DNE

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needs-triage

jammy

DNE

noble

DNE

resolute

DNE

upstream

needs-triage

Показывать по

РелизСтатусПримечание
devel

DNE

esm-infra/focal

needs-triage

jammy

DNE

noble

DNE

resolute

DNE

upstream

needs-triage

Показывать по

РелизСтатусПримечание
devel

DNE

esm-infra-legacy/xenial

needs-triage

esm-infra/bionic

needs-triage

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needs-triage

jammy

needs-triage

noble

DNE

resolute

DNE

upstream

needs-triage

Показывать по

РелизСтатусПримечание
devel

DNE

jammy

needs-triage

noble

needs-triage

resolute

DNE

upstream

needs-triage

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РелизСтатусПримечание
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DNE

esm-infra/focal

needs-triage

jammy

DNE

noble

DNE

resolute

DNE

upstream

needs-triage

Показывать по

РелизСтатусПримечание
devel

DNE

jammy

ignored

superseded by linux-lowlatency-hwe-6.2
noble

DNE

resolute

DNE

upstream

ignored

superseded by linux-lowlatency-hwe-6.2

Показывать по

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DNE

jammy

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noble

ignored

replaced by linux-hwe-6.14
resolute

DNE

upstream

ignored

replaced by linux-hwe-6.14

Показывать по

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devel

DNE

jammy

ignored

superseded by linux-lowlatency-hwe-6.5
noble

DNE

resolute

DNE

upstream

ignored

superseded by linux-lowlatency-hwe-6.5

Показывать по

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devel

DNE

jammy

ignored

superseded by linux-lowlatency-hwe-6.8
noble

DNE

resolute

DNE

upstream

ignored

superseded by linux-lowlatency-hwe-6.8

Показывать по

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DNE

jammy

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noble

DNE

resolute

DNE

upstream

needs-triage

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DNE

esm-infra-legacy/trusty

needs-triage

jammy

DNE

noble

DNE

resolute

DNE

upstream

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Показывать по

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DNE

jammy

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needs-triage

resolute

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upstream

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DNE

jammy

DNE

noble

ignored

end of kernel support
resolute

DNE

upstream

ignored

end of kernel support

Показывать по

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DNE

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DNE

jammy

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superseded by linux-nvidia-6.5
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DNE

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DNE

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ignored

superseded by linux-nvidia-6.5

Показывать по

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jammy

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superseded by linux-nvidia-6.8
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DNE

resolute

DNE

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superseded by linux-nvidia-6.8

Показывать по

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jammy

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DNE

resolute

DNE

upstream

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DNE

jammy

DNE

noble

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resolute

DNE

upstream

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Показывать по

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devel

DNE

jammy

DNE

noble

DNE

resolute

needs-triage

upstream

needs-triage

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DNE

jammy

DNE

noble

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resolute

DNE

upstream

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Показывать по

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devel

DNE

jammy

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noble

needs-triage

resolute

DNE

upstream

needs-triage

Показывать по

РелизСтатусПримечание
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DNE

esm-infra/focal

needs-triage

jammy

DNE

noble

DNE

resolute

DNE

upstream

needs-triage

Показывать по

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DNE

jammy

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DNE

resolute

DNE

upstream

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devel

DNE

esm-infra/bionic

ignored

replaced by linux-hwe-5.4
jammy

DNE

noble

DNE

resolute

DNE

upstream

ignored

end of life

Показывать по

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devel

DNE

esm-infra/focal

ignored

superseded by linux-oem-5.13
jammy

DNE

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DNE

resolute

DNE

upstream

ignored

superseded by linux-oem-5.13

Показывать по

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DNE

esm-infra/focal

ignored

superseded by linux-oem-5.14
jammy

DNE

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DNE

resolute

DNE

upstream

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superseded by linux-oem-5.14

Показывать по

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DNE

esm-infra/focal

ignored

replaced by linux-hwe-5.15
jammy

DNE

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DNE

resolute

DNE

upstream

ignored

replaced by linux-hwe-5.15

Показывать по

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devel

DNE

jammy

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superseded by linux-oem-6.1
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DNE

resolute

DNE

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ignored

superseded by linux-oem-6.1

Показывать по

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DNE

esm-infra/focal

ignored

superseded by linux-oem-5.10
jammy

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DNE

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ignored

superseded by linux-oem-5.10

Показывать по

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devel

DNE

jammy

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superseded by linux-oem-6.1
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DNE

resolute

DNE

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ignored

superseded by linux-oem-6.1

Показывать по

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DNE

jammy

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superseded by linux-oem-6.5
noble

DNE

resolute

DNE

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ignored

superseded by linux-oem-6.5

Показывать по

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jammy

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superseded by linux-oem-6.14
resolute

DNE

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ignored

superseded by linux-oem-6.14

Показывать по

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DNE

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DNE

jammy

DNE

noble

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resolute

DNE

upstream

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devel

DNE

jammy

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superseded by linux-oem-6.8
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DNE

resolute

DNE

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ignored

superseded by linux-oem-6.8

Показывать по

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DNE

jammy

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superseded by linux-oem-6.14
resolute

DNE

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ignored

superseded by linux-oem-6.14

Показывать по

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DNE

jammy

DNE

noble

DNE

resolute

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esm-infra-legacy/xenial

needs-triage

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needs-triage

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needs-triage

jammy

needs-triage

noble

needs-triage

resolute

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upstream

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Показывать по

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DNE

esm-infra/bionic

ignored

superseded by linux-oracle-5.3
jammy

DNE

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DNE

resolute

DNE

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superseded by linux-oracle-5.3

Показывать по

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esm-infra/focal

ignored

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jammy

DNE

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DNE

resolute

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ignored

superseded by linux-oracle-5.13

Показывать по

РелизСтатусПримечание
devel

DNE

esm-infra/focal

ignored

superseded by linux-oracle-5.15
jammy

DNE

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DNE

resolute

DNE

upstream

ignored

superseded by linux-oracle-5.15

Показывать по

РелизСтатусПримечание
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DNE

esm-infra/focal

needs-triage

jammy

DNE

noble

DNE

resolute

DNE

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Показывать по

РелизСтатусПримечание
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DNE

esm-infra/bionic

ignored

superseded by linux-oracle-5.4
jammy

DNE

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DNE

resolute

DNE

upstream

ignored

superseded by linux-oracle-5.4

Показывать по

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DNE

esm-infra/bionic

needs-triage

jammy

DNE

noble

DNE

resolute

DNE

upstream

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Показывать по

РелизСтатусПримечание
devel

DNE

esm-infra/focal

ignored

superseded by linux-oracle-5.11
jammy

DNE

noble

DNE

resolute

DNE

upstream

ignored

superseded by linux-oracle-5.11

Показывать по

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DNE

jammy

DNE

noble

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resolute

DNE

upstream

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Показывать по

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devel

DNE

jammy

DNE

noble

needs-triage

resolute

DNE

upstream

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Показывать по

РелизСтатусПримечание
devel

DNE

jammy

ignored

superseded by linux-oracle-6.8
noble

DNE

resolute

DNE

upstream

ignored

superseded by linux-oracle-6.8

Показывать по

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jammy

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noble

DNE

resolute

DNE

upstream

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Показывать по

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devel

DNE

jammy

DNE

noble

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resolute

DNE

upstream

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Показывать по

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needs-triage

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needs-triage

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Показывать по

РелизСтатусПримечание
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jammy

DNE

noble

DNE

resolute

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Показывать по

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devel

DNE

jammy

DNE

noble

ignored

superseded by Ubuntu Pro ppa version
realtime/noble

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resolute

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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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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needs-triage

upstream

needs-triage

Показывать по

РелизСтатусПримечание
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DNE

jammy

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DNE

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DNE

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Показывать по

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DNE

jammy

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DNE

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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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Показывать по

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ignored

superseded by linux-riscv-5.13
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DNE

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DNE

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superseded by linux-riscv-5.13

Показывать по

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DNE

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DNE

resolute

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Показывать по

РелизСтатусПримечание
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DNE

jammy

ignored

end of kernel support
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DNE

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end of life

Показывать по

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DNE

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ignored

superseded by linux-riscv-5.11
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DNE

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DNE

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ignored

superseded by linux-riscv-5.11

Показывать по

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DNE

jammy

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superseded by linux-riscv-6.17
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DNE

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superseded by linux-riscv-6.17

Показывать по

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DNE

jammy

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superseded by linux-riscv-6.8
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superseded by linux-riscv-6.8

Показывать по

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end of kernel support
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DNE

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end of life

Показывать по

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superseded by linux-starfive-6.5
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superseded by linux-starfive-6.5

Показывать по

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end of kernel support
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DNE

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Показывать по

EPSS

Процентиль: 38%
0.0045
Низкий

9.8 Critical

CVSS3

Связанные уязвимости

CVSS3: 5.9
redhat
4 дня назад

In the Linux kernel, the following vulnerability has been resolved: sctp: stop processing a packet once its association is deleted sctp_endpoint_bh_rcv() looks the association up only when chunk->asoc is NULL, and caches the result in chunk->asoc and chunk->transport without taking a reference. A packet that matches no association is handed to the endpoint, so a peer can bundle COOKIE ECHO, SHUTDOWN and SHUTDOWN ACK in one packet. The COOKIE ECHO creates the association, the SHUTDOWN chunk caches it, and with the outqueue empty the SHUTDOWN ACK reaches sctp_sf_do_9_2_final(), so the association and its transports are freed. The endpoint loop has no counterpart to the asoc->base.dead check in sctp_assoc_bh_rcv(). The next chunk writes to last_time_heard in the freed transport and is then passed to sctp_do_sm() with the freed association. The transport is freed through RCU, so this needs the packet to come off the socket backlog, where the loop runs in task context. The endpoint loop ...

CVSS3: 9.8
nvd
4 дня назад

In the Linux kernel, the following vulnerability has been resolved: sctp: stop processing a packet once its association is deleted sctp_endpoint_bh_rcv() looks the association up only when chunk->asoc is NULL, and caches the result in chunk->asoc and chunk->transport without taking a reference. A packet that matches no association is handed to the endpoint, so a peer can bundle COOKIE ECHO, SHUTDOWN and SHUTDOWN ACK in one packet. The COOKIE ECHO creates the association, the SHUTDOWN chunk caches it, and with the outqueue empty the SHUTDOWN ACK reaches sctp_sf_do_9_2_final(), so the association and its transports are freed. The endpoint loop has no counterpart to the asoc->base.dead check in sctp_assoc_bh_rcv(). The next chunk writes to last_time_heard in the freed transport and is then passed to sctp_do_sm() with the freed association. The transport is freed through RCU, so this needs the packet to come off the socket backlog, where the loop runs in task context. The endpoint loo

CVSS3: 9.8
debian
4 дня назад

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

CVSS3: 9.8
github
4 дня назад

In the Linux kernel, the following vulnerability has been resolved: sctp: stop processing a packet once its association is deleted sctp_endpoint_bh_rcv() looks the association up only when chunk->asoc is NULL, and caches the result in chunk->asoc and chunk->transport without taking a reference. A packet that matches no association is handed to the endpoint, so a peer can bundle COOKIE ECHO, SHUTDOWN and SHUTDOWN ACK in one packet. The COOKIE ECHO creates the association, the SHUTDOWN chunk caches it, and with the outqueue empty the SHUTDOWN ACK reaches sctp_sf_do_9_2_final(), so the association and its transports are freed. The endpoint loop has no counterpart to the asoc->base.dead check in sctp_assoc_bh_rcv(). The next chunk writes to last_time_heard in the freed transport and is then passed to sctp_do_sm() with the freed association. The transport is freed through RCU, so this needs the packet to come off the socket backlog, where the loop runs in task context. The endpoint ...

EPSS

Процентиль: 38%
0.0045
Низкий

9.8 Critical

CVSS3

Уязвимость CVE-2026-89479