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CVE-2026-89709

Опубликовано: 14 сент. 2026
Источник: ubuntu
Приоритет: medium
EPSS Низкий
CVSS3: 8.1

Описание

In the Linux kernel, the following vulnerability has been resolved: lockd, nfsd: RCU-protect nlmsvc_ops dispatch nlmsvc_ops is published by nfsd_lockd_init() and cleared by nfsd_lockd_shutdown() with plain stores, while lockd dereferences it unguarded from dispatch sites in fs/lockd/svcsubs.c. The pointer targets nfsd's .rodata and the fopen/fclose callbacks live in nfsd's .text, so a stale load after rmmod nfsd results in either a NULL deref or a module-text use-after-free. Declare nlmsvc_ops as __rcu, publish via rcu_assign_pointer(), clear via RCU_INIT_POINTER() + synchronize_rcu(). Add a struct module *owner field to nlmsvc_binding and pin the module across indirect calls with try_module_get/module_put. When the binding is torn down, fall back to fput() to avoid leaking struct file references.

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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superseded by linux-hwe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superseded by linux-hwe-5.4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

jammy

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noble

needs-triage

resolute

needs-triage

upstream

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DNE

esm-infra/focal

needs-triage

jammy

DNE

noble

DNE

resolute

DNE

upstream

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РелизСтатусПримечание
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DNE

esm-infra/bionic

needs-triage

jammy

DNE

noble

DNE

resolute

DNE

upstream

needs-triage

Показывать по

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DNE

jammy

needs-triage

noble

DNE

resolute

DNE

upstream

needs-triage

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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superseded by Ubuntu Pro ppa version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

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DNE

jammy

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noble

DNE

resolute

DNE

upstream

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DNE

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needs-triage

jammy

DNE

noble

DNE

resolute

DNE

upstream

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Показывать по

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devel

DNE

esm-infra/focal

needs-triage

jammy

DNE

noble

DNE

resolute

DNE

upstream

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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

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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

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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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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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DNE

jammy

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needs-triage

resolute

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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

noble

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DNE

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devel

DNE

jammy

ignored

superseded by linux-nvidia-6.5
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DNE

resolute

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

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jammy

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noble

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

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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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devel

DNE

jammy

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needs-triage

resolute

DNE

upstream

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Показывать по

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DNE

esm-infra/focal

needs-triage

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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devel

DNE

esm-infra/bionic

ignored

replaced by linux-hwe-5.4
jammy

DNE

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DNE

resolute

DNE

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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

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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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resolute

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ignored

superseded by linux-oem-5.14

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DNE

esm-infra/focal

ignored

replaced by linux-hwe-5.15
jammy

DNE

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resolute

DNE

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ignored

replaced by linux-hwe-5.15

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devel

DNE

jammy

ignored

superseded by linux-oem-6.1
noble

DNE

resolute

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ignored

superseded by linux-oem-6.1

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esm-infra/focal

ignored

superseded by linux-oem-5.10
jammy

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superseded by linux-oem-5.10

Показывать по

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devel

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jammy

ignored

superseded by linux-oem-6.1
noble

DNE

resolute

DNE

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ignored

superseded by linux-oem-6.1

Показывать по

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jammy

ignored

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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DNE

noble

ignored

superseded by linux-oem-6.14
resolute

DNE

upstream

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superseded by linux-oem-6.14

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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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DNE

jammy

DNE

noble

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resolute

DNE

upstream

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devel

DNE

jammy

ignored

superseded by linux-oem-6.8
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DNE

resolute

DNE

upstream

ignored

superseded by linux-oem-6.8

Показывать по

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jammy

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noble

ignored

superseded by linux-oem-6.14
resolute

DNE

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superseded by linux-oem-6.14

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DNE

jammy

DNE

noble

DNE

resolute

needs-triage

upstream

needs-triage

Показывать по

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devel

needs-triage

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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РелизСтатусПримечание
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DNE

esm-infra/bionic

ignored

superseded by linux-oracle-5.3
jammy

DNE

noble

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resolute

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ignored

superseded by linux-oracle-5.3

Показывать по

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esm-infra/focal

ignored

superseded by linux-oracle-5.13
jammy

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superseded by linux-oracle-5.13

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РелизСтатусПримечание
devel

DNE

esm-infra/focal

ignored

superseded by linux-oracle-5.15
jammy

DNE

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DNE

resolute

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ignored

superseded by linux-oracle-5.15

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DNE

esm-infra/focal

needs-triage

jammy

DNE

noble

DNE

resolute

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РелизСтатусПримечание
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esm-infra/bionic

ignored

superseded by linux-oracle-5.4
jammy

DNE

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DNE

resolute

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ignored

superseded by linux-oracle-5.4

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DNE

esm-infra/bionic

needs-triage

jammy

DNE

noble

DNE

resolute

DNE

upstream

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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

needs-triage

resolute

DNE

upstream

needs-triage

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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DNE

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

needs-triage

resolute

DNE

upstream

needs-triage

Показывать по

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devel

needs-triage

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needs-triage

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needs-triage

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РелизСтатусПримечание
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DNE

esm-infra/bionic

needs-triage

jammy

DNE

noble

DNE

resolute

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upstream

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РелизСтатусПримечание
devel

DNE

jammy

DNE

noble

ignored

superseded by Ubuntu Pro ppa version
realtime/noble

needs-triage

resolute

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esm-infra/focal

ignored

replaced by linux-raspi
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DNE

resolute

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replaced by linux-raspi

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needs-triage

jammy

ignored

superseded by Ubuntu Pro ppa version
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ignored

superseded by Ubuntu Pro ppa version
realtime/jammy

needs-triage

realtime/noble

needs-triage

resolute

needs-triage

upstream

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Показывать по

РелизСтатусПримечание
devel

DNE

jammy

DNE

noble

DNE

realtime/noble

needs-triage

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DNE

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Показывать по

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DNE

jammy

DNE

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DNE

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needs-triage

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DNE

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Показывать по

РелизСтатусПримечание
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DNE

jammy

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DNE

realtime/jammy

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DNE

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ignored

superseded by linux-riscv-5.8
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ignored

end of kernel support
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ignored

replaced by linux-riscv-6.14
resolute

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Показывать по

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ignored

superseded by linux-riscv-5.13
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superseded by linux-riscv-5.13

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DNE

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DNE

resolute

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Показывать по

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DNE

jammy

ignored

end of kernel support
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DNE

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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
jammy

DNE

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ignored

superseded by linux-riscv-5.11

Показывать по

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DNE

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ignored

superseded by linux-riscv-6.17
resolute

DNE

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superseded by linux-riscv-6.17

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devel

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superseded by linux-riscv-6.8
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DNE

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superseded by linux-riscv-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 life

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DNE

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

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end of kernel support
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DNE

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Показывать по

EPSS

Процентиль: 26%
0.0033
Низкий

8.1 High

CVSS3

Связанные уязвимости

CVSS3: 4.4
redhat
4 дня назад

In the Linux kernel, the following vulnerability has been resolved: lockd, nfsd: RCU-protect nlmsvc_ops dispatch nlmsvc_ops is published by nfsd_lockd_init() and cleared by nfsd_lockd_shutdown() with plain stores, while lockd dereferences it unguarded from dispatch sites in fs/lockd/svcsubs.c. The pointer targets nfsd's .rodata and the fopen/fclose callbacks live in nfsd's .text, so a stale load after rmmod nfsd results in either a NULL deref or a module-text use-after-free. Declare nlmsvc_ops as __rcu, publish via rcu_assign_pointer(), clear via RCU_INIT_POINTER() + synchronize_rcu(). Add a struct module *owner field to nlmsvc_binding and pin the module across indirect calls with try_module_get/module_put. When the binding is torn down, fall back to fput() to avoid leaking struct file references.

CVSS3: 8.1
nvd
4 дня назад

In the Linux kernel, the following vulnerability has been resolved: lockd, nfsd: RCU-protect nlmsvc_ops dispatch nlmsvc_ops is published by nfsd_lockd_init() and cleared by nfsd_lockd_shutdown() with plain stores, while lockd dereferences it unguarded from dispatch sites in fs/lockd/svcsubs.c. The pointer targets nfsd's .rodata and the fopen/fclose callbacks live in nfsd's .text, so a stale load after rmmod nfsd results in either a NULL deref or a module-text use-after-free. Declare nlmsvc_ops as __rcu, publish via rcu_assign_pointer(), clear via RCU_INIT_POINTER() + synchronize_rcu(). Add a struct module *owner field to nlmsvc_binding and pin the module across indirect calls with try_module_get/module_put. When the binding is torn down, fall back to fput() to avoid leaking struct file references.

CVSS3: 8.1
debian
4 дня назад

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

CVSS3: 8.1
github
4 дня назад

In the Linux kernel, the following vulnerability has been resolved: lockd, nfsd: RCU-protect nlmsvc_ops dispatch nlmsvc_ops is published by nfsd_lockd_init() and cleared by nfsd_lockd_shutdown() with plain stores, while lockd dereferences it unguarded from dispatch sites in fs/lockd/svcsubs.c. The pointer targets nfsd's .rodata and the fopen/fclose callbacks live in nfsd's .text, so a stale load after rmmod nfsd results in either a NULL deref or a module-text use-after-free. Declare nlmsvc_ops as __rcu, publish via rcu_assign_pointer(), clear via RCU_INIT_POINTER() + synchronize_rcu(). Add a struct module *owner field to nlmsvc_binding and pin the module across indirect calls with try_module_get/module_put. When the binding is torn down, fall back to fput() to avoid leaking struct file references.

EPSS

Процентиль: 26%
0.0033
Низкий

8.1 High

CVSS3

Уязвимость CVE-2026-89709