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CVE-2026-89460

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

Описание

In the Linux kernel, the following vulnerability has been resolved: s390/cpum_cf: Handle CPU hotplug via prepare/dead callbacks The command 'perf stat -e cycles -- ' crashes the kernel when CPUs are hotplug added during that run. Root cause is the allocation of struct cpu_cf_events at first event initialization. The allocation is dynamic and the first event that has task context creates such a structure for each online CPU. This is not sufficient. CPUs may be offline during event creation and can be set online during the perf run time. For example commands # echo 0 > /sys/devices/system/cpu/cpu1/online # perf stat -e cycles -i -- stress-ng -t10s --matrix X # sleep 1 # echo 1 > /sys/devices/system/cpu/cpu1/online create an event for CPUs 0,2-X. Since the events are created with task-context, the scheduler will eventually schedule the program on CPU1. This CPU has not created and initialized any per CPU event infrastructure as that CPU was not online at the time of the perf i...

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Показывать по

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DNE

jammy

DNE

noble

needs-triage

resolute

DNE

upstream

needs-triage

Показывать по

РелизСтатусПримечание
devel

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superseded by linux-hwe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superseded by linux-hwe-5.4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

needs-triage

esm-infra/focal

needs-triage

jammy

needs-triage

noble

needs-triage

resolute

needs-triage

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/bionic

needs-triage

jammy

DNE

noble

DNE

resolute

DNE

upstream

needs-triage

Показывать по

РелизСтатусПримечание
devel

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superseded by Ubuntu Pro ppa version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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devel

DNE

jammy

needs-triage

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/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

esm-infra/focal

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

Показывать по

РелизСтатусПримечание
devel

DNE

esm-infra/focal

needs-triage

jammy

DNE

noble

DNE

resolute

DNE

upstream

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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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devel

DNE

jammy

DNE

noble

ignored

replaced by linux-hwe-6.14
resolute

DNE

upstream

ignored

replaced by linux-hwe-6.14

Показывать по

РелизСтатусПримечание
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

РелизСтатусПримечание
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

РелизСтатусПримечание
devel

DNE

jammy

needs-triage

noble

DNE

resolute

DNE

upstream

needs-triage

Показывать по

РелизСтатусПримечание
devel

DNE

esm-infra-legacy/trusty

needs-triage

jammy

DNE

noble

DNE

resolute

DNE

upstream

needs-triage

Показывать по

РелизСтатусПримечание
devel

DNE

jammy

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noble

needs-triage

resolute

needs-triage

upstream

needs-triage

Показывать по

РелизСтатусПримечание
devel

DNE

jammy

DNE

noble

ignored

end of kernel support
resolute

DNE

upstream

ignored

end of kernel support

Показывать по

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devel

DNE

jammy

DNE

noble

needs-triage

resolute

DNE

upstream

needs-triage

Показывать по

РелизСтатусПримечание
devel

DNE

jammy

ignored

superseded by linux-nvidia-6.5
noble

DNE

resolute

DNE

upstream

ignored

superseded by linux-nvidia-6.5

Показывать по

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DNE

jammy

ignored

superseded by linux-nvidia-6.8
noble

DNE

resolute

DNE

upstream

ignored

superseded by linux-nvidia-6.8

Показывать по

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devel

DNE

jammy

needs-triage

noble

DNE

resolute

DNE

upstream

needs-triage

Показывать по

РелизСтатусПримечание
devel

DNE

jammy

DNE

noble

needs-triage

resolute

DNE

upstream

needs-triage

Показывать по

РелизСтатусПримечание
devel

DNE

jammy

DNE

noble

DNE

resolute

needs-triage

upstream

needs-triage

Показывать по

РелизСтатусПримечание
devel

DNE

jammy

DNE

noble

needs-triage

resolute

DNE

upstream

needs-triage

Показывать по

РелизСтатусПримечание
devel

DNE

jammy

needs-triage

noble

needs-triage

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

jammy

needs-triage

noble

DNE

resolute

DNE

upstream

needs-triage

Показывать по

РелизСтатусПримечание
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

РелизСтатусПримечание
devel

DNE

esm-infra/focal

ignored

superseded by linux-oem-5.13
jammy

DNE

noble

DNE

resolute

DNE

upstream

ignored

superseded by linux-oem-5.13

Показывать по

РелизСтатусПримечание
devel

DNE

esm-infra/focal

ignored

superseded by linux-oem-5.14
jammy

DNE

noble

DNE

resolute

DNE

upstream

ignored

superseded by linux-oem-5.14

Показывать по

РелизСтатусПримечание
devel

DNE

esm-infra/focal

ignored

replaced by linux-hwe-5.15
jammy

DNE

noble

DNE

resolute

DNE

upstream

ignored

replaced by linux-hwe-5.15

Показывать по

РелизСтатусПримечание
devel

DNE

jammy

ignored

superseded by linux-oem-6.1
noble

DNE

resolute

DNE

upstream

ignored

superseded by linux-oem-6.1

Показывать по

РелизСтатусПримечание
devel

DNE

esm-infra/focal

ignored

superseded by linux-oem-5.10
jammy

DNE

noble

DNE

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ignored

superseded by linux-oem-5.10

Показывать по

РелизСтатусПримечание
devel

DNE

jammy

ignored

superseded by linux-oem-6.1
noble

DNE

resolute

DNE

upstream

ignored

superseded by linux-oem-6.1

Показывать по

РелизСтатусПримечание
devel

DNE

jammy

ignored

superseded by linux-oem-6.5
noble

DNE

resolute

DNE

upstream

ignored

superseded by linux-oem-6.5

Показывать по

РелизСтатусПримечание
devel

DNE

jammy

DNE

noble

ignored

superseded by linux-oem-6.14
resolute

DNE

upstream

ignored

superseded by linux-oem-6.14

Показывать по

РелизСтатусПримечание
devel

DNE

jammy

DNE

noble

needs-triage

resolute

DNE

upstream

needs-triage

Показывать по

РелизСтатусПримечание
devel

DNE

jammy

DNE

noble

needs-triage

resolute

DNE

upstream

needs-triage

Показывать по

РелизСтатусПримечание
devel

DNE

jammy

ignored

superseded by linux-oem-6.8
noble

DNE

resolute

DNE

upstream

ignored

superseded by linux-oem-6.8

Показывать по

РелизСтатусПримечание
devel

DNE

jammy

DNE

noble

ignored

superseded by linux-oem-6.14
resolute

DNE

upstream

ignored

superseded by linux-oem-6.14

Показывать по

РелизСтатусПримечание
devel

DNE

jammy

DNE

noble

DNE

resolute

needs-triage

upstream

needs-triage

Показывать по

РелизСтатусПримечание
devel

needs-triage

esm-infra-legacy/xenial

needs-triage

esm-infra/bionic

needs-triage

esm-infra/focal

needs-triage

jammy

needs-triage

noble

needs-triage

resolute

needs-triage

upstream

needs-triage

Показывать по

РелизСтатусПримечание
devel

DNE

esm-infra/bionic

ignored

superseded by linux-oracle-5.3
jammy

DNE

noble

DNE

resolute

DNE

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ignored

superseded by linux-oracle-5.3

Показывать по

РелизСтатусПримечание
devel

DNE

esm-infra/focal

ignored

superseded by linux-oracle-5.13
jammy

DNE

noble

DNE

resolute

DNE

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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

noble

DNE

resolute

DNE

upstream

ignored

superseded by linux-oracle-5.15

Показывать по

РелизСтатусПримечание
devel

DNE

esm-infra/focal

needs-triage

jammy

DNE

noble

DNE

resolute

DNE

upstream

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Показывать по

РелизСтатусПримечание
devel

DNE

esm-infra/bionic

ignored

superseded by linux-oracle-5.4
jammy

DNE

noble

DNE

resolute

DNE

upstream

ignored

superseded by linux-oracle-5.4

Показывать по

РелизСтатусПримечание
devel

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

РелизСтатусПримечание
devel

DNE

jammy

DNE

noble

needs-triage

resolute

DNE

upstream

needs-triage

Показывать по

РелизСтатусПримечание
devel

DNE

jammy

DNE

noble

needs-triage

resolute

DNE

upstream

needs-triage

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

РелизСтатусПримечание
devel

DNE

jammy

needs-triage

noble

DNE

resolute

DNE

upstream

needs-triage

Показывать по

РелизСтатусПримечание
devel

DNE

jammy

DNE

noble

needs-triage

resolute

DNE

upstream

needs-triage

Показывать по

РелизСтатусПримечание
devel

needs-triage

esm-infra/focal

needs-triage

jammy

needs-triage

noble

needs-triage

resolute

needs-triage

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Показывать по

РелизСтатусПримечание
devel

DNE

esm-infra/bionic

needs-triage

jammy

DNE

noble

DNE

resolute

DNE

upstream

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Показывать по

РелизСтатусПримечание
devel

DNE

jammy

DNE

noble

ignored

superseded by Ubuntu Pro ppa version
realtime/noble

needs-triage

resolute

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РелизСтатусПримечание
devel

DNE

esm-infra/focal

ignored

replaced by linux-raspi
jammy

DNE

noble

DNE

resolute

DNE

upstream

ignored

replaced by linux-raspi

Показывать по

РелизСтатусПримечание
devel

needs-triage

jammy

ignored

superseded by Ubuntu Pro ppa version
noble

ignored

superseded by Ubuntu Pro ppa version
realtime/jammy

needs-triage

realtime/noble

needs-triage

resolute

needs-triage

upstream

needs-triage

Показывать по

РелизСтатусПримечание
devel

DNE

jammy

DNE

noble

DNE

realtime/noble

needs-triage

resolute

DNE

upstream

needs-triage

Показывать по

РелизСтатусПримечание
devel

DNE

jammy

DNE

noble

DNE

realtime/noble

needs-triage

resolute

DNE

upstream

needs-triage

Показывать по

РелизСтатусПримечание
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DNE

jammy

DNE

noble

DNE

realtime/jammy

needs-triage

resolute

DNE

upstream

needs-triage

Показывать по

РелизСтатусПримечание
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needs-triage

esm-infra/focal

ignored

superseded by linux-riscv-5.8
jammy

ignored

end of kernel support
noble

ignored

replaced by linux-riscv-6.14
resolute

needs-triage

upstream

needs-triage

Показывать по

РелизСтатусПримечание
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DNE

esm-infra/focal

ignored

superseded by linux-riscv-5.13
jammy

DNE

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DNE

resolute

DNE

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ignored

superseded by linux-riscv-5.13

Показывать по

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

end of kernel support
noble

DNE

resolute

DNE

upstream

ignored

end of life

Показывать по

РелизСтатусПримечание
devel

DNE

esm-infra/focal

ignored

superseded by linux-riscv-5.11
jammy

DNE

noble

DNE

resolute

DNE

upstream

ignored

superseded by linux-riscv-5.11

Показывать по

РелизСтатусПримечание
devel

DNE

jammy

DNE

noble

ignored

superseded by linux-riscv-6.17
resolute

DNE

upstream

ignored

superseded by linux-riscv-6.17

Показывать по

РелизСтатусПримечание
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DNE

jammy

DNE

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DNE

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Показывать по

РелизСтатусПримечание
devel

DNE

jammy

ignored

superseded by linux-riscv-6.8
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DNE

resolute

DNE

upstream

ignored

superseded by linux-riscv-6.8

Показывать по

РелизСтатусПримечание
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DNE

jammy

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DNE

resolute

DNE

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Показывать по

РелизСтатусПримечание
devel

DNE

jammy

DNE

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needs-triage

resolute

DNE

upstream

needs-triage

Показывать по

РелизСтатусПримечание
devel

DNE

jammy

ignored

end of kernel support
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DNE

resolute

DNE

upstream

ignored

end of life

Показывать по

РелизСтатусПримечание
devel

DNE

jammy

ignored

superseded by linux-starfive-6.5
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DNE

resolute

DNE

upstream

ignored

superseded by linux-starfive-6.5

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РелизСтатусПримечание
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DNE

jammy

ignored

end of kernel support
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DNE

resolute

DNE

upstream

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end of life

Показывать по

РелизСтатусПримечание
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DNE

esm-infra/focal

needs-triage

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upstream

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Показывать по

EPSS

Процентиль: 6%
0.00168
Низкий

Связанные уязвимости

CVSS3: 4.4
redhat
4 дня назад

In the Linux kernel, the following vulnerability has been resolved: s390/cpum_cf: Handle CPU hotplug via prepare/dead callbacks The command 'perf stat -e cycles -- <command>' crashes the kernel when CPUs are hotplug added during that run. Root cause is the allocation of struct cpu_cf_events at first event initialization. The allocation is dynamic and the first event that has task context creates such a structure for each online CPU. This is not sufficient. CPUs may be offline during event creation and can be set online during the perf run time. For example commands # echo 0 > /sys/devices/system/cpu/cpu1/online # perf stat -e cycles -i -- stress-ng -t10s --matrix X # sleep 1 # echo 1 > /sys/devices/system/cpu/cpu1/online create an event for CPUs 0,2-X. Since the events are created with task-context, the scheduler will eventually schedule the program on CPU1. This CPU has not created and initialized any per CPU event infrastructure as that CPU was not online at the time of the perf i...

nvd
4 дня назад

In the Linux kernel, the following vulnerability has been resolved: s390/cpum_cf: Handle CPU hotplug via prepare/dead callbacks The command 'perf stat -e cycles -- <command>' crashes the kernel when CPUs are hotplug added during that run. Root cause is the allocation of struct cpu_cf_events at first event initialization. The allocation is dynamic and the first event that has task context creates such a structure for each online CPU. This is not sufficient. CPUs may be offline during event creation and can be set online during the perf run time. For example commands # echo 0 > /sys/devices/system/cpu/cpu1/online # perf stat -e cycles -i -- stress-ng -t10s --matrix X # sleep 1 # echo 1 > /sys/devices/system/cpu/cpu1/online create an event for CPUs 0,2-X. Since the events are created with task-context, the scheduler will eventually schedule the program on CPU1. This CPU has not created and initialized any per CPU event infrastructure as that CPU was not online at the time of the

debian
4 дня назад

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

github
4 дня назад

In the Linux kernel, the following vulnerability has been resolved: s390/cpum_cf: Handle CPU hotplug via prepare/dead callbacks The command 'perf stat -e cycles -- <command>' crashes the kernel when CPUs are hotplug added during that run. Root cause is the allocation of struct cpu_cf_events at first event initialization. The allocation is dynamic and the first event that has task context creates such a structure for each online CPU. This is not sufficient. CPUs may be offline during event creation and can be set online during the perf run time. For example commands # echo 0 > /sys/devices/system/cpu/cpu1/online # perf stat -e cycles -i -- stress-ng -t10s --matrix X # sleep 1 # echo 1 > /sys/devices/system/cpu/cpu1/online create an event for CPUs 0,2-X. Since the events are created with task-context, the scheduler will eventually schedule the program on CPU1. This CPU has not created and initialized any per CPU event infrastructure as that CPU was not online at the time of t...

EPSS

Процентиль: 6%
0.00168
Низкий
Уязвимость CVE-2026-89460