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CVE-2026-89718

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

Описание

In the Linux kernel, the following vulnerability has been resolved: zram: fix out-of-bounds access in writeback_store() Patch series "zram: fix stale scan bounds after reinitialization". Both writeback_store() and read_block_state() derive their table scan bounds from zram->disksize before acquiring dev_lock. If the device is reset and reinitialized with a smaller disksize between that read and lock acquisition, the bound can describe the old table while the scan operates on the new one. This can lead to out-of-bounds slot accesses. Move both bound calculations under dev_lock so each bound remains consistent with the table throughout its scan. Keep the fixes separate because the affected interfaces originate from different commits and can be backported independently. This patch (of 2): writeback_store() calculates the table scan bounds before taking dev_lock. A reset followed by reconfiguration with a smaller disksize can therefore replace zram->table while writeback_store() is w...

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DNE

jammy

DNE

noble

needs-triage

resolute

DNE

upstream

needs-triage

Показывать по

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superseded by linux-hwe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superseded by linux-hwe-5.4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

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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

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Показывать по

РелизСтатусПримечание
devel

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

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DNE

jammy

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DNE

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DNE

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needs-triage

jammy

DNE

noble

DNE

resolute

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upstream

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DNE

esm-infra/focal

needs-triage

jammy

DNE

noble

DNE

resolute

DNE

upstream

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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

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Показывать по

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DNE

jammy

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resolute

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upstream

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DNE

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needs-triage

jammy

DNE

noble

DNE

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DNE

jammy

ignored

superseded by linux-lowlatency-hwe-6.2
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resolute

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superseded by linux-lowlatency-hwe-6.2

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DNE

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replaced by linux-hwe-6.14
resolute

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replaced by linux-hwe-6.14

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DNE

jammy

ignored

superseded by linux-lowlatency-hwe-6.5
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DNE

resolute

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ignored

superseded by linux-lowlatency-hwe-6.5

Показывать по

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DNE

jammy

ignored

superseded by linux-lowlatency-hwe-6.8
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resolute

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superseded by linux-lowlatency-hwe-6.8

Показывать по

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jammy

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DNE

resolute

DNE

upstream

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DNE

esm-infra-legacy/trusty

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jammy

DNE

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DNE

resolute

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DNE

jammy

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DNE

jammy

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ignored

end of kernel support
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DNE

upstream

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end of kernel support

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DNE

jammy

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superseded by linux-nvidia-6.5
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superseded by linux-nvidia-6.5

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superseded by linux-nvidia-6.8

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DNE

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DNE

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DNE

jammy

DNE

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DNE

resolute

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DNE

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DNE

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DNE

jammy

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DNE

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DNE

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jammy

DNE

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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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ignored

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superseded by linux-oem-5.13

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ignored

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superseded by linux-oem-5.14

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esm-infra/focal

ignored

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replaced by linux-hwe-5.15

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jammy

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superseded by linux-oem-6.1
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ignored

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superseded by linux-oem-5.10

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jammy

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superseded by linux-oem-6.1
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superseded by linux-oem-6.1

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jammy

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Показывать по

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jammy

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devel

DNE

jammy

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superseded by linux-oem-6.8
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DNE

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jammy

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superseded by linux-oem-6.14
resolute

DNE

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DNE

jammy

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noble

DNE

resolute

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esm-infra-legacy/xenial

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Показывать по

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DNE

esm-infra/bionic

ignored

superseded by linux-oracle-5.3
jammy

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superseded by linux-oracle-5.3

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superseded by linux-oracle-5.13

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DNE

esm-infra/focal

ignored

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jammy

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superseded by linux-oracle-5.15

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DNE

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jammy

DNE

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DNE

resolute

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РелизСтатусПримечание
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esm-infra/bionic

ignored

superseded by linux-oracle-5.4
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resolute

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superseded by linux-oracle-5.4

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jammy

DNE

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DNE

resolute

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DNE

esm-infra/focal

ignored

superseded by linux-oracle-5.11
jammy

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DNE

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DNE

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ignored

superseded by linux-oracle-5.11

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jammy

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noble

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DNE

upstream

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jammy

DNE

noble

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resolute

DNE

upstream

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devel

DNE

jammy

ignored

superseded by linux-oracle-6.8
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DNE

resolute

DNE

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superseded by linux-oracle-6.8

Показывать по

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jammy

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DNE

resolute

DNE

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jammy

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DNE

upstream

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Показывать по

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DNE

noble

DNE

resolute

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DNE

jammy

DNE

noble

ignored

superseded by Ubuntu Pro ppa version
realtime/noble

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esm-infra/focal

ignored

replaced by linux-raspi
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DNE

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replaced by linux-raspi

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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

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upstream

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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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DNE

jammy

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realtime/noble

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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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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

superseded by linux-riscv-5.13
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Показывать по

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end of kernel support
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end of life

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ignored

superseded by linux-riscv-5.11
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superseded by linux-riscv-5.11

Показывать по

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superseded by linux-riscv-6.17
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end of kernel support
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end of kernel support
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EPSS

Процентиль: 5%
0.00155
Низкий

Связанные уязвимости

CVSS3: 4.1
redhat
4 дня назад

In the Linux kernel, the following vulnerability has been resolved: zram: fix out-of-bounds access in writeback_store() Patch series "zram: fix stale scan bounds after reinitialization". Both writeback_store() and read_block_state() derive their table scan bounds from zram->disksize before acquiring dev_lock. If the device is reset and reinitialized with a smaller disksize between that read and lock acquisition, the bound can describe the old table while the scan operates on the new one. This can lead to out-of-bounds slot accesses. Move both bound calculations under dev_lock so each bound remains consistent with the table throughout its scan. Keep the fixes separate because the affected interfaces originate from different commits and can be backported independently. This patch (of 2): writeback_store() calculates the table scan bounds before taking dev_lock. A reset followed by reconfiguration with a smaller disksize can therefore replace zram->table while writeback_store() is w...

nvd
4 дня назад

In the Linux kernel, the following vulnerability has been resolved: zram: fix out-of-bounds access in writeback_store() Patch series "zram: fix stale scan bounds after reinitialization". Both writeback_store() and read_block_state() derive their table scan bounds from zram->disksize before acquiring dev_lock. If the device is reset and reinitialized with a smaller disksize between that read and lock acquisition, the bound can describe the old table while the scan operates on the new one. This can lead to out-of-bounds slot accesses. Move both bound calculations under dev_lock so each bound remains consistent with the table throughout its scan. Keep the fixes separate because the affected interfaces originate from different commits and can be backported independently. This patch (of 2): writeback_store() calculates the table scan bounds before taking dev_lock. A reset followed by reconfiguration with a smaller disksize can therefore replace zram->table while writeback_store()

debian
4 дня назад

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

github
4 дня назад

In the Linux kernel, the following vulnerability has been resolved: zram: fix out-of-bounds access in writeback_store() Patch series "zram: fix stale scan bounds after reinitialization". Both writeback_store() and read_block_state() derive their table scan bounds from zram->disksize before acquiring dev_lock. If the device is reset and reinitialized with a smaller disksize between that read and lock acquisition, the bound can describe the old table while the scan operates on the new one. This can lead to out-of-bounds slot accesses. Move both bound calculations under dev_lock so each bound remains consistent with the table throughout its scan. Keep the fixes separate because the affected interfaces originate from different commits and can be backported independently. This patch (of 2): writeback_store() calculates the table scan bounds before taking dev_lock. A reset followed by reconfiguration with a smaller disksize can therefore replace zram->table while writeback_store...

EPSS

Процентиль: 5%
0.00155
Низкий
Уязвимость CVE-2026-89718