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CVE-2026-80991

Опубликовано: 14 сент. 2026
Источник: ubuntu
Приоритет: medium
EPSS Низкий
CVSS3: 7.8

Описание

In the Linux kernel, the following vulnerability has been resolved: net: ravb: serialize PTP clock teardown ravb_ptp_interrupt() can race with ravb_ptp_stop() and pass the clock to ptp_clock_event() while ptp_clock_unregister() is freeing it. This can lead to a use-after-free. Use READ_ONCE() and WRITE_ONCE() for lockless access to the clock pointer. Atomically detach it with xchg() before disabling PTP interrupts, then synchronize all IRQs which can invoke ravb_ptp_interrupt() before unregistering the detached clock. A handler which read the old pointer completes before the clock is unregistered, while later handlers read NULL and skip the event.

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superseded by linux-hwe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superseded by linux-hwe-5.4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

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needs-triage

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needs-triage

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DNE

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needs-triage

jammy

DNE

noble

DNE

resolute

DNE

upstream

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DNE

esm-infra/bionic

needs-triage

jammy

DNE

noble

DNE

resolute

DNE

upstream

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DNE

jammy

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noble

DNE

resolute

DNE

upstream

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devel

DNE

esm-infra/focal

ignored

end of kernel support
jammy

DNE

noble

DNE

resolute

DNE

upstream

ignored

end of life

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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superseded by Ubuntu Pro ppa version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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DNE

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needs-triage

jammy

DNE

noble

DNE

resolute

DNE

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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

upstream

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Показывать по

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DNE

jammy

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noble

needs-triage

resolute

DNE

upstream

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DNE

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needs-triage

jammy

DNE

noble

DNE

resolute

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DNE

jammy

ignored

superseded by linux-lowlatency-hwe-6.2
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DNE

resolute

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superseded by linux-lowlatency-hwe-6.2

Показывать по

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DNE

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replaced by linux-hwe-6.14
resolute

DNE

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ignored

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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DNE

resolute

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superseded by linux-lowlatency-hwe-6.8

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jammy

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DNE

resolute

DNE

upstream

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DNE

esm-infra-legacy/trusty

needs-triage

jammy

DNE

noble

DNE

resolute

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DNE

jammy

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end of kernel support
resolute

DNE

upstream

ignored

end of kernel support

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DNE

jammy

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superseded by linux-nvidia-6.5
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jammy

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DNE

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superseded by linux-nvidia-6.8

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DNE

resolute

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jammy

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noble

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resolute

DNE

upstream

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DNE

jammy

DNE

noble

DNE

resolute

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DNE

jammy

DNE

noble

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resolute

DNE

upstream

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DNE

jammy

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needs-triage

resolute

DNE

upstream

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DNE

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jammy

DNE

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DNE

resolute

DNE

upstream

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DNE

jammy

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DNE

resolute

DNE

upstream

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DNE

esm-infra/bionic

ignored

replaced by linux-hwe-5.4
jammy

DNE

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DNE

resolute

DNE

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end of life

Показывать по

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DNE

esm-infra/focal

ignored

superseded by linux-oem-5.13
jammy

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resolute

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ignored

superseded by linux-oem-5.13

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DNE

esm-infra/focal

ignored

superseded by linux-oem-5.14
jammy

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resolute

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superseded by linux-oem-5.14

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esm-infra/focal

ignored

replaced by linux-hwe-5.15
jammy

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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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DNE

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superseded by linux-oem-5.10

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superseded by linux-oem-6.1

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DNE

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DNE

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superseded by linux-oem-6.5

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resolute

DNE

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jammy

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DNE

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DNE

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ignored

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esm-infra/focal

ignored

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jammy

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superseded by linux-oracle-5.15

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esm-infra/bionic

ignored

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superseded by linux-oracle-5.4

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DNE

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esm-infra/focal

ignored

superseded by linux-oracle-5.11
jammy

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superseded by linux-oracle-5.11

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jammy

DNE

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jammy

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superseded by linux-oracle-6.8
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resolute

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superseded by linux-oracle-6.8

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DNE

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jammy

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DNE

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ignored

superseded by Ubuntu Pro ppa version
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replaced by linux-raspi
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replaced by linux-raspi

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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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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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DNE

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DNE

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end of kernel support
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DNE

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DNE

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end of life

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superseded by linux-riscv-5.11
jammy

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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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DNE

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superseded by linux-starfive-6.5

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end of kernel support
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Показывать по

EPSS

Процентиль: 5%
0.00159
Низкий

7.8 High

CVSS3

Связанные уязвимости

CVSS3: 4.4
redhat
5 дней назад

In the Linux kernel, the following vulnerability has been resolved: net: ravb: serialize PTP clock teardown ravb_ptp_interrupt() can race with ravb_ptp_stop() and pass the clock to ptp_clock_event() while ptp_clock_unregister() is freeing it. This can lead to a use-after-free. Use READ_ONCE() and WRITE_ONCE() for lockless access to the clock pointer. Atomically detach it with xchg() before disabling PTP interrupts, then synchronize all IRQs which can invoke ravb_ptp_interrupt() before unregistering the detached clock. A handler which read the old pointer completes before the clock is unregistered, while later handlers read NULL and skip the event.

CVSS3: 7.8
nvd
5 дней назад

In the Linux kernel, the following vulnerability has been resolved: net: ravb: serialize PTP clock teardown ravb_ptp_interrupt() can race with ravb_ptp_stop() and pass the clock to ptp_clock_event() while ptp_clock_unregister() is freeing it. This can lead to a use-after-free. Use READ_ONCE() and WRITE_ONCE() for lockless access to the clock pointer. Atomically detach it with xchg() before disabling PTP interrupts, then synchronize all IRQs which can invoke ravb_ptp_interrupt() before unregistering the detached clock. A handler which read the old pointer completes before the clock is unregistered, while later handlers read NULL and skip the event.

CVSS3: 7.8
debian
5 дней назад

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

CVSS3: 7.8
github
5 дней назад

In the Linux kernel, the following vulnerability has been resolved: net: ravb: serialize PTP clock teardown ravb_ptp_interrupt() can race with ravb_ptp_stop() and pass the clock to ptp_clock_event() while ptp_clock_unregister() is freeing it. This can lead to a use-after-free. Use READ_ONCE() and WRITE_ONCE() for lockless access to the clock pointer. Atomically detach it with xchg() before disabling PTP interrupts, then synchronize all IRQs which can invoke ravb_ptp_interrupt() before unregistering the detached clock. A handler which read the old pointer completes before the clock is unregistered, while later handlers read NULL and skip the event.

EPSS

Процентиль: 5%
0.00159
Низкий

7.8 High

CVSS3

Уязвимость CVE-2026-80991