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CVE-2026-74647

Опубликовано: 27 авг. 2026
Источник: ubuntu
Приоритет: medium
EPSS Низкий
CVSS3: 7.8

Описание

In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: Remove buffer from list prior to unmap operation fastrpc_req_munmap_impl() is called to unmap any buffer. The buffer is getting removed from the list after it is unmapped from DSP. This can create potential race conditions if multiple threads invoke unmap concurrently, where one thread may remove the entry from the list while another thread's unmap operation is still ongoing. Fix this by removing the buffer entry from the list before calling the unmap operation. If the unmap fails, the entry is re-added to the list so that userspace can retry the unmap, or alternatively, the buffer will be cleaned up during device release when the DSP process is torn down and all DSP-side mappings are freed along with remaining buffers in the list.

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superseded by linux-hwe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superseded by linux-hwe-5.4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

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DNE

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needs-triage

jammy

DNE

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DNE

resolute

DNE

upstream

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Показывать по

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DNE

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jammy

DNE

noble

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/focal

ignored

end of kernel support
jammy

DNE

noble

DNE

resolute

DNE

upstream

ignored

end of life

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DNE

jammy

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DNE

realtime/jammy

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DNE

upstream

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DNE

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DNE

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DNE

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DNE

resolute

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upstream

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DNE

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needs-triage

jammy

DNE

noble

DNE

resolute

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DNE

esm-infra-legacy/xenial

needs-triage

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jammy

needs-triage

noble

DNE

resolute

DNE

upstream

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DNE

jammy

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DNE

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DNE

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needs-triage

jammy

DNE

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DNE

resolute

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upstream

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DNE

jammy

ignored

superseded by linux-lowlatency-hwe-6.2
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DNE

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superseded by linux-lowlatency-hwe-6.2

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DNE

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DNE

jammy

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superseded by linux-lowlatency-hwe-6.5
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DNE

resolute

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upstream

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superseded by linux-lowlatency-hwe-6.5

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DNE

jammy

ignored

superseded by linux-lowlatency-hwe-6.8
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DNE

resolute

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upstream

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superseded by linux-lowlatency-hwe-6.8

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DNE

resolute

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jammy

DNE

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DNE

resolute

DNE

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end of kernel support
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DNE

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end of kernel support

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superseded by linux-nvidia-6.5
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DNE

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DNE

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DNE

resolute

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DNE

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DNE

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DNE

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DNE

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DNE

esm-infra/bionic

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DNE

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end of life

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DNE

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DNE

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DNE

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DNE

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DNE

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Показывать по

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ignored

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DNE

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DNE

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DNE

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ignored

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Показывать по

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jammy

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ignored

superseded by Ubuntu Pro ppa version
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superseded by Ubuntu Pro ppa version
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needs-triage

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Показывать по

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superseded by linux-riscv-5.8
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end of kernel support
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end of life

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superseded by linux-riscv-5.11

Показывать по

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Показывать по

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end of kernel support
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Показывать по

EPSS

Процентиль: 3%
0.00129
Низкий

7.8 High

CVSS3

Связанные уязвимости

CVSS3: 5.5
redhat
27 дней назад

In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: Remove buffer from list prior to unmap operation fastrpc_req_munmap_impl() is called to unmap any buffer. The buffer is getting removed from the list after it is unmapped from DSP. This can create potential race conditions if multiple threads invoke unmap concurrently, where one thread may remove the entry from the list while another thread's unmap operation is still ongoing. Fix this by removing the buffer entry from the list before calling the unmap operation. If the unmap fails, the entry is re-added to the list so that userspace can retry the unmap, or alternatively, the buffer will be cleaned up during device release when the DSP process is torn down and all DSP-side mappings are freed along with remaining buffers in the list.

CVSS3: 7.8
nvd
26 дней назад

In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: Remove buffer from list prior to unmap operation fastrpc_req_munmap_impl() is called to unmap any buffer. The buffer is getting removed from the list after it is unmapped from DSP. This can create potential race conditions if multiple threads invoke unmap concurrently, where one thread may remove the entry from the list while another thread's unmap operation is still ongoing. Fix this by removing the buffer entry from the list before calling the unmap operation. If the unmap fails, the entry is re-added to the list so that userspace can retry the unmap, or alternatively, the buffer will be cleaned up during device release when the DSP process is torn down and all DSP-side mappings are freed along with remaining buffers in the list.

msrc
25 дней назад

misc: fastrpc: Remove buffer from list prior to unmap operation

CVSS3: 7.8
debian
26 дней назад

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

CVSS3: 7.8
github
26 дней назад

In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: Remove buffer from list prior to unmap operation fastrpc_req_munmap_impl() is called to unmap any buffer. The buffer is getting removed from the list after it is unmapped from DSP. This can create potential race conditions if multiple threads invoke unmap concurrently, where one thread may remove the entry from the list while another thread's unmap operation is still ongoing. Fix this by removing the buffer entry from the list before calling the unmap operation. If the unmap fails, the entry is re-added to the list so that userspace can retry the unmap, or alternatively, the buffer will be cleaned up during device release when the DSP process is torn down and all DSP-side mappings are freed along with remaining buffers in the list.

EPSS

Процентиль: 3%
0.00129
Низкий

7.8 High

CVSS3