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CVE-2026-89762

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

Описание

In the Linux kernel, the following vulnerability has been resolved: apparmor: fix cred UAF caused by begin_current_label_crit_section() AppArmor's begin_current_label_crit_section() is a scary function called from lots of LSM hooks (in particular VFS/socket-related ones) that checks if the label referenced by the current creds is marked FLAG_STALE, and if so, attempts to use aa_replace_current_label() to replace the creds with an updated version that uses a new label. The first problem with this is that it would directly lead to UAF of struct cred if anything in the kernel takes a pointer to the current creds and accesses these past a security hook invocation that replaces creds, like so: const struct cred *cred = current_cred(); alloc_file_pseudo(...); uid_t uid = cred->euid; I don't know if anything in the kernel actually does this, but I think it is very surprising that this pattern could lead to UAF. The second problem is that things go wrong when aa_replace_current_la...

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superseded by linux-hwe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superseded by linux-hwe-5.4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

needs-triage

noble

needs-triage

resolute

needs-triage

upstream

needs-triage

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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superseded by Ubuntu Pro ppa version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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DNE

jammy

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noble

DNE

resolute

DNE

upstream

needs-triage

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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

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devel

DNE

jammy

needs-triage

noble

needs-triage

resolute

DNE

upstream

needs-triage

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

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

DNE

noble

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

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

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DNE

jammy

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noble

DNE

resolute

DNE

upstream

needs-triage

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РелизСтатусПримечание
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DNE

esm-infra-legacy/trusty

needs-triage

jammy

DNE

noble

DNE

resolute

DNE

upstream

needs-triage

Показывать по

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devel

DNE

jammy

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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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DNE

noble

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DNE

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DNE

jammy

ignored

superseded by linux-nvidia-6.5
noble

DNE

resolute

DNE

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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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DNE

jammy

needs-triage

noble

DNE

resolute

DNE

upstream

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devel

DNE

jammy

DNE

noble

needs-triage

resolute

DNE

upstream

needs-triage

Показывать по

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devel

DNE

jammy

DNE

noble

DNE

resolute

needs-triage

upstream

needs-triage

Показывать по

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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

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devel

DNE

jammy

needs-triage

noble

DNE

resolute

DNE

upstream

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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

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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

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devel

DNE

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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DNE

esm-infra/focal

ignored

superseded by linux-oem-5.10
jammy

DNE

noble

DNE

resolute

DNE

upstream

ignored

superseded by linux-oem-5.10

Показывать по

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devel

DNE

jammy

ignored

superseded by linux-oem-6.1
noble

DNE

resolute

DNE

upstream

ignored

superseded by linux-oem-6.1

Показывать по

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devel

DNE

jammy

ignored

superseded by linux-oem-6.5
noble

DNE

resolute

DNE

upstream

ignored

superseded by linux-oem-6.5

Показывать по

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DNE

jammy

DNE

noble

ignored

superseded by linux-oem-6.14
resolute

DNE

upstream

ignored

superseded by linux-oem-6.14

Показывать по

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DNE

jammy

DNE

noble

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DNE

upstream

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DNE

jammy

DNE

noble

needs-triage

resolute

DNE

upstream

needs-triage

Показывать по

РелизСтатусПримечание
devel

DNE

jammy

ignored

superseded by linux-oem-6.8
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DNE

resolute

DNE

upstream

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superseded by linux-oem-6.8

Показывать по

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DNE

jammy

DNE

noble

ignored

superseded by linux-oem-6.14
resolute

DNE

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ignored

superseded by linux-oem-6.14

Показывать по

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DNE

jammy

DNE

noble

DNE

resolute

needs-triage

upstream

needs-triage

Показывать по

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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

needs-triage

upstream

needs-triage

Показывать по

РелизСтатусПримечание
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DNE

esm-infra/bionic

ignored

superseded by linux-oracle-5.3
jammy

DNE

noble

DNE

resolute

DNE

upstream

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superseded by linux-oracle-5.3

Показывать по

РелизСтатусПримечание
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DNE

esm-infra/focal

ignored

superseded by linux-oracle-5.13
jammy

DNE

noble

DNE

resolute

DNE

upstream

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
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DNE

esm-infra/focal

needs-triage

jammy

DNE

noble

DNE

resolute

DNE

upstream

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Показывать по

РелизСтатусПримечание
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DNE

esm-infra/bionic

ignored

superseded by linux-oracle-5.4
jammy

DNE

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DNE

resolute

DNE

upstream

ignored

superseded by linux-oracle-5.4

Показывать по

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
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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
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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

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

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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

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needs-triage

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needs-triage

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needs-triage

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needs-triage

upstream

needs-triage

Показывать по

РелизСтатусПримечание
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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

DNE

upstream

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Показывать по

РелизСтатусПримечание
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DNE

esm-infra/focal

ignored

replaced by linux-raspi
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DNE

resolute

DNE

upstream

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replaced by linux-raspi

Показывать по

РелизСтатусПримечание
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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

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needs-triage

resolute

needs-triage

upstream

needs-triage

Показывать по

РелизСтатусПримечание
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DNE

jammy

DNE

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DNE

realtime/noble

needs-triage

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DNE

upstream

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Показывать по

РелизСтатусПримечание
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DNE

jammy

DNE

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DNE

realtime/noble

needs-triage

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DNE

upstream

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Показывать по

РелизСтатусПримечание
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DNE

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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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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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DNE

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DNE

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superseded by linux-riscv-5.13

Показывать по

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DNE

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DNE

resolute

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Показывать по

РелизСтатусПримечание
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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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ignored

superseded by linux-riscv-5.11
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DNE

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DNE

resolute

DNE

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ignored

superseded by linux-riscv-5.11

Показывать по

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DNE

jammy

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superseded by linux-riscv-6.17
resolute

DNE

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superseded by linux-riscv-6.17

Показывать по

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DNE

jammy

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superseded by linux-riscv-6.8
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superseded by linux-riscv-6.8

Показывать по

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end of kernel support
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DNE

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Показывать по

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

Показывать по

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end of kernel support
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Показывать по

EPSS

Процентиль: 2%
0.0012
Низкий

7.8 High

CVSS3

Связанные уязвимости

CVSS3: 5.2
redhat
4 дня назад

In the Linux kernel, the following vulnerability has been resolved: apparmor: fix cred UAF caused by begin_current_label_crit_section() AppArmor's begin_current_label_crit_section() is a scary function called from lots of LSM hooks (in particular VFS/socket-related ones) that checks if the label referenced by the current creds is marked FLAG_STALE, and if so, attempts to use aa_replace_current_label() to replace the creds with an updated version that uses a new label. The first problem with this is that it would directly lead to UAF of `struct cred` if anything in the kernel takes a pointer to the current creds and accesses these past a security hook invocation that replaces creds, like so: ``` const struct cred *cred = current_cred(); alloc_file_pseudo(...); uid_t uid = cred->euid; ``` I don't know if anything in the kernel actually does this, but I think it is very surprising that this pattern could lead to UAF. The second problem is that things go wrong when aa_replace_current_la...

CVSS3: 7.8
nvd
4 дня назад

In the Linux kernel, the following vulnerability has been resolved: apparmor: fix cred UAF caused by begin_current_label_crit_section() AppArmor's begin_current_label_crit_section() is a scary function called from lots of LSM hooks (in particular VFS/socket-related ones) that checks if the label referenced by the current creds is marked FLAG_STALE, and if so, attempts to use aa_replace_current_label() to replace the creds with an updated version that uses a new label. The first problem with this is that it would directly lead to UAF of `struct cred` if anything in the kernel takes a pointer to the current creds and accesses these past a security hook invocation that replaces creds, like so: ``` const struct cred *cred = current_cred(); alloc_file_pseudo(...); uid_t uid = cred->euid; ``` I don't know if anything in the kernel actually does this, but I think it is very surprising that this pattern could lead to UAF. The second problem is that things go wrong when aa_replace_current_l

CVSS3: 7.8
debian
4 дня назад

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

CVSS3: 7.8
github
3 дня назад

In the Linux kernel, the following vulnerability has been resolved: apparmor: fix cred UAF caused by begin_current_label_crit_section() AppArmor's begin_current_label_crit_section() is a scary function called from lots of LSM hooks (in particular VFS/socket-related ones) that checks if the label referenced by the current creds is marked FLAG_STALE, and if so, attempts to use aa_replace_current_label() to replace the creds with an updated version that uses a new label. The first problem with this is that it would directly lead to UAF of `struct cred` if anything in the kernel takes a pointer to the current creds and accesses these past a security hook invocation that replaces creds, like so: ``` const struct cred *cred = current_cred(); alloc_file_pseudo(...); uid_t uid = cred->euid; ``` I don't know if anything in the kernel actually does this, but I think it is very surprising that this pattern could lead to UAF. The second problem is that things go wrong when aa_replace_curren...

EPSS

Процентиль: 2%
0.0012
Низкий

7.8 High

CVSS3

Уязвимость CVE-2026-89762