exploitDog

CVE-2021-4083

Опубликовано: 18 янв. 2022

Источник: nvd

CVSS3: 7

CVSS2: 6.9

EPSS Низкий

Описание

A read-after-free memory flaw was found in the Linux kernel's garbage collection for Unix domain socket file handlers in the way users call close() and fget() simultaneously and can potentially trigger a race condition. This flaw allows a local user to crash the system or escalate their privileges on the system. This flaw affects Linux kernel versions prior to 5.16-rc4.

Ссылки

https://bugzilla.redhat.com/show_bug.cgi?id=2029923
Issue Tracking
Patch
Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=054aa8d439b9
Mailing List
Patch
https://lists.debian.org/debian-lts-announce/2022/03/msg00011.html
Mailing List
Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html
Mailing List
Third Party Advisory
https://security.netapp.com/advisory/ntap-20220217-0005/
Third Party Advisory
https://www.debian.org/security/2022/dsa-5096
Third Party Advisory
https://www.oracle.com/security-alerts/cpujul2022.html
Patch
Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2029923
Issue Tracking
Patch
Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=054aa8d439b9
Mailing List
Patch
https://lists.debian.org/debian-lts-announce/2022/03/msg00011.html
Mailing List
Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html
Mailing List
Third Party Advisory
https://security.netapp.com/advisory/ntap-20220217-0005/
Third Party Advisory
https://www.debian.org/security/2022/dsa-5096
Third Party Advisory
https://www.oracle.com/security-alerts/cpujul2022.html
Patch
Third Party Advisory

Уязвимые конфигурации

Конфигурация 1

Одно из

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Версия до 4.4.294 (исключая)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Версия от 4.5 (включая) до 4.9.292 (исключая)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Версия от 4.10 (включая) до 4.14.257 (исключая)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Версия от 4.15 (включая) до 4.19.220 (исключая)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Версия от 4.20 (включая) до 5.4.164 (исключая)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Версия от 5.5.0 (включая) до 5.10.84 (исключая)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Версия от 5.11 (включая) до 5.15.7 (исключая)

cpe:2.3:o:linux:linux_kernel:5.16:rc1:*:*:*:*:*:*

cpe:2.3:o:linux:linux_kernel:5.16:rc2:*:*:*:*:*:*

cpe:2.3:o:linux:linux_kernel:5.16:rc3:*:*:*:*:*:*

Конфигурация 2

Одновременно

cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:netapp:h410c:-:*:*:*:*:*:*:*

Конфигурация 3

Одновременно

cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:*

Конфигурация 4

Одновременно

cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:*

Конфигурация 5

Одновременно

cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:*

Конфигурация 6

Одновременно

cpe:2.3:o:netapp:h300e_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:netapp:h300e:-:*:*:*:*:*:*:*

Конфигурация 7

Одновременно

cpe:2.3:o:netapp:h500e_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:netapp:h500e:-:*:*:*:*:*:*:*

Конфигурация 8

Одновременно

cpe:2.3:o:netapp:h700e_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:netapp:h700e:-:*:*:*:*:*:*:*

Конфигурация 9

Одновременно

cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:*

Конфигурация 10

Одно из

cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

Конфигурация 11

Одно из

cpe:2.3:a:netapp:hci_management_node:-:*:*:*:*:*:*:*

cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:*

Конфигурация 12

Одно из

cpe:2.3:a:oracle:communications_cloud_native_core_binding_support_function:22.1.3:*:*:*:*:*:*:*

cpe:2.3:a:oracle:communications_cloud_native_core_network_exposure_function:22.1.1:*:*:*:*:*:*:*

cpe:2.3:a:oracle:communications_cloud_native_core_policy:22.2.0:*:*:*:*:*:*:*

EPSS

Процентиль: 1%

0.00008

Низкий

7 High

CVSS3

6.9 Medium

CVSS2

Дефекты

CWE-416

CWE-362

Связанные уязвимости

CVE-2021-4083

CVSS3: 7

ubuntu

больше 3 лет назад

A read-after-free memory flaw was found in the Linux kernel's garbage collection for Unix domain socket file handlers in the way users call close() and fget() simultaneously and can potentially trigger a race condition. This flaw allows a local user to crash the system or escalate their privileges on the system. This flaw affects Linux kernel versions prior to 5.16-rc4.

CVE-2021-4083

CVSS3: 7.4

redhat

больше 3 лет назад

A read-after-free memory flaw was found in the Linux kernel's garbage collection for Unix domain socket file handlers in the way users call close() and fget() simultaneously and can potentially trigger a race condition. This flaw allows a local user to crash the system or escalate their privileges on the system. This flaw affects Linux kernel versions prior to 5.16-rc4.

CVE-2021-4083

CVSS3: 7

msrc

больше 3 лет назад

Описание отсутствует

CVE-2021-4083

CVSS3: 7

debian

больше 3 лет назад

A read-after-free memory flaw was found in the Linux kernel's garbage ...

GHSA-rcrv-64p3-px35

CVSS3: 7

github

больше 3 лет назад

A read-after-free memory flaw was found in the Linux kernel's garbage collection for Unix domain socket file handlers in the way users call close() and fget() simultaneously and can potentially trigger a race condition. This flaw allows a local user to crash the system or escalate their privileges on the system. This flaw affects Linux kernel versions prior to 5.16-rc4.

EPSS

Процентиль: 1%

0.00008

Низкий

7 High

CVSS3

6.9 Medium

CVSS2

Дефекты

CWE-416

CWE-362