CVE-2021-41073

Опубликовано: 19 сент. 2021

Источник: nvd

CVSS3: 7.8

CVSS2: 7.2

EPSS Низкий

Описание

loop_rw_iter in fs/io_uring.c in the Linux kernel 5.10 through 5.14.6 allows local users to gain privileges by using IORING_OP_PROVIDE_BUFFERS to trigger a free of a kernel buffer, as demonstrated by using /proc//maps for exploitation.

Ссылки

http://www.openwall.com/lists/oss-security/2021/09/18/2
Mailing List
Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/09/18/2
Mailing List
Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/06/04/4
Mailing List
Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=16c8d2df7ec0eed31b7d3b61cb13206a7fb930cc
Patch
Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J7KSMIOQ4377CVTHMWNGNCWHMCRFRP2T/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PAP4TXEZ7J4EZQMQW5SIJMWXG7WZT3F7/
https://security.netapp.com/advisory/ntap-20211014-0003/
Third Party Advisory
https://www.debian.org/security/2021/dsa-4978
Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/09/18/2
Mailing List
Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/09/18/2
Mailing List
Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/06/04/4
Mailing List
Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=16c8d2df7ec0eed31b7d3b61cb13206a7fb930cc
Patch
Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J7KSMIOQ4377CVTHMWNGNCWHMCRFRP2T/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PAP4TXEZ7J4EZQMQW5SIJMWXG7WZT3F7/
https://security.netapp.com/advisory/ntap-20211014-0003/
Third Party Advisory
https://www.debian.org/security/2021/dsa-4978
Third Party Advisory

Уязвимые конфигурации

Конфигурация 1

Одно из

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

Версия от 5.10 (включая) до 5.10.68 (исключая)

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

Версия от 5.11 (включая) до 5.14.7 (исключая)

Конфигурация 2

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

Конфигурация 3

Одно из

cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*

cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*

Конфигурация 4

Одно из

cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*

cpe:2.3:a:netapp:solidfire_baseboard_management_controller:-:*:*:*:*:*:*:*

Конфигурация 5

Одновременно

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

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

Конфигурация 6

Одновременно

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

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

Конфигурация 7

Одновременно

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

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

Конфигурация 8

Одновременно

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

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

Конфигурация 9

Одновременно

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

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

Конфигурация 10

Одновременно

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

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

Конфигурация 11

Одновременно

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

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

Конфигурация 12

Одновременно

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

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

Конфигурация 13

Одновременно

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

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

EPSS

Процентиль: 75%

0.00896

Низкий

7.8 High

CVSS3

7.2 High

CVSS2

Дефекты

CWE-763

Связанные уязвимости

CVE-2021-41073

CVSS3: 7.8

ubuntu

почти 4 года назад

CVE-2021-41073

CVSS3: 7.8

redhat

почти 4 года назад

CVE-2021-41073

CVSS3: 7.8

msrc

больше 3 лет назад

Описание отсутствует

CVE-2021-41073

CVSS3: 7.8

debian

почти 4 года назад

loop_rw_iter in fs/io_uring.c in the Linux kernel 5.10 through 5.14.6 ...

GHSA-5cqf-vv6j-6f4g

CVSS3: 7.8

github

около 3 лет назад

loop_rw_iter in fs/io_uring.c in the Linux kernel through 5.14.6 allows local users to gain privileges by using IORING_OP_PROVIDE_BUFFERS to trigger a free of a kernel buffer, as demonstrated by using /proc/<pid>/maps for exploitation.

EPSS

Процентиль: 75%

0.00896

Низкий

7.8 High

CVSS3

7.2 High

CVSS2

Дефекты

CWE-763