exploitDog

CVE-2021-3640

Опубликовано: 03 мар. 2022

Источник: nvd

CVSS3: 7

CVSS2: 6.9

EPSS Низкий

Описание

A flaw use-after-free in function sco_sock_sendmsg() of the Linux kernel HCI subsystem was found in the way user calls ioct UFFDIO_REGISTER or other way triggers race condition of the call sco_conn_del() together with the call sco_sock_sendmsg() with the expected controllable faulting memory page. A privileged local user could use this flaw to crash the system or escalate their privileges on the system.

Ссылки

https://bugzilla.redhat.com/show_bug.cgi?id=1980646
Issue Tracking
Patch
Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/net/bluetooth/sco.c?h=v5.16&id=99c23da0eed4fd20cae8243f2b51e10e66aa0951
Patch
Vendor Advisory
https://github.com/torvalds/linux/commit/99c23da0eed4fd20cae8243f2b51e10e66aa0951
Patch
Third Party Advisory
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-20220419-0003/
Third Party Advisory
https://ubuntu.com/security/CVE-2021-3640
Patch
Third Party Advisory
https://www.debian.org/security/2022/dsa-5096
Third Party Advisory
https://www.openwall.com/lists/oss-security/2021/07/22/1
Exploit
Mailing List
Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1980646
Issue Tracking
Patch
Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/net/bluetooth/sco.c?h=v5.16&id=99c23da0eed4fd20cae8243f2b51e10e66aa0951
Patch
Vendor Advisory
https://github.com/torvalds/linux/commit/99c23da0eed4fd20cae8243f2b51e10e66aa0951
Patch
Third Party Advisory
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-20220419-0003/
Third Party Advisory
https://ubuntu.com/security/CVE-2021-3640
Patch
Third Party Advisory
https://www.debian.org/security/2022/dsa-5096
Third Party Advisory
https://www.openwall.com/lists/oss-security/2021/07/22/1
Exploit
Mailing List
Third Party Advisory

Уязвимые конфигурации

Конфигурация 1

Одно из

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

Версия до 4.4.293 (исключая)

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

Версия от 4.5 (включая) до 4.9.291 (исключая)

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

Версия от 4.10 (включая) до 4.14.256 (исключая)

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

Версия от 4.15 (включая) до 4.19.218 (исключая)

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

Версия от 4.20 (включая) до 5.4.160 (исключая)

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

Версия от 5.5.0 (включая) до 5.10.80 (исключая)

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

Версия от 5.11 (включая) до 5.14.19 (исключая)

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

Версия от 5.15 (включая) до 5.15.3 (исключая)

Конфигурация 2

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

Конфигурация 3

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

Конфигурация 4

Одно из

cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*

cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*

cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*

cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*

cpe:2.3:o:canonical:ubuntu_linux:21.10:*:*:*:*:*:*:*

Конфигурация 5

Одновременно

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

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

Конфигурация 6

Одновременно

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

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

Конфигурация 7

Одновременно

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

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

Конфигурация 8

Одновременно

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

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

Конфигурация 9

Одновременно

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

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

Конфигурация 10

Одновременно

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

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

Конфигурация 11

Одновременно

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

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

Конфигурация 12

Одновременно

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

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

EPSS

Процентиль: 0%

0.00007

Низкий

7 High

CVSS3

6.9 Medium

CVSS2

Дефекты

CWE-362

CWE-416

Связанные уязвимости

CVE-2021-3640

CVSS3: 7

ubuntu

больше 3 лет назад

A flaw use-after-free in function sco_sock_sendmsg() of the Linux kernel HCI subsystem was found in the way user calls ioct UFFDIO_REGISTER or other way triggers race condition of the call sco_conn_del() together with the call sco_sock_sendmsg() with the expected controllable faulting memory page. A privileged local user could use this flaw to crash the system or escalate their privileges on the system.

CVE-2021-3640

CVSS3: 6.7

redhat

около 4 лет назад

A flaw use-after-free in function sco_sock_sendmsg() of the Linux kernel HCI subsystem was found in the way user calls ioct UFFDIO_REGISTER or other way triggers race condition of the call sco_conn_del() together with the call sco_sock_sendmsg() with the expected controllable faulting memory page. A privileged local user could use this flaw to crash the system or escalate their privileges on the system.

CVE-2021-3640

CVSS3: 7

msrc

больше 3 лет назад

Описание отсутствует

CVE-2021-3640

CVSS3: 7

debian

больше 3 лет назад

A flaw use-after-free in function sco_sock_sendmsg() of the Linux kern ...

GHSA-c8w8-4f3f-5v3j

CVSS3: 7

github

больше 3 лет назад

A flaw use-after-free in function sco_sock_sendmsg() of the Linux kernel HCI subsystem was found in the way user calls ioct UFFDIO_REGISTER or other way triggers race condition of the call sco_conn_del() together with the call sco_sock_sendmsg() with the expected controllable faulting memory page. A privileged local user could use this flaw to crash the system or escalate their privileges on the system.

EPSS

Процентиль: 0%

0.00007

Низкий

7 High

CVSS3

6.9 Medium

CVSS2

Дефекты

CWE-362

CWE-416