CVE-2019-20908

Опубликовано: 15 июл. 2020

Источник: nvd

CVSS3: 6.7

CVSS2: 6.9

EPSS Низкий

Описание

An issue was discovered in drivers/firmware/efi/efi.c in the Linux kernel before 5.4. Incorrect access permissions for the efivar_ssdt ACPI variable could be used by attackers to bypass lockdown or secure boot restrictions, aka CID-1957a85b0032.

Ссылки

http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html
Mailing List
Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/07/20/6
Mailing List
Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/07/29/3
Mailing List
Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/07/30/2
Mailing List
Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/07/30/3
Mailing List
Third Party Advisory
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4
Release Notes
Vendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1957a85b0032a81e6482ca4aab883643b8dae06e
Patch
Vendor Advisory
https://git.zx2c4.com/american-unsigned-language/tree/american-unsigned-language.sh
Patch
Third Party Advisory
https://mailarchives.bentasker.co.uk/Mirrors/OSSSec/2020/06-Jun/msg00035.html
Mailing List
Third Party Advisory
https://usn.ubuntu.com/4426-1/
Third Party Advisory
https://usn.ubuntu.com/4427-1/
Third Party Advisory
https://usn.ubuntu.com/4439-1/
Third Party Advisory
https://usn.ubuntu.com/4440-1/
Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html
Mailing List
Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/07/20/6
Mailing List
Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/07/29/3
Mailing List
Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/07/30/2
Mailing List
Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/07/30/3
Mailing List
Third Party Advisory
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4
Release Notes
Vendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1957a85b0032a81e6482ca4aab883643b8dae06e
Patch
Vendor Advisory

Уязвимые конфигурации

Конфигурация 1

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

Версия до 5.4 (исключая)

Конфигурация 2

cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*

Конфигурация 3

Одно из

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

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

EPSS

Процентиль: 4%

0.00023

Низкий

6.7 Medium

CVSS3

6.9 Medium

CVSS2

Дефекты

NVD-CWE-noinfo

Связанные уязвимости

CVE-2019-20908

CVSS3: 6.7

ubuntu

почти 5 лет назад

CVE-2019-20908

CVSS3: 6.4

redhat

почти 6 лет назад

CVE-2019-20908

CVSS3: 6.7

debian

почти 5 лет назад

An issue was discovered in drivers/firmware/efi/efi.c in the Linux ker ...

GHSA-8v2w-6qhm-pxp7

github

около 3 лет назад

ELSA-2020-5791

oracle-oval

почти 5 лет назад

ELSA-2020-5791: Unbreakable Enterprise kernel security update (IMPORTANT)

EPSS

Процентиль: 4%

0.00023

Низкий

6.7 Medium

CVSS3

6.9 Medium

CVSS2

Дефекты

NVD-CWE-noinfo