CVE-2022-40307

2022-09-0900:00:00

ubuntu.com

4.7 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

1 Low

CVSS2

Access Vector

LOCAL

Access Complexity

HIGH

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:L/AC:H/Au:S/C:N/I:N/A:P

0.0004 Low

EPSS

Percentile

5.3%

JSON

An issue was discovered in the Linux kernel through 5.19.8.
drivers/firmware/efi/capsule-loader.c has a race condition with a resultant
use-after-free.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlinux< 4.15.0-201.212UNKNOWN
ubuntu20.04noarchlinux< 5.4.0-136.153UNKNOWN
ubuntu22.04noarchlinux< 5.15.0-57.63UNKNOWN
ubuntu22.10noarchlinux< 5.19.0-28.29UNKNOWN
ubuntu18.04noarchlinux-aws< 4.15.0-1147.159UNKNOWN
ubuntu20.04noarchlinux-aws< 5.4.0-1093.101UNKNOWN
ubuntu22.04noarchlinux-aws< 5.15.0-1027.31UNKNOWN
ubuntu22.10noarchlinux-aws< 5.19.0-1016.17UNKNOWN
ubuntu20.04noarchlinux-aws-5.15< 5.15.0-1027.31~20.04.1UNKNOWN
ubuntu18.04noarchlinux-aws-5.4< 5.4.0-1093.102~18.04.2UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	linux	< 4.15.0-201.212	UNKNOWN
ubuntu	20.04	noarch	linux	< 5.4.0-136.153	UNKNOWN
ubuntu	22.04	noarch	linux	< 5.15.0-57.63	UNKNOWN
ubuntu	22.10	noarch	linux	< 5.19.0-28.29	UNKNOWN
ubuntu	18.04	noarch	linux-aws	< 4.15.0-1147.159	UNKNOWN
ubuntu	20.04	noarch	linux-aws	< 5.4.0-1093.101	UNKNOWN
ubuntu	22.04	noarch	linux-aws	< 5.15.0-1027.31	UNKNOWN
ubuntu	22.10	noarch	linux-aws	< 5.19.0-1016.17	UNKNOWN
ubuntu	20.04	noarch	linux-aws-5.15	< 5.15.0-1027.31~20.04.1	UNKNOWN
ubuntu	18.04	noarch	linux-aws-5.4	< 5.4.0-1093.102~18.04.2	UNKNOWN