IM
IronMonkey Threat Research

CVE-2022-40307 MEDIUM

Published: 2022-09-09 | Last Modified: 2024-11-21 | Status: Modified

Description

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.

Additional Descriptions (1)

Se ha detectado un problema en el kernel de Linux versiones hasta 5.19.8. El archivo drivers/firmware/efi/capsule-loader.c presenta una condición de carrera con un uso de memoria previamente liberada resultante

CVSS Metrics

Base Score: 4.7 (MEDIUM)

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

Attack VectorLOCAL
Attack ComplexityHIGH
Privileges RequiredLOW
User InteractionNONE
ScopeUNCHANGED
Confidentiality ImpactNONE
Integrity ImpactNONE
Availability ImpactHIGH

Source: [email protected]

Type: Primary

Exploitability Score: 1.0

Impact Score: 3.6

Weaknesses

Source Type Description
[email protected] Primary
en CWE-362

Affected Products

Vendor Product Version Update Type
linux linux_kernel * <built-in method update of dict object at 0x7fd2dbc0b400> Operating System
debian debian_linux 10.0 <built-in method update of dict object at 0x7fd3412560c0> Operating System
debian debian_linux 10.0 <built-in method update of dict object at 0x7fd319e50240> Operating System
debian debian_linux 11.0 <built-in method update of dict object at 0x7fd384e73840> Operating System

Affected Configurations

Operator: OR

Vulnerable CPE
Yes cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
Yes cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
Yes cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
Yes cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*

References