IM
IronMonkey Threat Research

CVE-2022-41222 HIGH

Published: 2022-09-21 | Last Modified: 2025-05-28 | Status: Modified

Description

mm/mremap.c in the Linux kernel before 5.13.3 has a use-after-free via a stale TLB because an rmap lock is not held during a PUD move.

Additional Descriptions (1)

El archivo mm/mremap.c en el kernel de Linux versiones anteriores a 5.13.3, presenta un uso de memoria previamente liberada por medio de un TLB obsoleto porque un bloqueo rmap no es mantenido durante un movimiento PUD

CVSS Metrics

Base Score: 7.0 (HIGH)

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

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

Source: [email protected]

Type: Primary

Exploitability Score: 1.0

Impact Score: 5.9

Weaknesses

Source Type Description
[email protected] Primary
en CWE-416
134c704f-9b21-4f2e-91b3-4a467353bcc0 Secondary
en CWE-416

Affected Products

Vendor Product Version Update Type
linux linux_kernel * <built-in method update of dict object at 0x7fd384e83e00> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd36b8fdc00> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd384e80580> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd36b85f4c0> Operating System
debian debian_linux 10.0 <built-in method update of dict object at 0x7fd384e82ac0> Operating System
netapp hci_baseboard_management_controller h300s <built-in method update of dict object at 0x7fd384e82700> Application
netapp hci_baseboard_management_controller h410c <built-in method update of dict object at 0x7fd37018dd00> Application
netapp hci_baseboard_management_controller h410s <built-in method update of dict object at 0x7fd39c4dc7c0> Application
netapp hci_baseboard_management_controller h500s <built-in method update of dict object at 0x7fd39c4dd240> Application
netapp hci_baseboard_management_controller h700s <built-in method update of dict object at 0x7fd384e801c0> Application
canonical ubuntu_linux 18.04 <built-in method update of dict object at 0x7fd384a147c0> Operating System
canonical ubuntu_linux 20.04 <built-in method update of dict object at 0x7fd36b85de40> Operating System
canonical ubuntu_linux 22.04 <built-in method update of dict object at 0x7fd385557100> Operating System

Affected Configurations

Operator: OR

Vulnerable CPE
Yes cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Yes cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Yes cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
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:a:netapp:hci_baseboard_management_controller:h300s:*:*:*:*:*:*:*
Yes cpe:2.3:a:netapp:hci_baseboard_management_controller:h410c:*:*:*:*:*:*:*
Yes cpe:2.3:a:netapp:hci_baseboard_management_controller:h410s:*:*:*:*:*:*:*
Yes cpe:2.3:a:netapp:hci_baseboard_management_controller:h500s:*:*:*:*:*:*:*
Yes cpe:2.3:a:netapp:hci_baseboard_management_controller:h700s:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
Yes cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
Yes cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*
Yes cpe:2.3:o:canonical:ubuntu_linux:22.04:*:*:*:lts:*:*:*

References