// For flags

CVE-2022-20572

kernel: missing DM_TARGET_IMMUTABLE feature flag in verity_target in drivers/md/dm-verity-target.c

Severity Score

6.7
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

In verity_target of dm-verity-target.c, there is a possible way to modify read-only files due to a missing permission check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-234475629References: Upstream kernel

En verity_target de dm-verity-target.c, existe una forma posible de modificar archivos de solo lectura debido a una falta de verificación de permisos. Esto podría conducir a una escalada local de privilegios con permisos de ejecución de System necesarios. La interacción del usuario no es necesaria para la explotación. Producto: Android Versiones: kernel de Android ID de Android: A-234475629 Referencias: kernel ascendente

A flaw was found in the Linux kernel, where it is possible to modify read-only files due to a missing permission check. This flaw can lead to local privilege escalation.

*Credits: N/A
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Local
Attack Complexity
Low
Authentication
Multiple
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-10-14 CVE Reserved
  • 2022-12-16 CVE Published
  • 2023-03-08 EPSS Updated
  • 2024-08-03 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-862: Missing Authorization
  • CWE-863: Incorrect Authorization
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Google
Search vendor "Google"
Android
Search vendor "Google" for product "Android"
--
Affected