Description
In OSMMapPMRGeneric of pmr_os.c, there is a possible way to leverage a system call to system call to maliciously expand the VMA out of bounds due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
CVSS breakdown
CVSS 3.1
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected products
- Google / AndroidAndroid kernel – Android kernel