ASB-A-213339151
Dashboard / Vulnerabilities / ASB-A-213339151
Summary:
Details: In change_pte_range of mprotect.c , there is a possible way to make a shared mmap writable due to a permissions bypass. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
References: https://source.android.com/security/bulletin/2022-04-01, https://android.googlesource.com/kernel/common/+/ac4488815518c, https://android.googlesource.com/kernel/common/+/b44e46bb047d1, https://android.googlesource.com/kernel/common/+/67d075d23a8bc, https://android.googlesource.com/kernel/common/+/6f9aba5a20b84
Affected packages
Package
Name: :linux_kernel:
Purl:
Affected ranges
Type: ECOSYSTEM
Events:
Introduced- :0
Fixed -:2022-04-05
Affected versions
Kernel
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
