ASB-A-187527909
Dashboard / Vulnerabilities / ASB-A-187527909
Summary:
Details: In ion_dma_buf_end_cpu_access and related functions of ion.c, there is a possible way to corrupt memory due to a use after free. 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/2021-11-01, https://android.googlesource.com/kernel/common/+/41a097c0ed6658bf451c5cf993ab0469eb1ce4a5, https://android.googlesource.com/kernel/common/+/6c5bc69f722cb5e2fe47196ee8f1aabe6498f8a7, https://android.googlesource.com/kernel/common/+/212b4d3a42674d2cf366bd7b06fe9faae03477fc
Affected packages
Package
Name: :linux_kernel:
Purl:
Affected ranges
Type: ECOSYSTEM
Events:
Introduced- :0
Fixed -:2021-11-05
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
