Local privilege escalation via kernel use-after-free
Published Jun 15, 2022 · Updated Aug 3, 2024
A use-after-free in the kernel of Google Cloud Android allows local users with System execution privileges to gain elevated privileges. Google has not published the affected kernel function or the operation that frees and later reuses the object; the linked Android issue is private. Exploitation requires local System-level code execution, needs no user interaction, and is limited by the vendor bulletin to supported Pixel devices.
Summary
What happened
A use-after-free in the kernel of Google Cloud Android allows local users with System execution privileges to gain elevated privileges. Google has not published the affected kernel function or the operation that frees and later reuses the object; the linked Android issue is private. Exploitation requires local System-level code execution, needs no user interaction, and is limited by the vendor bulletin to supported Pixel devices.
The record
- CVE
- CVE-2022-20185
- Published
- Jun 15, 2022
- Updated
- Aug 3, 2024
- Vendor
- Google Cloud
- Product
- Android
- Classifications
- CWE-416, T1068
- Attack vector
- local
- Privileges
- authenticated
Timeline
How it unfolded
- Jun 15, 2022CVE publishedPublication date reported by the CVE source.
- Aug 3, 2024Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
Compare your product and version with the public record. A matching version still requires validation against your environment.
Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=Android kernel
What conditions does exploitation require?
What is affected?
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Public exploit references
No public exploit references are available in this record.
Labels summarize the accepted research assessment. They do not indicate a test against your environment.
Technologies
Your stack
See the directory against your own environment.
Your stack
Check the software in your environment
Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.
Book a demo