Local privilege escalation via LWIS use-after-free
Published Jun 13, 2024 · Updated Aug 2, 2024
Use-after-free in Google Android's LWIS kernel before the 2024-06-05 patch level allows local users to elevate privileges. The lwis_process_transactions_in_queue function accesses a transaction after its storage has been freed while processing lwis_transaction.c queues. Exploitation requires local code execution on an affected Pixel device, needs no additional execution privileges or user interaction, and can compromise the device at kernel privilege.
Summary
What happened
Use-after-free in Google Android's LWIS kernel before the 2024-06-05 patch level allows local users to elevate privileges. The lwis_process_transactions_in_queue function accesses a transaction after its storage has been freed while processing lwis_transaction.c queues. Exploitation requires local code execution on an affected Pixel device, needs no additional execution privileges or user interaction, and can compromise the device at kernel privilege.
The record
- CVE
- CVE-2024-29787
- Published
- Jun 13, 2024
- Updated
- Aug 2, 2024
- Vendor
- Product
- Android
- Classifications
- CWE-416, T1068
- Attack vector
- local
- Privileges
- unauthenticated
Timeline
How it unfolded
- Jun 13, 2024CVE publishedPublication date reported by the CVE source.
- Aug 2, 2024Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=0 <2024-06-05
- 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.
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Technologies
Your stack
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Your stack
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