CVE-2024-29787

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.

CVSS severity7.8
High
EPSS probability0.08%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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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
Google
Product
Android
Classifications
CWE-416, T1068
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jun 13, 2024CVE publishedPublication date reported by the CVE source.
  2. 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.

  1. Affected versionversion=0 <2024-06-05
  2. Affected versionversion=Android kernel

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Google · Androidversion=0 <2024-06-05; version=Android kernel

Published CVSS scores

7.4CISA-ADPCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
7.8NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-416Use After Free
T1068Exploitation for Privilege Escalation

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

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Your stack

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