CVE-2023-35685 Use after free in Android

High 7.8 Published Updated

A use-after-free vulnerability in the Android kernel allows local attackers to escalate privileges without user interaction.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2023-35685?

CVE-2023-35685 is a high-severity use after free vulnerability in Google Android, published on 8 Jan 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In DevmemIntMapPages of devicemem_server.c, there is a possible physical page uaf due to a logic error in the code. This could lead to local escalation of privilege in the kernel with no additional execution privileges needed. User interaction is not needed for exploitation.

Weakness: CWE-416

Which versions are affected by CVE-2023-35685?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2023-35685?

No fix has been published for CVE-2023-35685 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2023-35685 being exploited?

There is no known exploitation of CVE-2023-35685 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as GHSA-4rjf-m3j3-4xh4.

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