CVE-2022-20375 Denial of service in Android

High 7.5 Published Updated

A missing bounds check in the Android kernel LTE RRC decoder allows remote attackers to cause a denial of service without user interaction.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2022-20375?

CVE-2022-20375 is a high-severity denial of service vulnerability in Google Android, published on 11 Aug 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In LteRrcNrProAsnDecode of LteRrcNr_Codec.c, there is a possible out of bounds read due to a missing bounds check. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-180956894References: N/A

Weakness: CWE-125

Which versions are affected by CVE-2022-20375?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2022-20375?

Apply the vendor's patch.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2022-20375 being exploited?

There is no known exploitation of CVE-2022-20375 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as A-180956894, GHSA-gc9v-66vr-w74v, PUB-A-180956894.

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