CVE-2022-25821 Memory corruption in Samsung Mobile Devices

Low 3.3 Published 8 Mar 2022 Updated 3 Aug 2024

An out-of-bounds read in Samsung Shannon baseband firmware allows attackers to read sensitive memory data.

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-2022-25821?

CVE-2022-25821 is a low-severity memory corruption vulnerability in Google Android, published on 8 Mar 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Improper use of SMS buffer pointer in Shannon baseband prior to SMR Mar-2022 Release 1 allows OOB read.

Weakness: CWE-125

Which versions are affected by CVE-2022-25821?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2022-25821?

No fix has been published for CVE-2022-25821 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2022-25821 being exploited?

There is no known exploitation of CVE-2022-25821 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as GHSA-q45q-q63g-7mxg.