CVE-2020-36472 Data races in max7301

Medium 5.9 Published Updated

The max7301 Rust crate incorrectly implements Sync, potentially allowing unsafe concurrent access to hardware expanders.

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

What is CVE-2020-36472?

CVE-2020-36472 is a medium-severity vulnerability in n/a, published on 8 Aug 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An issue was discovered in the max7301 crate before 0.2.0 for Rust. The ImmediateIO and TransactionalIO types implement Sync for all Expander<EI> types that they contain.

Which versions are affected by CVE-2020-36472?

3 open source packages ship an affected version, including max7301. It affects 1 product.

PackageAffectedFixed in
max7301 crates.ioAll versions0.2.0
max7301 crates.ioAll versions0.2.0
max7301 crates.ioFrom 0.0.0-00.2.0

Products include Max7301 Project Max7301.

How do I fix CVE-2020-36472?

Upgrade max7301 to 0.2.0 or later.

Is CVE-2020-36472 being exploited?

There is no known exploitation of CVE-2020-36472 in the wild and no public exploit code.

Sources

Also known as GHSA-rmff-f8w9-c9rm, RUSTSEC-2020-0152.

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