CVE-2021-35111 Race condition in Snapdragon Connectivity, Snapdragon Mobile

High 7.5 Published Updated

A race condition in Qualcomm Snapdragon firmware allows attackers to potentially execute code or escalate privileges via improper tag ID validation.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2021-35111?

CVE-2021-35111 is a high-severity vulnerability in Qualcomm Ar8035 Firmware, published on 14 Jun 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Improper validation of tag id while RRC sending tag id to MAC can lead to TOCTOU race condition in Snapdragon Connectivity, Snapdragon Mobile

Weakness: CWE-367, CWE-20

Which versions are affected by CVE-2021-35111?

It affects 38 products.

Products include Qualcomm Ar8035 Firmware, Qualcomm Qca6390 Firmware, Qualcomm Qca6391 Firmware, Qualcomm Qca8081 Firmware, Qualcomm Qca8337 Firmware, Qualcomm Sd765 Firmware and 32 more.

How do I fix CVE-2021-35111?

No fix has been published for CVE-2021-35111 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-35111 being exploited?

There is no known exploitation of CVE-2021-35111 in the wild and no public exploit code.

All Qualcomm Ar8035 Firmware vulnerabilities

Sources

Also known as GHSA-f8p5-mp9v-v67f.

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