CVE-2022-48511 Use after free in EMUI

Critical 9.8 Published 6 Jul 2023 Updated 19 Nov 2024

A use-after-free flaw in the audio driver can cause abnormal audio behavior, affecting Huawei EMUI and HarmonyOS users.

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-2022-48511?

CVE-2022-48511 is a critical use after free vulnerability in Huawei Emui, published on 6 Jul 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Use After Free (UAF) vulnerability in the audio PCM driver module under special conditions. Successful exploitation of this vulnerability may cause audio features to perform abnormally.

Weakness: CWE-416, CWE-843

Which versions are affected by CVE-2022-48511?

It affects 2 products.

Products include Huawei Emui, Huawei Harmonyos.

How do I fix CVE-2022-48511?

No fix has been published for CVE-2022-48511 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-2022-48511 being exploited?

There is no known exploitation of CVE-2022-48511 in the wild and no public exploit code.

All Huawei Emui vulnerabilities

Sources

Also known as GHSA-vwx3-wp3j-h8gh.