CVE-2021-22492 Memory corruption in n/a
A buffer overflow in the Bluetooth UART driver allows attackers to execute arbitrary code or escalate privileges on affected Samsung mobile devices.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-22492?
CVE-2021-22492 is a high-severity memory corruption vulnerability in Google Android, published on 5 Jan 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An issue was discovered on Samsung mobile devices with O(8.x), P(9.0), and Q(10.0) (Broadcom Bluetooth chipsets) software. The Bluetooth UART driver has a buffer overflow. The Samsung ID is SVE-2020-18731 (January 2021).
Weakness: CWE-120
Which versions are affected by CVE-2021-22492?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2021-22492?
No fix has been published for CVE-2021-22492 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-2021-22492 being exploited?
There is no known exploitation of CVE-2021-22492 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as GHSA-g9j8-5mrc-ff94.