CVE-2017-15821 Memory corruption in n/a
A missing bound check in the Android MSM kernel allows firmware-controlled values to cause buffer overwrites, potentially enabling code execution or privilege escalation.
- 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-2017-15821?
CVE-2017-15821 is a high-severity memory corruption vulnerability in Google Android, published on 15 Mar 2018. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In Android for MSM, Firefox OS for MSM, QRD Android, with all Android releases from CAF using the Linux kernel, in the function wma_p2p_noa_event_handler(), there is no bound check on a value coming from firmware which can potentially lead to a buffer overwrite.
Weakness: CWE-119
Which versions are affected by CVE-2017-15821?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2017-15821?
No fix has been published for CVE-2017-15821 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-2017-15821 being exploited?
There is no known exploitation of CVE-2017-15821 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as GHSA-7q56-f748-5936.