CVE-2021-0420 Denial of service in MT6580, MT6582E, MT6582H, MT6582T, MT6582W, MT6582 90, MT6589, MT6589TD, MT6592E, MT6592H, MT6592T, MT6592W, MT6592 90, MT6595, MT6731, MT6732, MT6735, MT6737, MT6739, MT6750, MT6750S, MT6752, MT6753, MT6755, MT6755S, MT6757, MT6757C, MT6757CD, MT6757CH, MT6758, MT6761, MT6762, MT6763, MT6765, MT6768, MT6769, MT6771, MT6779, MT6785, MT6795, MT6797, MT6799, MT6833, MT6853, MT6853T, MT6873, MT6875, MT6877, MT6883, MT6885, MT6889, MT6891, MT6893
A missing bounds check in the memory management driver allows local attackers to cause a system crash without privileges or user interaction.
- 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-2021-0420?
CVE-2021-0420 is a medium-severity denial of service vulnerability in Google Android, published on 18 Aug 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In memory management driver, there is a possible system crash due to a missing bounds check. This could lead to local denial of service with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS05403499; Issue ID: ALPS05381065.
Weakness: CWE-770
Which versions are affected by CVE-2021-0420?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2021-0420?
No fix has been published for CVE-2021-0420 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2021-0420 being exploited?
There is no known exploitation of CVE-2021-0420 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as GHSA-cmfx-fc7r-wwpq.