GSD-2021-1000485 bus: qcom: Put child node before return
A missing reference count decrement in the Qualcomm bus driver can lead to memory corruption and potential denial of service.
- 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 GSD-2021-1000485?
GSD-2021-1000485 is a memory corruption vulnerability in Kernel, published on 31 May 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
bus: qcom: Put child node before return
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.9.269 by commit a6191e91c10e50bd51db65a00e03d02b6b0cf8c4, it was introduced in version v4.9 by commit 335a127548081322bd2b294d715418648912f20c. For more details please see the references link.
Which versions are affected by GSD-2021-1000485?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1000485?
No fix has been published for GSD-2021-1000485 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 GSD-2021-1000485 being exploited?
There is no known exploitation of GSD-2021-1000485 in the wild and no public exploit code.