GSD-2021-1001813 net: mdiobus: Fix memory leak in __mdiobus_register
A memory leak in the Linux kernel's MDIO bus registration can lead to resource exhaustion and denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not stated
- Attackable
- Not stated
- Victim action needed
- Not stated
- Fix
- None listed
What is GSD-2021-1001813?
GSD-2021-1001813 is a memory corruption vulnerability in Kernel, published on 28 Oct 2021.
Official description
net: mdiobus: Fix memory leak in __mdiobus_register
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 v5.4.156 by commit b0feaa8376f52357bf2fd020d0c471713a859728. For more details please see the references link.
Which versions are affected by GSD-2021-1001813?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1001813?
No fix has been published for GSD-2021-1001813 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-2021-1001813 being exploited?
There is no known exploitation of GSD-2021-1001813 in the wild and no public exploit code.