GSD-2022-1008313 net: mdio: fix undefined behavior in bit shift for __mdiobus_register
Undefined behavior in bit shift within the MDIO bus registration code can lead to potential denial of service in the Linux Kernel.
- 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-2022-1008313?
GSD-2022-1008313 is a vulnerability in Kernel, published on 8 Dec 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
net: mdio: fix undefined behavior in bit shift for __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 v4.14.299 by commit 7006176a3c863e3e353ce1b8a349ef5bb1b9320e, it was introduced in version v2.6.28 by commit 4fd5f812c23c7deee6425f4a318e85c317cd1d6c. For more details please see the references link.
Which versions are affected by GSD-2022-1008313?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1008313?
No fix has been published for GSD-2022-1008313 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1008313 being exploited?
There is no known exploitation of GSD-2022-1008313 in the wild and no public exploit code.