GSD-2022-1002949 net: ethernet: bgmac: Fix refcount leak in bcma_mdio_mii_register
A refcount leak in the bgmac Ethernet driver can lead to resource exhaustion and denial of service, requiring a kernel patch.
- 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-2022-1002949?
GSD-2022-1002949 is a denial of service vulnerability in Kernel, published on 28 Jun 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
net: ethernet: bgmac: Fix refcount leak in bcma_mdio_mii_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 v5.17.15 by commit b51996e35bbfcc7a27d94dfeed5cc2429b2c0df4, it was introduced in version v4.8 by commit 55954f3bfdacc5908515b0c306cea23e77fab740. For more details please see the references link.
Which versions are affected by GSD-2022-1002949?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1002949?
No fix has been published for GSD-2022-1002949 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 GSD-2022-1002949 being exploited?
There is no known exploitation of GSD-2022-1002949 in the wild and no public exploit code.